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TDA2822D 数据表(PDF) 3 Page - STMicroelectronics

部件名 TDA2822D
功能描述  DUAL LOW-VOLTAGE POWER AMPLIFIER
PDF  6 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA2822D 数据表(HTML) 3 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (VS = 6V; Tamb = 25°C, unless otherwise specified.
STEREO (Test circuit of fig. 1).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Supply Voltage
1.8
15
V
Id
Total Quiescent Drain Current
15
mA
VO
Quiescent Output Voltage
2.7
V
VS = 3V
1.2
V
Ib
Input Bias Current
100
nA
PO
Output Power (each channel)
(f = 1KHz, d = 10%)
VS = 9V
VS = 6V
RL = 32
Ω VS = 4.5V
VS = 3V
VS = 2V
300
120
60
20
5
mW
RL = 16
Ω VS = 6V
170
220
mW
RL = 8
Ω
VS = 6V
300
380
mW
RL = 4
Ω
VS = 4.5V
VS = 3V
320
110
mW
mW
d
Distortion
RL = 32
Ω
PO = 40mW
0.2
%
RL = 16
Ω
PO = 75mW
0.2
%
RL = 8
Ω
PO = 150mW
0.2
%
GV
Closed Loop Voltage Gain
f = 1KHz
36
39
41
dB
∆GV
Channel Balance
±1dB
Ri
Input Resistance
f = 1KHz
100
K
Ω
eN
Total Input Noise
Rs = 10k
Ω B = Curve A
2
µV
Rs = 10k
Ω B = 22Hz to 22KHz
2.5
µV
SVR
Supply Voltage Rejection
f = 100Hz
C1 = C2 = 100
µF24
30
dB
Cs
Channel Separation
f = 1KHz
50
dB
BRIDGE (Test circuit of fig.2)
VS
Supply Voltage
1.8
15
V
Id
Total Quiescent Drain Current
RL =
∞
15
mA
Vos
Output Offset Voltage (between
the outputs)
RL = 8
Ω
±80
mV
Ib
Input Bias Current
100
nA
PO
Output Power
(f = 1KHz, d = 10%)
VS = 9V
VS = 6V
RL = 32
Ω VS = 4.5V
VS = 3V
VS = 2V
320
50
1000
400
200
65
8
mW
RL = 16
Ω VS = 6V
RL = 16W VS = 3V
800
120
mW
mW
RL = 8
Ω
VS = 4.5V
RL = 8W
VS = 3V
700
220
mW
mW
RL = 4
Ω
VS = 3V
RL = 4W
VS = 2V
350
80
mW
mW
d
Distortion
RL = 8
Ω PO = 0.5W f = 1KHz
0.2
%
GV
Closed Loop Voltage Gain
f = 1KHz
39
dB
Ri
Input Resistance
f = 1KHz
100
K
Ω
eN
Total Input Noise
Rs = 10k
Ω B = Curve A
2.5
µV
Rs = 10k
Ω B = 22Hz to 22KHz
3
µV
SVR
Supply Voltage Rejection
f = 100Hz
40
dB
B
Power Bandwidth (-3dB)
RL = 8
Ω PO = 1W
120
KHz
TDA2822D
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