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參數資料
| 型號： | 935033050112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3 W, 2 CHANNEL, AUDIO AMPLIFIER, PZIP13 |
| 封裝： | PLASTIC, SOT-141, DIL-BENT-SIL, 13 PIN |
| 文件頁數： | 8/11頁 |
| 文件大小： | 90K |
| 代理商： | 935033050112 |
May 1992
6
Philips Semiconductors
Objective specication
2 x 3 W stereo BTL audio output amplier
TDA7057Q
CHARACTERISTICS
VP = 11 V; f = 1 kHz; RL = 16 ; Tamb = 25 °C; unless otherwise specied
Notes to the characteristics
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) is measured with RS = 5 k unweighted (20 Hz to 20 kHz).
3. The noise output voltage RMS value) at f = 500 kHz is measured with RS = 0 and bandwidth = 5 kHz.
With a practical load (RL = 16 , L = 200 H) the noise output current is only 50 nA.
4. The ripple rejection is measured with RS = 0 and f = 100 Hz to 10 kHz.
The ripple voltage of 200 mV (RMS value) is applied to the positive supply rail.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP
positive supply voltage range
3.0
11
18
V
IORM
repetitive peak output current
0.6
A
Operating position
IP
total quiescent current
RL = ∞; note 1
10
14
mA
PO
output power
THD = 10%
2.5
3
W
THD
total harmonic distortion
PO = 0.5 W
0.25
1
%
GV
voltage gain
39
40
41
dB
Vno(rms)
noise output voltage (RMS value)
note 2
180
300
V
Vno(rms)
noise output voltage (RMS value)
note 3
60
V
B
bandwidth
20 Hz to 20 kHz
SVRR
supply voltage ripple rejection
note 4
36
60
dB
V
off
DC output offset voltage
RS = 5 k
200
mV
ZI
input impedance
100
k
Ibias
input bias current
100
300
nA
α
channel separation
RS = 5 k
40
dB
GV
channel balance
1dB
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