參數(shù)資料
型號(hào): TDA7407
廠商: STMICROELECTRONICS
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.40 MM HEIGHT, LQFP-44
文件頁數(shù): 3/46頁
文件大?。?/td> 692K
代理商: TDA7407
Obsolete
Product(s)
- Obsolete
Product(s)
TDA7407
Audio processor part
2.1.7
Mute functions
Direct mute
Digitally controlled softmute with 4 programmable mute time.
2.2
Electrical characteristics
.
Table 5.
Audio processor electrical characteristics
(VS = 9V; Tamb = 25°C; RL = 10KΩ; 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
Ω
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
Ω
Common mode
70
100
130
K
Ω
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
mV
Differential phone input
Rin
Input resistance
Differential
40
56
K
Ω
CMRR
Common mode rejection
ratio
VCM = 1VRMS @ 1KHz
40
70
dB
VCM = 1VRMS @ 10KHz
40
60
dB
Volume control
GMAX
Max gain
13
15
17
dB
AMAX
Max attenuation
70
79
dB
ASTEP
Step resolution
0.5
1
1.5
dB
EA
Attenuation set error
G = -20 to 20dB
-1.25
0
1.25
dB
G = -60 to 20dB
-4
0
3
dB
ET
Tracking error
2
dB
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