參數(shù)資料
型號: TDA7057AQ
廠商: NXP SEMICONDUCTORS
元件分類: 音頻控制
英文描述: 2 x 8 W stereo BTL audio output amplifier with DC volume control
中文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PZFM13
封裝: PLASTIC, SOT-141, SIP-13
文件頁數(shù): 8/16頁
文件大小: 116K
代理商: TDA7057AQ
1998 Apr 07
8
Philips Semiconductors
Product specification
2
×
8 W stereo BTL audio output amplifier
with DC volume control
TDA7057AQ
Fig.7
Total worst case power dissipation as a
function of supply voltage.
(1) R
L
= 8
.
(2) R
L
= 16
.
handbook, halfpage
0
20
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
(dB)
0
2.0
VVC (V)
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
10
2
10
1
MBG678
0.4
0.8
1.2
1.6
Vno
(mV)
Fig.10 SVRR as a function of frequency.
(1) V
DC
= 1.4 V; V
ripple
= 0.2 V.
(2) V
DC
= 0.4 V; V
ripple
= 0.2 V.
handbook, halfpage
SVRR
(dB)
10
2
MBG663
10
1
10
2
10
1
f (kHz)
20
40
60
80
(1)
(2)
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