TDA7340G Datasheet, PDF (5/27 Pages) STMicroelectronics – AUDIO SIGNAL PROCESSOR

TDA7340G
ELECTRICAL CHARACTERISTICS (continued.)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
DIFFERENTIAL CD STEREO INPUT
RI
Input Resistance
Input selector BIT D6 = 0 (0dB) 10
15
20
KΩ
Input selector BIT D6 = 1(-6dB) 14
20
30
KΩ
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
%
eIN
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
DIFFERENTIAL TELEPHONE MONO INPUT
RI
Input Resistance
CMRR Common Mode Rejection Ratio VCM = 1VRMS ; f = 1KHz
d
Distortion
VI = 1VRMS
eIN
Input Noise
20Hz to 3 KHz; Flat
GDIFF
Differential Gain
14
20
26
KΩ
45
60
dB
0.15 0.5
%
10
µV
-4.75 -3.75 -2.75 dB
VOLUME CONTROL
RI
Input Resistance (INR, INL)
C_MAX
Max Gain
A_MAX
ASTEPC
Max Attenuation
Step Resolution Coarse
Attenuation
ASTEPF
Step Resolution Fine
Attenuation
EA
Attenuation Set Error
E_T
Tracking Error
VDC
DC Steps
G = -20 to 20dB
G = -20 to -59.7dB
Adjacent Attenuation Steps
from 0dB to A_MAX
24
35
46
KΩ
18.75 20 21.25 dB
57.7 59.7 62.7 dB
0.50 1.25 2.00 dB
0.11 0.31 0.51 dB
-1.25
0
1.25 dB
3
2
dB
2
dB
-3
0.1
3
mV
0.5
5
mV
LOUDNESS CONTROL (LOUDL, LOUDR)
RI
Internal Resistance
A_STEP
Step Resolution
A_MAX
Max Attenuation
35
50
65
KΩ
0.5 1.25 2.0
dB
17.5 18.75 20.0 dB
ZERO CROSSING MUTE
VTH
Zero Crossing Threshold (1)
A_MUTE
V_DC
Mute Attenuation
DC Step
WIN = 11
WIN = 10
WIN = 01
WIN = 00
0dB to Mute
20
mV
40
mV
80
mV
160
mV
80
100
dB
0.3
3
mV
SOFT MUTE
A_MUTE
t_D
Mute Attenuation
Delay Time
CEXT = 22nF;
0 to -20dB;
45
60
dB
I = IMAX 0.8
1.5
2.0
ms
I = IMIN
15
25
45
ms
SOFT MUTE AT PHONE-GND
V_il
Input Low Voltage
1.4
1.6
V
(1) WIN represents the MUTE programming bit pair D6,D5 for the zero crossing window threshold
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