Multimedia ICs
•Block diagram
C
B
16
15
A
ROUT
14
13
LOGIC
–+
–+
SW2
+–
1
2
3
4
VCC
MIC
LOUT
FK
LP
LP
12
11
–
+
R
L+R
SW1
–
L–R +
L
SW4
+–
5
6
TK
LIN
BA3836
LP
RIN
10
9
–+
SW3
+
7
BIAS
8
GND
•Electrical characteristics (unless otherwise noted, Ta = 25°C, VCC = 10V, fIN = 1kHz, VIN = 150mV, RL = 100kΩ)
Parameter
Symbol Min.
Typ.
Max.
Unit
Conditions
Quiescent current
IQ
1.6
2.6
3.3
mA Through mode
Maximum output voltage Vom
2.3
2.8
—
Vrms THD = 1%, through mode
L / R gain
GVT
10
14
17
dB
Through mode
Low frequency gain
GVF
10
14
17
dB
fIN = 50Hz, vocal fader mode
Microphone gain
GVM
5
8
11
dB
—
Crosstalk
CT
54
70
—
dB
fIN = 1kHz
Mute attenuation
MU
74
80
—
dB
fIN = 1kHz
Vocal suppression rate SV
27
33
—
dB
Vocal fader mode
Total harmonic distortion THD
—
0.02
0.07
%
Through mode, BW: 400Hz to 30kHz
Noise level
VN
—
15
22
Vrms Rg = 0, DIN AUDIO
Input impedance
RIN
35
50
65
kΩ
LIN, RIN, MICIN, FK
Control pin threshold
VthH
4.7
—
—
V
—
(high)
Control pin threshold
VthL
—
—
0.3
V
—
(low)
Output switching
∆DCB
—
6
18
mV Pin 15 switching
DC differential
∆DCC
—
6
18
mV Pin 16 switching
2