参数资料
型号: TDA7400
厂商: STMICROELECTRONICS
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封装: 10 X 10 MM, TQFP-44
文件页数: 25/28页
文件大小: 274K
代理商: TDA7400
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SPEAKER ATTENUATORS
RIN
Input Impedance
35
50
65
K
GMAX
Max Gain
13
15
17
dB
AMAX
Max Attenuation
-70
-79
dB
ASTEP
Step Resolution
0.5
1
1.5
dB
AMUTE
Output Mute Attenuation
80
90
dB
EE
Attenuation Set Error
±2dB
VDC
DC Steps
Adjacent Attenuation Steps
0.1
5
mV
AUDIO OUTPUTS
VCLIP
Clipping Level
d = 0.3%
2.2
2.6
VRMS
RL
Output Load Resistance
2
K
CL
Output Load Capacitance
10
nF
ROUT
Output Impedance
30
120
VDC
DC Voltage Level
4.3
4.5
4.7
V
GENERAL
eNO
Output Noise
BW = 20 Hz to 20 KHz
output muted
315
V
BW = 20 Hz to 20 KHz
all gain = 0dB
6.5
15
V
S/N
Signal to Noise Ratio
all gain = 0dB flat; VO = 2VRMS
102
110
dB
bass treble at 12dB;
a-weighted; VO = 2.6VRMS
96
100
dB
d
Distortion
VIN = 1VRMS; all stages 0dB
0.002
0.1
%
VIN = 1VRMS; Bass & Treble = 12dB
0.05
0.1
%
SC
Channel separation Left/Right
80
100
dB
ET
Total Tracking Error
AV = 0 to -20dB
-1
0
1
dB
AV = -20 to -60dB
-2
0
2
dB
BUS INPUTS
VIL
Input Low Voltage
d = 0.3%
0.8
V
VIH
Input High Voltage
2.5
V
IIN
Input Current
VIN = 0.4V
-5
5
A
VO
Output Voltage SDA
Acknowledge
IO = 1.6mA
0.4
V
TDA7400
6/28
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