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TDA7342N Folha de dados(PDF) 7 Page - STMicroelectronics

Nome de Peças TDA7342N
Descrição Electrónicos  Digitally controlled audio processor
PDF  20 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7342N Folha de dados(HTML) 7 Page - STMicroelectronics

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TDA7342
Electrical specifications
7/20
Gstep
Step resolution
2.75
3.75
4.75
dB
e
N
Input noise
20Hz to 20 KHz unweighted
2.3
μV
VDC
DC Steps
Adjacent gain steps
1.5
10
mV
GIINto GIMAX
3
mV
Differential input (IN 3)
RI
Input resistance
Input selector BIT D6 = 0
(0dB)
10
15
20
K
Ω
Input selector BIT D6 = 1(-
6dB)
14
20
30
K
Ω
CMRR
Common mode rejection
ratio
VCM = 1VRMS; f =1KHz
48
75
dB
f = 10KHz
45
70
dB
d
Distortion
VI= 1VRMS
0.01
0.08
%
e
IN
Input noise
20Hz to 20KHz; Flat; D6 = 0
5
μV
GDIFF
Differential gain
D6 = 0
-1
0
1
dB
D6 = 1
-7
-6
-5
dB
Volume control
RI
Input resistance
35
50
K
Ω
GMAX
Maximum gain
18.75
20
21.25
dB
AMAX
Maximum attenuation
57.7
59.7
62.7
dB
ASTEPC
Step resolution coarse
attenuation
0.5
1.25
2.0
dB
ASTEPF
Step resolution fine
attenuation
0.11
0.31
0.51
dB
EA
Attenuation set error
G = 20 to -20dB
-1.25
0
1.25
dB
G = -20 to -58dB
-3
2
dB
Et
Tracking error
2
dB
VDC
DC Steps
Adjacent attenuation Steps
-3
0
3
mV
From 0dB to AMAX
0.5
5
mV
Loudness control
RI
Internal resistor
Loud = On
35
50
65
K
Ω
AMAX
Maximum attenuation
17.5
18.75
20.0
dB
Astep
Step resolution
0.5
1.25
2.0
dB
Zero crossing mute
Table 4.
Electrical characteristics (continued)
(VS = 9V; RL = 10KΩ; Rg = 50Ω; Tamb = 25°C; all gains = 0dB; f = 1KHz. Refer
to the test circuit, unless otherwise specified.)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit



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