
TA8106F
2002-10-30
4
(6) Total gain: GV
In this system, the total gain GV is given by
1
R
2
R
4
og
20
V
G
=l
Typical values of this system is R1 = 1.6k, R2 =
19k, then this gain is;
GV≒34dB (typ.)
(Note)
The internal resistances are fixed, then the
gain is fixed. In additional to the attenuator in
front of this system, the gain is changeable.
Maximum Ratings (Ta = 25°C)
Characteristic
Symbol
Rating
Unit
Supply voltage
VCC
5
V
Output current
IO (peak)
160
mA
Power dissipation
PD (Note)
350
mW
Operating temperature
Topr
-25~75
°C
Storage temperature
Tstg
-55~150
°C
(Note) Derated above Ta = 25°C in the proportion of 2.8mW / °C.
Electrical Characteristics (AC)
(unless otherwise specified, Ta = 25°C, VCC = 1.5V, f = 1kHz, Rg = 620, RL = 32)
Characteristic
Symbol
Test
Cir
-
cuit
Test Condition
Min.
Typ.
Max.
Unit
Puiescent supply current
ICCQ
—Vin = 0
—
6
8.4
mA
Input resistance
RIN
—
50
—
k
Voltage gain
GV
—
30
33
36
dB
Channel balance
GV
—
Vin = -50dBV
Vin (R) = Vin (L)
—
0
1.3
dB
Po (1)
—
Vin (R) = Vin (L)
THD = 10%
11
14
—
Po (2)
—
Vin (R) = -Vin (L)
THD = 10%
—
5.5
—
Output power
Po (3)
—
Vin (R) = 0 or Vin (L) = 0
THD = 10%
—
10.5
—
mW
THD (1)
—
Po (L) = Po (R) = 1mW
Vin (R) = Vin (L)
—
0.4
1.0
THD (2)
—
Po (L) = Po (R) = 1mW
Vin (R) = -Vin (L)
—
2.5
—
Total harmonic distortion
THD (3)
—
Vin (R) = 0 or Vin (L) = 0
Po = 1mW
—
0.9
—
%
Output noise
Vno
—Rg = 620, BPF = 20Hz~20kHz
—
0.15
0.3
mVrms
Cross talk
CT
—
Vo = -10dBV, Rg = 620
—
32
—
dB
Ripple rejection ratio
RR
—
Vr = -30dBV
fr = 100Hz, Rg = 620
—
35
—
dB
Muting attenuation
ATT
—
VMUTE = 1.5V
—
60
—
dB