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参数资料
| 型号： | TDA7056AT/N2 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 音频控制 |
| 英文描述： | 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO20 |
| 封装： | PLASTIC, SOT-163, SO-20 |
| 文件页数： | 19/22页 |
| 文件大小： | 164K |
| 代理商： | TDA7056AT/N2 |
1998 Feb 23
6
Philips Semiconductors
Product specication
3 W mono BTL audio amplier with DC
volume control
TDA7056AT
CHARACTERISTICS
VP = 12 V; VDC = 1.4 V; f = 1 kHz; RL =16 ; Tamb =25 °C; unless otherwise specied (see Fig.14).
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 (Vn(o)(rms)) at f = 500 kHz, is measured with Rs =0 and B = 5 kHz.
3. 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.
4. The noise output voltage (Vn(o)(rms)) is measured with Rs =5k unweighted.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
VP
supply voltage
4.5
18
V
Iq(tot)
total quiescent current
RL = ∞; note 1
816
mA
Maximum gain (V7 = 1.4 V)
Po
output power
THD = 10%; RL =16
3
3.5
W
THD
total harmonic distortion
Po = 0.5 W
0.3
1
%
Gv(max)
maximum total voltage gain
34.5
35.5
36.5
dB
Vi(rms)
input signal handling (RMS value)
VVC = 0.8 V; THD < 1%
0.5
0.65
V
Vn(o)(rms)
noise output voltage (RMS value)
f = 500 kHz; note 2
210
V
B
bandwidth
at
1dB
0.02 to 300
kHz
SVRR
supply voltage ripple rejection
note 3
38
46
dB
V
OS
DC output offset voltage
V17 v14
0
150
mV
Zi
input impedance (pin 3)
15
20
25
k
Minimum gain (V7 = 0.5 V)
Gv
voltage gain
44
dB
Vo(n)(rms)
noise output voltage (RMS value)
note 4
20
30
V
Mute position
Vo(mute)
output voltage in mute position
VVC ≤ 0.3 V;
VI = 600 mV; note 4
35
45
V
DC volume control
G
v
voltage gain control range
75
80
dB
IVC
control current
VVC =0V
60
70
80
A
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