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参数资料
| 型号： | TDA7469A |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO20 |
| 封装： | SO-20 |
| 文件页数： | 12/17页 |
| 文件大小： | 150K |
| 代理商： | TDA7469A |
ELECTRICAL CHARACTERISTICS (refer to the test circuit Tamb =25
°C, VS =2.4V, all controls flat
(G = 0dB), f = 1KHz, unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SUPPLY
VS
Supply Voltage
1.8
2.4
5.0
V
VPS
Supply Voltage
1.5
2.4
5.0
V
ISQ
Supply Current
10
A
IPSQ
Quiscent Current
1
A
IS
Po = 0.5mW +0.5mW
8
mA
IPS
Po = 0.5mW +0.5mW
15
mA
INPUT STAGE
RIN
Input Resistance
35
50
65
K
AIN
Input Attenuation Range
0
6
dB
VOLUME CONTROL
CRANGE
Control Range
-63
6
dB
AMAX
Max. Attenuation
61
63
65
dB
ASTEP
Step Resolution
0.5
1
1.5
dB
GMAX
Max. Gain
6
dB
Gstep
Step Resolution
2
dB
R1
Muxout Load Resistence
10
K
BASS CONTROL
Gb
Control Range
Max. Boost/on
14
dB
RB
Internal Feedback Resistance
75.6
100.8
126
K
TREBLE CONTROL
Gt
Control Range
Max. Boost
12
dB
Rt
Internal Resistance
25
K
HEADPHONE OUTPUTS
Gout
Output Gain
0
dB
Pomax
Max Output Power
THD = 10%
5
8
mW
GENERAL
ENO
Output Noise
Outout Muted
All gains = 0dB;
BW = 20Hz to 20KHz flat
5
10
V
THD
Distortion
Av = 0, Vin = 0.1Vrms
0.1
0.5
%
SC
Channel Separation Left/Right
50
dB
RR1
Ripple Rejection
VS, f = 100Hz
-70
dB
RR2
Ripple Rejection
PVS, f = 100Hz
-75
dB
Total Tracking Error
0
1
dB
BUS INPUTS
VIL
Input Low Voltage
0.5
V
VIH
Input High Voltage
1.9
V
IIN
Input Current
VIN = 0.4V
-5
5
A
VO
Output Voltage (ACK)
IO = 1.6mA
0.4
V
NOTE1:
1) BASS and TREBLE response: The center frequency and the response quality can be chosen by the external circuitry.
TDA7469
4/17
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