參數(shù)資料
型號(hào): 935261316118
廠商: NXP SEMICONDUCTORS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO20
封裝: PLASTIC, SOT-266, SSOP-20
文件頁(yè)數(shù): 26/31頁(yè)
文件大小: 292K
代理商: 935261316118
1998 Jun 02
4
Philips Semiconductors
Preliminary specication
2
× 1.4 W BTL audio ampliers with digital
volume control and headphone sensing
TDA8552T; TDA8552TS
BLOCK DIAGRAM
Fig.1 Block diagram.
handbook, full pagewidth
MGM608
20
k
15 k
20 k
20 k
3.4 k
1.6 k
20 dB
30 dB
20
k
15 k
20 k
20 k
3.4 k
1.6 k
15 k
15 k
15 k
15 k
20 dB
30 dB
0.5VDD
VDD
0.5VDD
VOLUME
CONTROL
VOLUME
CONTROL
MASTER
SLAVE
TDA8552T
MASTER
SLAVE
UP/DOWN
COUNTER
INTERFACE
UP/DOWN
COUNTER
INTERFACE
STANDBY/MUTE
AND OPERATING
GAIN
SELECTION
UP/DOWN1
UP/DOWN2
IN1
17
6
16
15
7
5
4
IN2
SVR
MODE
HPS
GAINSEL
GND1 to GND4
OUT2
OUT2
+
OUT1
OUT1
+
VDD1
VDD2
VDD3
VDD4
3813
18
12
19
2
9
1, 10, 11, 20
14
up
down
up
down
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