KA9201, which amplifier, monolithic integrated circuit designed three-
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KA9201
KA9201, which amplifier, monolithic integrated circuit designed three-spot type optical pickup compact disc player. consists signal processing circuit, Focus Error AMP, Tracking Error AMP, Focus Detector, Mirror Detector, Defect Detector, Comparator automatic power controller laser diode.
30-SOP-375
RF-AMP
30-SDIP-400
32-QFP-0707
FEATURES
Functions: Focus Error Tracking Error Focus Detector Mirror Detector Defect Detector (Eight Fourteen Modulation) Comparator Automatic Asymmetry Control Center Voltage Buffer (Automatic Power Control) Photo- Diode Laser-Diode drive
ORDERING INFORMATION
Device KA9201 KA9201D KA9201Q Package 30-SDlP-400 30-SOP-375 32-QFP-0707 -25°C~ +75°C Operating Temperature
Single power supply operation well split power supply operation power consumption (100mW 50mW Built-in automatic power controller P-sub N-sub laser diode Minimum number external components required Built.in disc defect detection circuit improvement playability Recommend operation supply voltage range: ~VEE DGND 5.5V Power Supply Condition:
Single Power Supply Split Power Supply Power Supply Power Supply
Power Supply
DGND
(Vref) Connecting
DGND
KA9201
BLOCK DIAGRAM
RF-AMP
REFERENCE
(13) (11)
(14) (10) FOCUS DETECTOR (15)
(16) CIRCUIT
AUTO ASYMMETRY CONTROL
(17)
(18) AMP(1) AMP(2)
SUMMING
DGND
(19)
(20)
MIRROR DETECTOR DEFECT DETECTOR
(21) TRACKING ERROR
MIRROR
(22)
DEFECT
(23)
(24) FOCUS ERROR (32)
(25) (31) CENTER VOLTAGE BUFFER
BIAS
(26)
(30)
(28) (29)
Fig. number TYPE
KA9201
ABSOLUTE MAXIMUM RATINGS
Characteristic Supply Voltage Power Dissipation Operating Temperature Storage Temperature 25°C) Value +150
RF-AMP
Symbol
Unit
ELECTRICAL CHARACTERISTICS
25°C, 2.5V, DGND 2.5V, GND, unless otherwise specified) Stage Circuit Current Focus Error Tracking Error Characteristic Current Current DGND Current Input Offset Voltage Voltage Gain Maximum Output Amplitude Maximum Output Amplitude Input Offset Voltage Voltage Gain Voltage Gain Gain Difference Maximum Output Amplitude Maximum Output Amplitude Input Offset Voltage Voltage Gain Voltage Gain Gain Difference Maximum Output Amplitude Maximum Output Amplitude Symbol (GND) VIO1 (MAX) VO(MAX) VIO2 (MAX) VOL(MAX) VIO3 (MAX) (MAX) 2.0V Output; peak voltage -2.0V Output; peak voltage -0.2V Output; peak voltage 0.2V Output; peak voltage voltage V,=1KHz, 0.3Vsinewave, input output ratio Output; sinewave voltage 2KHz, 40mV sinewave, Output; sinewave 0.2V Output; peak voltage -0.2V Output; peak voltage voltage VI=1KHz, 32mV sinewave, Output; sinewave Current Test Conditions 15.0 -1.1 25.1 11.4 11.0 -0.85 28.1 15.5 -0.6 31.1 Unit
-120
-0.3
-1.9 -1.9
KA9201
ELECTRICAL CHARACTERISTICS (Continued)
Stage Characteristic Output Voltage Output Voltage Output Voltage Output Voltage Output Voltage Output Voltage Maximum Output Amplitude Maximum Output Amplitude Symbol (MAX) (MAX) Test Conditions 190mV 90mV 100mV 170mV -0.8mA Output; +peak voltage 0.6V, 0.8mA Output; -peak voltage output (VCC DGND)/2 must adjusted voltage across Input across 375mV/(DC) sinewave Output: pulse
RF-AMP
Unit
-1.4 -1.4 -1.4
Focus
Threshold Voltage
VTH1
-430
-390
-350
High Output Voltage Output Voltage Maximum Operating Frequency High Output Voltage Output Voltage Mirror Hold Frequency Response Bottom Hold Frequency Response Maximum Input Operating Frequency minimum Input Voltage Maximum Input Voltage High Output Voltage Output Voltage
(FOK) (FOK) f(MAX) (MIR) (MIR)
-2.2
10KHz 0.8V, -0.4V(DC) sinewave, Output; pulse
Mirror
fRES
0.8V, 0.2V(DC), f(carrier) 500KHz modulation Output; pulse 0.8V, 0.4V(DC) sinewave, Output; pulse 10KHZ 0.4V(DC) sinewave, Output; pulse 32mV, +15mV(DC) sinewave, Output; pulse
fRES (MAX) (MIN) (MAX) (DEF) (DEF)
Defect
-2.2
KA9201
ELECTRICAL CHARACTERISTICS
Stage Defect Characteristic Minimum Input Operating Frequency Maximum Input Operating Frequency Minimum Input Voltage Maximum Input Voltage Duty Cycle Duty Cycle (Continued) Symbol (MIN) (MAX) V(MIN) V(MAX) Test Conditions 32mV, 15mV/(DC) sinewave, Output; pulse 50Hz, 15mV (DC) pulsewave, symmerty; Output; pulse 750KHz, 0.7V sinewave, Output; voltage =750KHz, 0.7V +0.25V (DC) sinewave Output; voltage 750KHz, 0.7V sinewave, Output; pulse
RF-AMP
1000
Unit
Comparator Center Voltage Buffer
High Output Voltage Output Voltage Minimum Input Voltage Maximum Input Voltage Maximum Input Operating Frequency Input Offset Voltage
(EFM) (EFM) V(MIN) V(MAX) f(MAX) VIO4
-100
-1.2 0.12
750KHz sinewave, Output; pulse =750KHz, 0.7V sinewave, Output; pulse voltage
Maximum Output IO+(MAX) Current Maximum Output IO-(MAX) Current 25°C, 5.0V, -5.0V, DGND GND, unless otherwide specified) Maximum Output (MAX) 0.2V Amplitude Output; voltage Maximum Output (MAX) -0.2V Amplitude Output; voltage Focus Maximum Output (MAX) -0.2V Error Amplitude Output; voltage Maximum Output (MAX) 0.2V Amplitude Output; voltage Tracking Maximum Output (MAX) 2.0V Error Amplitude Output; voltage Maximum Output (MAX) -2.0V Amplitude Output; voltage
-2.2 -2.2
KA9201
ELECTRICAL CHARACTERISTICS (Continued
Stage Characteristic Output Voltage Output Voltage Output Voltage Output Voltage Output Voltage Output Voltage Maximum Output Amplitude Maximum Output Amplitude Symbol (MAX) (MAX) Test Conditions 190mV Output voltage 90mV Output voltage 100mV Output voltage 170mV Output voltage Output voltage 190mV Output voltage -0.8mA Output; voltage 0.6V, 0.8mA Output; voltage Input voltage; output (VCC DGND)/2 must adjusted voltage across -375mV(DC) across RFO; sinewave, Output; pulse
RF-AMP
Unit
-1.4
-1.4
-3.8
-2.5
Focus
Threshold Voltage High Output Voltage Output Voltage High Output Voltage Output Voltage High Output Voltage Output Voltage Duty Duty
VTH2
-430
-390
-350
(FOK) (FOK) (MIX)2 (MIR) (DEF)
Mirror
10KHz 0.8V, -0.4V(DC) sinewave, Output; pulse
Defect
VOL(DEF)
1KHz 32mV, +15mV(DC) sinewave, output pulse 750KHz 0.7V sinewave Output; voltage 750KHz 0.7V 0.25V(DC) sinewave, Output; pulse 750KHz 0.7V, sinewave, Output; pulse
-0.3 2.45 2.50 2.50 2.55 2.55 2.60
Comparator
High Output Voltage Output Voltage
VOH(EFM)2 VOL(EFM)2
KA9201
TEST CIRCUIT
RF-AMP
SIG-1
DGND
KS74HCTLS04
1000pF
SIG-2
KA9201
3300pF
390K
MIRROR
390K
DEFECT
SIG-3
BIAS
3300pF
DGND
KA9201
TEST METHOD SWITCH CONDITION VCC=2.5V, VEE=DGND= -2.5V, VC=GND
Stage
RF-AMP
Characteristic Input ID(GND) VIO1 VO(MAX)1 VO(MAX)2 VIO2 VOH(MAX)1 VOL(MAX)1 VIO3 VOH(MAX)2 VOL(MAX)2 VOH(MAX)3 VOL(MAX)3 VTH1 VOH(FOK)1 VOL(FOK)1 f(MAX) VOH(MIR)1 VOL(MIR)1 fRES(M) fRES(B) fI(MAX)1 fI(MIN)1 VI(MAX)1 Va,Ia Va,Ia SIG-3 SIG-3
Test Point
Circuit Current
SIG-2
SIG-2 SIG-2
Focus Error
Tracking Errpr
SIG-1 SIG-1 SIG-1 SIG-1 SIG-1 SIG-1 SIG-1 SIG-1 SIG-1 SIG-1 SIG-1
Focus
Mirror
KA9201
TEST METHOD SWITCH CONDITION Continued
RF-AMP
Stage
Characteristic Input VOH(DEF)1 VOL(DEF)1 fI(MIN)2 fI(MAX)2 VI(MIN)2 VI(MAX)2 VOH(EFM)1 VOL(EFM)1 VI(MIN)3 VI(MAX)3 fI(MAX)3 VIO4 IO+(MAX) IO+(MAX) VOH(MAX)4 VOL(MAX)4 VOH(MAX)5 VOL(MAX)5 VOH(MAX)6 VOL(MAX)6 VO10 VO11 VO12 VOH(MAX)7 VOL(MAX)7 VTH2 VOH(FOK)2 VOL(FOK)2 VOH(MIR)2 VOL(MIR)2 VOH(DEF)2 VOL(DEF)2 VOH(EFM)2 VOL(EFM)2 SIG-2 SIG-2 SIG-2 SIG-2 SIG-2 SIG-2 SIG-1 SIG-1 SIG-1 SIG-1 SIG-1 SIG-1 SIG-1
Test Point
Defect
Comparator Center Voltage Buffer
VCC=5.0, -5.0V, DGND=VC=GND Focus
Error Tracking
Error Focus Mirror Defect
SIG-1 SIG-1 SIG-1 SIG-1 SIG-1 SIG-1 SIG-2 SIG-2 SIG-1 SIG-1 SIG-1
Comparator
KA9201
APPLICATION CIRCUIT
(+5V) from
RF-AMP
from 100K
DGND
MIRROR
DEFECT
BIAS
KA9201
RFCC
PICK-UP
Fig. Single Power Supply N-sub Laser Diode
KA9201
APPLICATION CIRCUIT
Split
RF-AMP
supply P-sub Laser Diode
Fig. Split Power Supply N-sub Laser Diode
Fig.
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