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TDA7437N Datasheet(PDF) 9 Page - STMicroelectronics

Part # TDA7437N
Description  Digitally controlled audio processor
PDF  34 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7437N Datasheet(HTML) 9 Page - STMicroelectronics

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TDA7437N
Electrical characteristics
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Electrical characteristics
(AVDD, DVDD = 9V; RL = 10KΩ; Rg = 50Ω; Tamb = 25°C; all gains = 0dB; f = 1KHz. Refer to the
test circuit, unless otherwise specified.)
Table 4.
Electrical characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Input selector (mono and stereo inputs)
RI
Input resistance
pin 7 to 11 and 15 to 18
70
100
130
K
Ω
VCL
Clipping level
d
≤ 0.3%
2.1
2.6
VRMS
SI
Input separation
80
95
dB
RL
Output load resistance
2
K
Ω
GI MIN
Minimum input gain
-0.75
0
+0.75
dB
GI MAX
Maximum input gain
14
15
16
dB
Gstep
Step resolution
0.5
1.0
1.5
dB
Ea
Set error
-1.0
0
1.0
dB
VDC
DC steps
Adjacent gain steps
0.5
10
mV
GIMIN to GIMAX
3mV
Differential input (Pin 5, 6, 13, 14)
RI
Input resistance
Input selector BIT D4 = 0
(0dB)
10
15
20
K
Ω
Input selector BIT D4 = 1(-
6dB)
14
20
26
K
Ω
CMRR
Common mode rejection
ratio
VCM = 1VRMS ; f = 1KHz
45
70
dB
d
Distortion
VI = 1VRMS
0.01
0.08
%
eIN
Input noise
20Hz to 20KHz; Flat; D6 =
0
5
μV
GDIFF
Differential gain
D4 = 0
-1
0
1
dB
D4 = 1
-7-6-5
dB
Volume control
RI
Input resistance
Pin 2 and 20
31
44
57
K
Ω
GMAX
Maximum gain
15
16
17
dB
AMAX
Maximum attenuation
61
63.75
66.5
dB
ASTEPC Step resolution coarse atten.
0.5
1.0
1.5
dB
EA
Attenuation set error
G = 16 to -20dB
-1.0
0
1.0
dB
G = -20 to -63dB
-2.75
2.75
dB
Et
Tracking error
2
dB



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