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: 23/28页
文件大小: 274K
代理商: TDA7400
AUDIO PROCESSOR PART
Input Multiplexer
Quasi-differential CD and cassette stereo input
AM mono input
Phone differential input
Multiplexer signal after In-Gain available at
separate pins
Volume control
1dB attenuator
Max. gain 15dB
Max. attenuation 79dB
Bass Control
2nd order frequency response
Center frequency programmable in 4(5) steps
DC gain programmable
±15 x 1dB steps
Treble Control
2nd order frequency response
Center frequency programmable in 4 steps
±15 x 1dB steps
Speaker Control
4 independent speaker controls in 1dB steps
max gain 15dB
max. attenuation 79dB
Mute Functions
Direct mute
Digitally controlled softmute with 4 programmable
mute time
ELECTRICAL CHARACTERISTICS (VS = 9V; Tamb = 25°C; RL = 10K
; all gains = 0dB; f = 1KHz;
unless otherwise specified).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
INPUT SELECTOR
Rin
Input Resistance
all inputs except Phone
70
100
130
K
VCL
Clipping Level
2.2
2.6
VRMS
SIN
Input Separation
80
100
dB
GIN MIN
Min. Input Gain
-1
0
1
dB
GIN MAX
Max. Input Gain
13
15
17
dB
GSTEP
Step Resolution
0.5
1
1.5
dB
VDC
DC Steps
Adjacent Gain Step
-5
0.5
5
mV
GMIN to GMAX
-10
5
10
mV
DIFFERENTIAL CD STEREO INPUT
Rin
Input Resistance
Differential
70
100
130
K
Common Mode
70
100
130
K
CMRR
Common Mode Rejection Ratio
VCM = 1VRMS @ 1KHz
45
70
dB
VCM = 1VRMS @ 10KHz
45
60
dB
eN
Output Noise @ Speaker
Outputs
20Hz to 20KHz flat; all stages
0dB
615
V
DIFFERENTIAL PHONE INPUT
Rin
Input Resistance
Differential
40
56
K
CMRR
Common Mode Rejection Ratio
VCM = 1VRMS @ 1KHz
40
70
dB
VCM = 1VRMS @ 10KHz
40
60
dB
TDA7400
4/28
相关PDF资料
PDF描述
TDA7402TR SPECIALTY CONSUMER CIRCUIT, PQFP44
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TDA7403DTR SPECIALTY CONSUMER CIRCUIT, PDSO20
TDA7404DTR 1 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
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