Monolithic Linear LA72912V Modulator Demodulator LA7291

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Monolithic Linear LA72912V Modulator Demodulator LA7291

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Ordering number ENA1409
Monolithic Linear
LA72912V
Modulator Demodulator
LA72912V modulation demodulation single-chip adjustment free modulation/demodulation circuit significantly reduces number peripheral circuits required contribute lower production costs.
Functions
modulation demodulation Video signal modulation demodulation Video signal emphasis de-emphasis function Drop-Out detecting function Video signal mute function Second-Call
Specifications
Maximum Ratings 25°C
Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol Topr Tstg 70°C Conditions Ratings +150 Unit
Mounted 114.3mm 76.1mm 1.6mm, glass epoxy board.
Recommended Operating Conditions 25°C
Parameter Recommended supply voltage Allowable operating voltage range Symbol +70°C Conditions Ratings Unit
SANYO Semiconductor Co.,Ltd. products described contained herein are, with regard "standard application", intended general electronics equipment (home appliances, equipment, communication device, office equipment, industrial equipment etc.). products mentioned herein shall intended "special application" (medical equipment whose purpose sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level reliability directly threaten human lives case failure malfunction product cause harm human bodies, shall they grant guarantee thereof. should intend products applications outside standard applications customer considering such and/or outside scope intended standard applications, please consult with prior intended use. there consultation inquiry before intended use, customer shall solely responsible use. Specifications SANYO Semiconductor Co.,Ltd. products described contained herein stipulate performance, characteristics, functions described products independent state, guarantees performance, characteristics, functions described products mounted customer' products equipment. verify symptoms states that cannot evaluated independent device, customer should always evaluate test devices mounted customer' products equipment.
21809 20090128-S00005 No.A1409-1/12
LA72912V
Electrical Characteristics 25°C, CHARACTERISTICS 0.4V, 2.0V, 0.4V
Parameter Control terminal (Pin6,9) level Control terminal (Pin6,9)High level Input5 level Input5 High level Input18 level Input18 High level Output18 terminal High level Output18 terminal level InpuT20 level InpuT20 High level 5pin input dynamic range 16pin input dynamic range OPL13 OPL18 IN20L IN20H ACIN5 ACIN16 T24A Symbol CNT6L CNT17L CNT6H CNT17H IN5L IN5H IN18L IN18H OPH18 Conditions level control terminal mode. 0.4V(DEMOD mode),T17 0.4V (Standby mode) High level input terminal mode 2.0V (MOD mode), 2.0V (Normal mode) level input terminal mode 2.0V, 2.0V, 0.4V High level input terminal mode 2.0V, 2.0V, 0.4V level input terminal mode 0.4V, 2.0V, 2.0V High level input terminal mode 0.4V, 2.0V, 2.0V DEMOD mode: FM-Signal input 0.4V, 2.0V, Pull-UP:15K T18: DEMOD mode: No-signal Measure sink level output terminal. 0.4V, 2.0V, Pull-UP:15K Voltage terminal 0.4V, 2.0V Voltage terminal 0.4V, 2.0V Input amplitude level signal Freq: 11.5MHz 13.5MHz Maximum input level T24A Video signal Vp-p 1000 mVp-p 0.25 Ratings Unit
Video Modulation Block (MOD) T6=2.0V,T17=2.0V,T18=0.4V
Parameter Current dissipation modulator output level Mute output level Carrier frequency output Second harmonic distortion Deviation modulator linearity (11.5MHz 13.5MHz) LMOD T24A T24A Symbol ICCR VFM1 VFM2 THD2 Conditions measure currents into pins (MOD mode) Measure output level signal input) load impedance between T3-GND. Measure output level with call Measure output frequency with signal input Measure second harmonics distortion with above condition With T24A 100% White 1Vp-p signal, Measure deviation f2.85, f3.35 f3.85 output frequency when 2.85V, 3.35V 3.85V applied T24A LMOD Emphasis gain Main linear emphasis characteristics(1) Main linear emphasis characteristics(2) White clipping level Dark clipping level stop beginning delay time characteristic stop time characteristic2A) Minimum pulse width 0.01µF, Minimum pulse width which TC1B normally output 0.001µF, Stop time carrier T24A T24A GME2 T24A GEMP GME1 T24A T24A f3.35 (f3.85 f2.85) f3.85 f2.85 -7.5 -6.0 -4.5 10.9 11.5 12.1 mVp-p Ratings 22.0 27.0 32.0 Unit Vp-p
With 300mVp-p 10kHz sine wave, Measure ratio levels T24A With 300mVp-p 500kHz sine wave, Measure ratio levels T24A With 300mVp-p 2MHz sine wave, Measure ratio levels T24A With 1.5Vp-p 100% white video signal. Measure white clipping level With 1.5Vp-p 100% white video signal. Measure dark clipping level T20. 0.01µF, Time from fall signal doing carrier STOP
No.A1409-2/12
LA72912V
Video De-modulation Block (DEMOD) T6=0.4V,T17=2.0V
Parameter Current dissipation Video output level Video output level Symbol ICCP VOUT VOUTB Conditions Measure currents into (DEMOD mode) Demodulation level, when signal 2.2MHz deviation. Load impedance T3-GND. Demodulation level, when signal 2.0MHz deviation. Load impedance T3-GND. this case only, make 4.5V 5.5V.) 11.5MHz, 300mVp-p. Measure voltage (V20). (AGC-Fix). input level when amplitude decrease gradually, becomes "Low" Shift time from 300mVp-p 0mVp-p "Low". 11.5MHz, 300mVp-p, Measure Voltage (V20). (AGC-Fix). inputs level when amplitude increase gradually, becomes "High" Confirmation output Video signal from Measurement level. Mute level measurement 11.0MHz, 100mVp-p, 200mVp-p 400mVp-p. Each voltage measurement 12.5MHz, 100mVp-p, 200mVp-p 400mVp-p. Each voltage measurement 14MHz, 100mVp-p, 200mVp-p 400mVp-p Each voltage measurement Calculate demodulation linearity LDEM1 {[VDEM21 (VDEM11 VDEM31) (VDEM31 LDEM2 {[VDEM22 (VDEM12 VDEM32) (VDEM32 LDEM3 {[VDEM23 (VDEM13 VDEM33) (VDEM33 demodulation Sensitivity1,2,3 SDEM1 SDEM2 SDEM3 Calculate recovery Sensitivity with consider output level conversion ratio. SDEM1 (VDEM31-VDEM11)/3.0 SDEM2 (VDEM32-VDEM12)/3.0 SDEM3 (VDEM33-VDEM13)/3.0 Main linear de-emphasis amplitude Main linear de-emphasis Characteristics(1) Main linear de-emphasis Characteristics(2) GMED2 GMED1 GMED 200mVp-p signal 10kHz, Center Carrier 12.5MHz, 2.0MHz) Signal level 200mVp-p signal 500kHz, Center Carrier 12.5MHz, 2.0MHz). Signal level versus GMRD (Ratio GMED). 200mVp-p signal 2MHz, Center Carrier 9.25MHz, 2.0MHz). Signal level versus GMRD (Ratio GMED) -3.5 -1.5 +0.5 mVp-p 0.28 0.33 0.38 V/MHz Shift time from 0mVp-p 00mVp-p "High" Measurement level. 2.0MHz. Input amplitude level signal. (T5A: 11.5MHz 13.5MHz) µsec Ratings 26.0 2.09 32.0 38.0 2.31 Unit Vp-p Vp-p
stop detection level (DOC characteristic
DOC1
mVp-p
(Drop Delay Down) return judgment level
DOC2
mVp-p
Video level when returning (Drop Delay Rise) Return operation delay time Regulator Range input Dynamic range Output voltage mute demodulation voltage (11.0M) demodulation voltage (12.5M) demodulation voltage (14.0M) demodulation linearity1,2,3
DOC2B
VREG ACIN5 VDEM11 VDEM12 VDEM13 VDEM21 VDEM22 VDEM23 VDEM31 VDEM32 VDEM33 LDEM1 LDEM2 LDEM3
1000
mVp-p
-6.5
-4.5
-2.5
No.A1409-3/12
LA72912V
Block T17=0.4V
Parameter Current dissipation standby Current dissipation standby MOD-AGC-OFF Current dissipation standby DEMOD-AGC-OFF Standby release time(1) stoprelease) Standby release time(2) (Video signal stop release) Transmitting time "transmission" Transmitting time "Receive" transmission setup time minimum detect level start time demodulation duty ratio VASK OASK DASK WASK T10A T16A T16A T16A TASK2 TASK1 SASK2 SASK1 ICCSc T10A T16A 2.0VDC 0V2V (Standby release) Time until carrier output 0.4V, 2.0MHz 100% white video signal signal. (Standby release) Time until white 100% signal output T10A 1MHz,0/2V Pulse 20KHz, 0/2VPulse. Measure signal appear time 1MHz, 300mVp-p-SIN wave Measure time appear detected signal T10A 1MHz, 0-2V-pulse 20KHz,0-2V-pulse Measure input interval time when T10A input Measure minimum level normally condition Measure time working from Power-ON output signal (0-2Vp-p) Measure Duty difference with DASK (pulse width 50µs) 100% Vp-p 12.0 12.0 standby mode, measures include current pin2,9. 0.4V, 16.8 21.0 25.2 ICCSb Symbol ICCS Conditions standby mode, measures include current pin2,9. 0.4V, T20:open standby mode, measures include current pin2,9. 0.4V, T20:open Ratings 10.8 12.8 13.0 16.0 15.5 19.2 Unit
No.A1409-4/12
LA72912V
Package Dimensions
unit (typ) 3175C
0.65 (0.33) 0.22
0.15
SANYO SSOP24(275mil)
Assignment
(1.3)
1.5max
Emphasis filter VCC5V FM/Video Output Regulator FM/VD input MOD/DEMOD Control TC1(MOD)/FMAGC monitor control TC2(DEMOD)/FMAGC monitor Output ASK-VCC5V DATA Output
Video input /V-2V select A-GND De-emphasis filter filter B-GND /2nd-Call input Stand-by control input /AGC
filter DOC-OUT De-emphasis output
view
LA72912V
filter Output
No.A1409-5/12
LA72912V
Block Diagram Application Circuit Exanple1 Modulation (Outside camera)
Emphasis Monitor
Video-IN A-GND
ASK-RX Outside camera ASK-AGC ASK-RX having) ASK-RX 2nd-call Filter Filter Standby (OFF 4.5V) FM-OFF) FM-ON) D-GND
Main De-Emph Clamp FM-DEMOD/LPF -6dB
FM-AGC-DET D-LIM
Doc-DET (Doc-LO)
Standby Control
ASK-AGC
ASK-AGC/ASK-RX /Comparator
FM-AGC(ON/OFF) Main Emphasis 12dB-AMP Video-Mute MOD/DEMOD Control FM-Stop,Polarity E(VD) A(SW) A-VCC Amp(ON/OFF) ASK-VCC ASK-TX /Modulator
FM-MOD
FM-stop
VCC(5V)
VCC(5V) FM-OUT VD-IN DEMOD
ASK-DATA CAR-OFF) ASK-CAR ASK-TX Open collector Output Push-Pull Output
Application Circuit Exanple2 Demodulation (Inside monitor)
FM-AGC (OFF 4.5V) ASK-RX ASK-AGC ASK-RX having) ASK-RX DOC-OUT Filter Filter Standby (OFF 4.5V) FM-OFF) FM-ON) D-GND
A-GND
Main De-Emph Clamp FM-DEMOD/LPF -6dB
FM-AGC-DET D-LIM
Doc-DET (Doc-LO)
Standby Control
ASK-AGC
ASK-AGC/ASK-RX /Comparator
FM-AGC(ON/OFF) Main Emphasis 12dB-AMP Video-Mute MOD/DEMOD Control FM-Stop,Polarity E(VD) A(SW) A-VCC Amp(ON/OFF) ASK-VCC ASK-TX /Modulator
FM-MOD
FM-stop
VCC(5V) Video-OUT
ASK-DATA VCC(5V) DEMOD CAR-OFF) FM-OUT (FM-OUT) FM-IN Control ASK-CAR ASK-TX (ON/OFF) Open collector Output Push-Pull Output
No.A1409-6/12
LA72912V
Function
name Emphasis filter VCC5V FM/Video Output Regulator FM/VD input mode(Outside camera) Emphasis filter connection modulation. Output (RO=200:1.8Vp-p) modulate block bock supply reference voltage. Input. (Hi: over Low: under 0.4V) DET: High) MOD/DEMOD Control TC1(MOD)/ FMAGC monitor control TC2(DEMOD)/ FMAGC monitor Output ASK-VCC5V DATA Output Output filter filter /AGC input Standby control carrier Input. (Recommend below 3Vp-p) Data Input. (Hi: more than below 0.4V) modulated signal Output Demodulated Output Detector filter filter ASK. (When operate voltage stop when over 4.5V.) Demodulate Input blocks standby control. block operate: over block standby: under 0.4V DOC-OUT /2nd-Call input B-GND filter 2ND-Call input, 2ND-Call: (High: over Low: under 0.4V) Circuit Emphasis monitor output output (When DO-DET, output Low) control filter (AGC-ON:0 AGC-OFF:4.5V external voltage.) De-emphasis filter A-GND De-emphasis output /V-2V select connect(Hi-Z) Circuit V-diff control (ON: over OFF: under 0.4V) De-emphasis filter connection pin. DE-emphasis output mode; diff. Count select through diff Video input Video signal input. (from outside camera: 1Vp-p). Video signal input. (from de-emphasis block: 0.5Vp-p). mode: Maximum video input level 1.5Vp-p. don't need, this open. mode: Don't connect capacitor. DEMOD mode: Open collector output. 3.3V internal bias. (34k/66k) Push-pull output Open collector output carrier detect 2.1V internal bias. (50k) capacitor FMAGC monitor output second inside monitor addition over voltage. capacitor under 0.4V voltage. FMAGC monitor control GND: Monitor VCC: Monitor Outside camera Inside monitor setting. second inside monitor addition DEMOD mode(Inside Monitor) connect(Hi-Z) demodulation. Video Output (RO=1k: 2Vp-p) demodulate block bock supply reference voltage. Input. (Recommend Level: 620mVp-p) DEMOD mode: 3.3V internal bias. (34k/66k) Push-pull output Note need, this open.
No.A1409-7/12
LA72912V
Description
Name Emphasis filter Description Main Emphasis filter pin. Before Modulation, make emphasis characteristic video signal. Emphasis time constant must matching de-emphasis time constant. don't need emphasis, this open.)
2.7k
Equivalent circuit
VCC5V FM/Video
pin. Supply voltage Please connect de-coupling capacitor. Push-Pull output pin. mode: carrier output. (1.8Vp-p: Rout=200) DEMOD mode: Video signal output. (2.0Vp-p: Rout=1k)
DEMOD
Regulator filter
Internal regulator filter pin. Please connect 0.1µF (C1).
FM/VD input
DEMOD mode: signal input. Internal bias 3.3V. Please capacitor (C1)
20µA
30µA
coupling. mode: signal input. Please input signal directory. Please consider input impedance.
MOD/DEMOD Control
mode DEMOD mode setting pin. mode: Please over voltage. 5V). DEMOD mode: Please under 0.4V voltage. 0.4V).
TC1(MOD)/ FMAGC monitor Control
mode: filter pin. Please connect DEMOD mode: FM-AGC monitor on/off control. GND: AGC-monitor VCC: AGC-monitor
60µA 20µA
80µA
30µA
Continued next page.
No.A1409-8/12
LA72912V
Continued from preceding page.
Name TC2(DEMOD)/ FMAGC monitor Output
Description mode: filter pin. Please connect DEMOD mode: FM-AGC-monitor output
Equivalent circuit
60µA
30µA
ASK-VCC5V
block VCC. Please supply with capacitor de-coupling. carrier input Pin. Please connect with capacitor, 2.1V internal biased.
carrier
3.0Vp-p
2.1V
DATA
data input pin. level lower than 0.4V level more than
data
30µA
Output
output pin. Push-pull type output.
Output
detect output. Open corrector type output.
filter
detect filter. Connect capacitor reject component.
60µA
Continued next page.
No.A1409-9/12
LA72912V
Continued from preceding page.
Name filter /AGC filter ASK. Please connect pull-up resistance this pin, more than 4.5V voltage this pin.
100k
Description
Equivalent circuit
AGC-DET
60µA
input
input pin. Please connect with capacitor, 3.3V internal biased.
signal
80µA
Standby control
Standby control pin. block standby: under 0.4V voltage. 0.4V) block operate: over voltage.
30µA
DOC-OUT /2nd-Call input
DEMOD mode: Drop-out output pin. This open collector output, please connect pull resistor. mode: 2ND-CALL input. 2ND-CALL input: under 0.4V voltage. 0.4V) Normal: over voltage.
30µA
B-GND filter
Circuit GND. mode: Emphasis monitor pin. DEMOD mode: filter pin. need Off), Please voltage over 4.5V voltage. (4.5
100k AGC-DET
60µA
De-emphasis filter
DEMOD mode: De-emphasis filter pin. De-emphasis time constant must matching emphasis time constant. don't need emphasis, this open.)
300µA
4.7k 2.5k
A-GND
Circuit GND.
Continued next page.
No.A1409-10/12
LA72912V
Continued from preceding page.
Name De-emphasis output /V-2V select Description DEMOD mode: Video signal output after De-emphasis. Output level 0.5Vp-p. Connect capacitor clamp input (pin 16). mode: control pin. over voltage.
Equivalent circuit
DEMOD
Video input
mode: Video signal input (from camera). Input level 1Vp-p. DEMOD mode: Video signal input (from de-emphasis). Input level 0.5Vp-p.
Video input 1Vp-p DEMOD 0.5Vp-p
Clamp
200µA
No.A1409-11/12
LA72912V
Test Circuit
2.2k 10µF SW24 T24A
47pF 10µF
Emphasis filter
Video input De-emphasis output /V-2V select A-GND De-emphasis filter filter B-GND DOC-OUT /2nd-Call input Stand-by control input filter /AGC filter Output
Current measure
VCC5V FM/Video Output Regulator FM/VD input
27pF 4.7k SW20 Pull
Mode select switch
0.01µF 0.001µF
MOD/DEMOD Control TC1(MOD)/FMAGC monitor control TC2(DEMOD)/FMAGC monitor Output ASK-VCC5V DATA Output
Total current measure Power supply VCC=5V T10A 0.1µF Current measure
T16A 0.1µF Pull
SANYO Semiconductor Co.,Ltd. assumes responsibility equipment failures that result from using products values that exceed, even momentarily, rated values (such maximum ratings, operating condition ranges, other parameters) listed products specifications SANYO Semiconductor Co.,Ltd. products described contained herein. SANYO Semiconductor Co.,Ltd. strives supply high-quality high-reliability products, however, semiconductor products fail malfunction with some probability. possible that these probabilistic failures malfunction could give rise accidents events that could endanger human lives, trouble that could give rise smoke fire, accidents that could cause damage other property. When designing equipment, adopt safety measures that these kinds accidents events cannot occur. Such measures include limited protective circuits error prevention circuits safe design, redundant design, structural design. event that SANYO Semiconductor Co.,Ltd. products described contained herein controlled under applicable local export control laws regulations, such products require export license from authorities concerned accordance with above law. part this publication reproduced transmitted form means, electronic mechanical, including photocopying recording, information storage retrieval system, otherwise, without prior written consent SANYO Semiconductor Co.,Ltd. information described contained herein subject change without notice product/technology improvement, etc. When designing equipment, refer "Delivery Specification" SANYO Semiconductor Co.,Ltd. product that intend use. Information (including circuit diagrams circuit parameters) herein example only; guaranteed volume production. Upon using technical information products described herein, neither warranty license shall granted with regard intellectual property rights other rights SANYO Semiconductor Co.,Ltd. third party. SANYO Semiconductor Co.,Ltd. shall liable claim suits with regard third party's intellctual property rights which resulted from technical information products mentioned above.
This catalog provides information February, 2009. Specifications information herein subject change without notice. No.A1409-12/12

Monolithic Linear LA72912V Modulator Demodulator LA7291

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