參數(shù)資料
型號(hào)： 935186180112
廠商： NXP SEMICONDUCTORS
元件分類： 音頻控制
英文描述： 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PZFM13
封裝： PLASTIC, SOT-141, SIP-13
文件頁數(shù)： 17/18頁
文件大小： 152K
代理商： 935186180112
1998 Apr 07
8
Philips Semiconductors
Product specication
2
× 8 W stereo BTL audio output amplier
with DC volume control
TDA7057AQ
Fig.7
Total worst case power dissipation as a
function of supply voltage.
(1) RL =8 .
(2) RL =16 .
handbook, halfpage
020
15
5
0
10
MBG677
4
8
12
16
Pd
(W)
VP (V)
(2)
(1)
Fig.8
Voltage gain as a function of volume control
voltage.
handbook, halfpage
0
Gv
(dB)
2.0
VVC (V)
80
40
80
120
40
0
MBG667
0.4
0.8
1.2
1.6
Fig.9
Noise voltage as a function of volume
control voltage.
f = 22 Hz to 22 kHz.
handbook, halfpage
2.0
VVC (V)
0
102
101
MBG678
1
0.4
0.8
1.2
1.6
Vno
(mV)
Fig.10 SVRR as a function of frequency.
(1) VDC = 1.4 V; Vripple = 0.2 V.
(2) VDC = 0.4 V; Vripple = 0.2 V.
handbook, halfpage
102
MBG663
10
1
102
101
f (kHz)
SVRR
(dB)
20
40
60
80
0
(1)
(2)
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