LV2283VB Bi-CMOS Transmitter with Stereo Modulation LV2

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LV2283VB Bi-CMOS Transmitter with Stereo Modulation LV2

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Ordering number ENA0974A
LV2283VB
Bi-CMOS
Transmitter with Stereo Modulation
LV2283VB Transmitter block makes stereo modulated, composite signal from sound inputs. includes modulation function. synthesizer determines output frequency with control.
Application
Portable Memory Player Portable Player Wireless Headphone
Features
(Audio) (RF) (PLL) (Bus control) (Regulator) Pilot tone system stereo modulation, audio attenuation VCO, programmable gain driver amplifier 110MHz 100kHz step control 2.8V regulator
Specifications
Absolute Maximum Ratings 25°C
Parameter Maximum supply voltage Maximum input voltage Minimum input voltage Allowable power dissipation Operating temperature Storage temperature Symbol Topr Tstg 85°C, Mounted specified board* Conditions Ratings VCC+0.3 -0.3 +150 Unit
Specified board glass epoxy circuit board.
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.
D2607 20071211-S00002 D1207 No.A0974-1/10
LV2283VB
Recommended Operating Conditions 25°C
Parameter Recommended supply voltage Operating supply voltage range Symbol Conditions Ratings Unit
Characteristics 25°C, 3.3V, bits Default state, input 1kHz, 450mVrms, unless otherwise noted
Parameter Circuit current Standby current Symbol ISTB Conditions input signal, current input signal, "STB" "1", current Ratings Unit
Audio Blocks
Parameter Maximum audio input Audio input frequency Channel separation Channel balance Total harmonic distortion Pilot tone output level Composite output level Audio mute Audio attenuation adjustment step Crystal oscillator frequency Symbol PMOD MPXOUT MUTE ATTSTEP FXOSC "MUTE" Conditions input input composite output, composite output composite output bits "ST" ="1" 0.85 Ratings mVrms mVp-p mVrms Unit
"ATT2 ATT0" "000" "111", totally steps.
Blocks
Parameter output output adjustment step frequency Symbol RFOUT RFSTEP Conditions 98MHz, "RF2 RF0" "011", output "RF2 RF0" "000" "111", totally steps. relative output. 100kHz step Ratings dBµV Unit
Blocks
Parameter input "High" voltage input "Low" voltage 19kHz output voltage input frequency Crystal oscillator frequency External clock frequency Symbol V19K FPLL FXOSC FEXT 19kHz output. "19K" "1". Load impedance 47k. Step 100kHz, table External clock injection instead 16MHz crystal oscillation. When standby mode, external clock should stop. output current voltage 1.4V Conditions 0.8VCC -0.3 0.6VCC 0.8VCC Ratings VCC+0.3 0.2VCC Vp-p Unit
No.A0974-2/10
LV2283VB
Package Dimensions
unit (typ) 3287
(0.5) 0.22
0.15
SANYO SSOP24(225mil)
Assignment
(1.3)
1.5max
L-INPUT L-CAP MPX+B COMPOSITE RF+B
R-INPUT R-CAP COUNTER RESET XTAL PLL+B
No.A0974-3/10
LV2283VB
Block Diagram
COUNTER RESET
R-INPUT
R-CAP
PLL+B
XTAL
Preemphasis Switch 38kHz 38kHz
X'tal
(19K)
Shift Register
(R6-R0)
X'tal
(RF2-RF0)
(P10-P0)
reset reset
100k (MUTE,ST) 19kHz (ATT2-ATT0) Phase (PILOT) P-Counter R-Counter
Switch Preemphasis
Attenuator 2.8V Regulator
Charge Pump
L-INPUT
L-CAP
MPX+B
COMPOSITE
RF+B
EXTERNAL CLOCK INPUTT 100nF 390nH 100nF
No.A0974-4/10
Testing Circuit
R-INPUT 76KHz
COUNTER RESET
16MHz 3.3k 3.3k 270pF
INPUT
L-INPUT
10µF
100nF
Stereo
COMP-OUT
R-OUT
L-OUT
LV2283VB
Description
Name L-INPUT Voltage Description Left channel input. audio source voltage coupling capacitance required. Pre-emphasis capacitance should required between (24) (23). Equivalent Circuit
L-CAP MPX+B regulator output audio frequency blocks. External decoupling capacitance required.
COMPOSITE 0.05 Stereo modulated output.
Charge pump current output.
30µA
30µA
Continued next page.
No.A0974-5/10
LV2283VB
Continued from preceding page. Name Voltage oscillator. Description Transistor BASE terminal Colpitz Equivalent Circuit
RF+B regulator output blocks.
Collector output. Inductance should connected Between getting resonant frequency making pin12 bias 2.8V.
PLL+B regulator output digital blocks.
Continued next page.
No.A0974-6/10
LV2283VB
Continued from preceding page. Name XTAL Voltage Description 16MHz crystal needed reference frequency. external clock injected frequency should from 1MHz 24MHz (integer) 200kHz. When Standby mode, external clock should stop. Equivalent Circuit
clock input.
CMOS Logic Input
data input.
CMOS Logic Input
COUNTER RESET Usually should kept "Logic High" opened (pull 100k makes "Logic High" automatically). When "Logic Low" level, internal frequency counter from 76kHz 19kHz reset.
100k CMOS Logic Input
19kHz output (same phase pilot tone). When "19K"=0, kept "Logic Low" level.
CMOS Logic Output
stereo modulator pilot signal carrier. 76kHz crystal should connected between
Continued next page.
No.A0974-7/10
LV2283VB
Continued from preceding page. Name R-CAP R-INPUT Voltage Description Equivalent Circuit
Definition
Table Write Data Format
Name Address Byte Byte Control Byte Control Byte Control Byte RES1 Control Byte transmitted first. RES0 PILOT ATT2 ATT1 MUTE ATT0 TEST
Table Write Mode Description
Name Address Read/Write Acknowledge Programmable counter Programmable counter. LSB, MSB. Frequency 100kHz Default state "01111010100" (980) PILOT MUTE RES1, RES0 ATT2 ATT0 19kHz output MONO/ST selection Pilot tone output Standby Audio mute Reserved bits output adjustment Audio attenuator Reference counter (Pin OFF. "19K" output. 19kHz output (same phase pilot tone). Default state Monaural/Stereo transmission mode selection. "ST" monaural mode pilot tone), stereo transmission. Default state normal operation (default). pilot tone composite output even (Stereo mode). standby mode. Default state normal operation. Audio mute. Default state normal operation. Reserved bits. Default state "00" normal operation. output voltage adjustment with degree, steps. "RF2, RF1, RF0" "111" maximum. "000" minimum output. Default state "111" Audio attenuator modulation fine adjustment "ATT2, ATT1, ATT0" with degree, steps. "111" attenuation. "000" 14dB attenuation. Default state "011". Programmable counter. LSB, MSB. Reference frequency should 100kHz. {Crystal oscillator frequency (Pin 16)} 100kHz. Default state "1010000" TEST Test mode testing. normal operation. counter testing mode. Default state LV2283VB requires address bits. Write mode (Write mode only). Description
No.A0974-8/10
LV2283VB
Operation
Serial Controller (Master) LV2283VB (Slave)
Address Byte
Control Byte
Control Byte
Master
First
Slave
Start condition
Stop condition
Acknowledge
Time chart
tBUF
Start condition tLOW tHIGH Stop condition
Table Timing specification
Parameter clock frequency free time between STOP START condition Hold time START condition period clock HIGH period clock Data hold time Data set-up time Rise time both signals Fall time both signals Set-up time STOP condition Characteristics Temp=25°C 3.3V Note registered trademark Philips Symbol fSCL tBUF tLOW tHIGH 1000 Ratings Unit
No.A0974-9/10
LV2283VB
Application Circuit
COUNTER RESET
R-INPUT 76KHz
Preemphasis Switch
X'tal
Shift Register
X'tal
R-Counter Phase P-Counter
Switch Preemphasis
Attenuator 2.8V Regulator
Charge Pump
L-INPUT
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 December, 2007. Specifications information herein subject change without notice. No.A0974-10/10

LV2283VB Bi-CMOS Transmitter with Stereo Modulation LV2

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