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)： 15/18頁
文件大?。?/td> 152K
代理商： 935186180112
1998 Apr 07
6
Philips Semiconductors
Product specication
2
× 8 W stereo BTL audio output amplier
with DC volume control
TDA7057AQ
CHARACTERISTICS
VP =12V;Tamb =25 °C; fi = 1 kHz; RL =16 ; unless otherwise specied (see Fig.13).
Notes
1. With a load connected to the outputs the quiescent current will increase, the maximum value of this increase being
equal to the DC output offset voltage divided by RL.
2. The noise output voltage (RMS value) at fi = 500 kHz is measured with RS =0 and bandwidth = 5 kHz.
3. 20 Hz to 300 kHz (typical.
4. The ripple rejection is measured with RS =0 and f = 100 Hz to 10 kHz. The ripple voltage (Vripple = 200 mV RMS)
is applied to the positive supply rail.
5. The channel unbalance is measured with VDC1 =VDC2.
6. The channel unbalance at G1 = 0 dB is measured with VDC1 =VDC2.
7. The noise output voltage (RMS value) is measured with RS =5k unweighted.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP
voltage supply
4.5
18.5
V
Iq(tot)
total quiescent current
VP = 12 V; RL = ∞; note 1
22
25
mA
Maximum gain; V1,7 ≥ 1.4 V
Po
output power
THD = 10%; RL =16
3.0
3.5
W
THD = 10%; RL =8
5.3
W
THD=10%; RL =8 ;
VP =15V
8
W
THD
total harmonic distortion
Po = 0.5 W
0.3
1
%
Gv
voltage gain
39.5
40.5
41.5
dB
Vi(rms)
input signal handling (RMS value)
Gv = 0 dB; THD < 1%
1
V
Vo(n)
noise output voltage
fi = 500 kHz; note 2
210
V
B
bandwidth
at
1dB
note 3
dB
SVRR
supply voltage ripple rejection
note 4
34
38
dB
V
OS
DC output offset voltage
|V13 -V11| and |V10 -V8|
0
200
mV
Zi
input impedance (pins 3 and 5)
15
20
25
k
α
cs
channel separation
RS =5k
40
dB
G
v
channel unbalance
note 5
1dB
G1 = 0 dB; note 6
1dB
Mute position; V1 =V7 =0.4 V ±30 mV
Vo(mute)
output voltage in mute position
Vi = 1.0 V; note 7
35
45
V
DC volume control
Gv
gain control range
68
73.5
dB
lDC
volume control current
V1 =V7 =0V
20
25
30
A
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