
LA2657M
No.8078-2/8
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
VCC
Pin 21
9.0
V
Recommended supply voltage
VDD
Pin 47
8.0
V
VCC opg
Pin 21
5.0 to 12.0
V
Operating supply voltage range
VDD opg
Pin 47
7.5 to 10.0
V
CL (49), DI (50), CE (51)
4.0 to 10
V
Input high voltage
VIH
BBE (23)
2.0 to VCC
V
Input low voltage
VIL
CL (49), DI (50), CE (51), BBE (23)
0.0 to 1.0
V
CElectrical Characteristics at Ta
= 25°C (In the specified AC test circuit)
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
[BBE Function] (VCC = 9.0V, fin = 1kHz, VIN = 300mVrms = 0dB, RL = 40k)
Quiescent current drain
ICCO
Pin 21
4.5
6.0
8.0
mA
VGB
BBE on
0.0
+2.5
+5.0
dB
Output level deviation
VGT
BBE off
-2.0
0.0
+2.0
dB
VO maxB
BBE on THD = 1%
1.5
2.0
Vrms
Maximum output voltage
VO maxT
BBE on THD = 1%
1.5
2.0
Vrms
THDB
BBE on 400 to 30kBPF
0.04
0.1
%
Total harmonic distortion
THDT
BBE off 400 to 30kBPF
0.04
0.1
%
VNOB
BBE on Rg = 10k
DIN AUDIO
-80
-75
dBv
Output noise voltage
VNOT
BBE off Rg = 10k
DIN AUDIO
-90
-80
dBv
[EVR function] (VDD = 8.0V, fin = 1kHz, VIN = 1Vrms = 0dB)
Maximum input gain
Gin max
±18.75
dB
Bass range
Gbass
max Boost/Cut fin = fo
±10
±11.9
±14
dB
Treble range
Gtre
max Boost/Cut fin = fo
±10
±11.9
±14
dB
Super bass range
Crange
max Boost fin = fo
+20
dB
Total harmonic distortion
THDE
All controls flat
0.003
0.01
%
Crosstalk
CTE
All controls flat, Rg = 1k
-80.5
dB
Output at maximum attenuation
VO minE
Main volume : -
∞
-80
dB
VN-1
All controls flat (IHF-A) Rg = 1k
8
V
Output noise voltage
VN-2
All controls flat (DIN-AUDIO) Rg = 1k
10
V