參數(shù)資料
型號： 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)： 11/18頁
文件大小： 152K
代理商： 935186180112
1998 Apr 07
2
Philips Semiconductors
Product specication
2
× 8 W stereo BTL audio output amplier
with DC volume control
TDA7057AQ
FEATURES
DC volume control
Few external components
Mute mode
Thermal protection
Short-circuit proof
No switch-on and switch-off clicks
Good overall stability
Low power consumption
Low HF radiation
ESD protected on all pins.
GENERAL DESCRIPTION
The TDA7057AQ is a stereo BTL output amplifier with DC
volume control. The device is designed for use in TVs and
monitors, but is also suitable for battery-fed portable
recorders and radios.
Missing Current Limiter (MCL)
A MCL protection circuit is built-in. The MCL circuit is
activated when the difference in current between the
output terminal of each amplifier exceeds 100 mA
(typical 300 mA). This level of 100 mA allows for
single-ended headphone applications.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP
supply voltage
4.5
18
V
Pout
output power
VP = 12 V; RL =16
3.0
3.5
W
VP = 12 V; RL =8
5.3
W
VP = 15 V; RL =8
8
W
Gv
voltage gain
39.5
40.5
41.5
dB
Gv
voltage gain control
68
73.5
dB
Iq(tot)
total quiescent current
VP = 12 V; RL = ∞
22
25
mA
THD
total harmonic distortion
Po = 0.5 W
0.3
1
%
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA7057AQ
DBS13P
plastic DIL-bent-SIL power package; 13 leads (lead length 12 mm)
SOT141-6
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PDF描述
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