参数资料
型号: TB2173FTG
元件分类: 音频控制
英文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PQCC44
封装: 6 X 6 MM, 0.40 MM PITCH, PLASTIC, VQON-44
文件页数: 13/19页
文件大小: 252K
代理商: TB2173FTG
TB2173FTG
2006-04-19
3
Pin Functions
Pin voltages: Typical quiescent pin voltages in test circuit,
VDD = VCC1 = 2.1 V, VCC2 = 1.2 V, Ta = 25°C
The equivalent circuit diagrams are intended as an aid for describing circuits; they may be shown in
abbreviated or simplified format.
Pin No.
and Name
Function
Internal Equivalent Circuit
Pin
Voltage
(V)
1
BEEP
OUTA
6
BEEP
OUTB
Beep signal output
20 BEEP IN
Beep signal input
2
OUTA
5
OUTB
Power amplifier output
0.6
4
PW GND
Power drive stage ground
0
7
VCC2
Power drive stage VCC
1.2
11 BST OUT
Boost amplifier output
0.6
20
1
6
VCC1
2
15 k
10 k
10 k
10 k
30 k
10 k
10 k
15 k
PWA
BST2
PWB
BIAS OUT
VCC2
7
4
11
5
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