LA4571MB View Datasheet(PDF) - SANYO -> Panasonic
Part Name
Description
Manufacturer
LA4571MB Datasheet PDF : 9 Pages
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LA4571MB
Electrical Characteristics
Preamplifier and power amplifier at Ta = 25˚C, VCC=3.0V, f=1kHz, RL (pre)=10kΩ, RL (power)=16Ω,
0dBm at 0.775V unless otherwise noted
Parameter
Quiescent supply current
Total voltage gain
Symbol
Conditions
ICCO
VGT
Rg=2.2kΩ, VI=0V
VO=–5dBm
Ratings
Unit
min
typ max
17
27 mA
65
68
71 dB
Preamplifier at Ta = 25˚C, VCC=3.0V, f=1kHz, RL (pre)=10kΩ, RL (power)=16Ω, 0dBm at 0.775V unless otherwise
noted
Parameter
Open-loop voltage gain
Closed-loop voltage gain
Maximum output voltage
Total harmonic distortion
Input conversion noise voltage
Channel crosstalk
Ripple rejection
Symbol
Conditions
VGO
VG1
VO max
THD1
VNI
CT1
Rr1
VO=–5dBm
VO=–5dBm
THD=1%, VCC=1.8V
VO=0.2V, VG=40dB (NAB standard)
Rg=2.2kΩ, bandwidth=20Hz to 20kHz
Rg=2.2kΩ, 1kHz tune
Rg=2.2kΩ, VCC=1.8V, Vr=–20dBm, f=100Hz
Ratings
Unit
min typ max
70
80
dB
40
dB
0.1
0.2
V
0.05
0.5 %
1.3
2.0 µV
60
80
dB
40
50
dB
Power amplifier at Ta = 25˚C, VCC=3.0V, f=1kHz, RL (pre)=10kΩ, RL (power)=16Ω, 0dBm at 0.775V unless
otherwise noted
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Output power
Closed-loop voltage gain
Total harmonic distortion
Channel crosstalk
Output noise voltage
Ripple rejection
Input resistance
Output DC offset voltage
PO
VG2
THD2
CTT
VNO
Rr2
Ri
VODC off
THD=10%
VO=–5dBm
PO=1mW
VO=–5dBm, RV=0Ω
Rg=0Ω, BPF=20Hz to 20kHz
Rg=0Ω, Vr=–20dB, f=100Hz, VCC=1.8V
23
32
mW
25
28
31 dB
0.4
1.0 %
30
40
dB
24
40 µV
45
60
dB
22
30
38 kΩ
–90
+90 mV
Note : The maximum and minimum values for the power amplifiers closed-loop voltage gain (VG2) increase by 1dB when the load resistance (RL) is
32Ω.
Block Diagram
No.3534–2/9
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