LA4589W
Specifications
Maximum Ratings at Ta = 25˚C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Conditions
Ratings
Unit
3.0 V
320 mW
–10 to +60 ˚C
–40 to +125 ˚C
Operating Conditions at Ta = 25˚C
Parameter
Recommended supply voltage
Operating voltage
Symbol
VCC
VCC op
Conditions
Ratings
Unit
1.5 V
0.95 to 2.2 V
Operating Characteristics at Ta = 25˚C, VCC=1.2V, f=1kHz, 0dBm=0.775V, RL=10kΩ (preamplifier),
RL =16Ω (power amplifier)
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[Preamplifier and power amplifier]
Quiescent current
Closed-loop voltage gain
[Preamplifier]
ICCO1
ICCO2
VGT
Rg=2.2kΩ, RV=0Ω
PSW is OFF.
VO=–20dBm, RV=10kΩ
8
15
24 mA
0.1
5.0 µA
54
57
60 dB
Open-loop voltage gain
Closed-loop voltage gain
Maximum output voltage
Total harmonic distortion
Equivalent input noise voltage
Crosstalk rejection between channel 1 and
channel 2
Crosstalk rejectin between forward and reverse
tracks
Ripple rejection ratio
VGO
VG1
VG2
VO max
THD1
VNI
CT1
CT2
Rr1
VO=–20dBm
VO=–20dBm
VO=–20dBm, f=10kHz, METALSW is ON.
THD=1%
VG=35.5dB/NAB, VO=100mV
Rg=2.2kΩ, 20Hz to 20kHz bandpass filter
Rg=2.2kΩ, VO=–20dBm, 1kHz tuned filter
Rg=2.2kΩ, VO=–30dBm, fr=100Hz, 100Hz tuned
filter
60
73
dB
34.0 35.5 37.0 dB
25.5 28.0 30.5 dB
100 210
mV
0.1
0.5 %
1.3
3.0 µV
45
56
dB
65
78
dB
45
52
dB
[Power amplifier with bass boost]
Closed-loop voltage gain
Output power
Total harmonic distortion
Crosstalk rejection between left and right
channels
VG3
VG4
VG5
VG6
PO1
PO2
THD2
CT3
VO=–20dBm
VO=–20dBm, LBSW is ON.
VO=–20dBm, f=10kHz, LBSW is ON.
VO=–20dBm, f=100Hz, LBSW is ON.
THD=10%
THD=10%, f=100Hz, LBSW is ON.
PO=1mW
VO=–20dBm, RV=0Ω
20.5 23.0 25.5 dB
20.5 23.0 25.5 dB
24.5 27.5 30.5 dB
30
34
38 dB
5
9
mW
13
21
mW
0.5
1.5 %
38
43
dB
Output noise voltage
Ripple rejection ratio
Input impedance
Voltage gain differential
VNO
Rr2
RI
∆VG3
RV=0Ω, 20Hz to 20kHz bandpass filter
RV=0Ω, Vr=–30dBm, fr=100Hz, 100Hz tuned filter
35
48 µV
50
74
dB
8
10
12 kΩ
0
1.5 dB
[Ripple filter]
Output voltage
Ripple rejection ratio
[Automatic music search (AMS)]
VRF
IRF=25mA, VCC=1.0V
0.89 0.93
V
Rr3
fr=100Hz, Vr=–30dBm, VCC=1.0V, IRF=25mA,
output transistors with hFE ≥ 6 (2SB1295)
33
39
dB
AMS output voltage
VOAMS VPREOUT1=6mV
470 570 670 mV
No.3968–2/9