TDA7342EQ2N Datasheet, PDF (8/21 Pages) STMicroelectronics – Digitally controlled audio processor

Electrical specifications
TDA7342EQ2N
3.4
Electrical characteristics
Table 4.
Symbol
Electrical characteristics
(V_S = 9V; R_L = 10KΩ; R_g = 50Ω; T_amb = 25°C; all gains = 0dB; f = 1KHz. Refer to the test
circuit, unless otherwise specified.)
Parameter
Test Condition
Min. Typ. Max. Unit
INPUT SELECTOR
R_I
V_CL
S_I
R_L
G_{I MIN}
G_{I MAX}
G_step
e_N
Input Resistance
Clipping Level
Input Separation
Output Load Resistance
Minimum Input Gain
Maximum Input Gain
Step Resolution
Input Noise
V_DC DC Steps
DIFFERENTIAL INPUT ( IN 3)
d ≤ 0.3%
20Hz to 20 KHz unweighted
Adiacent Gain Steps
G_IINto G_IMAX
R_I Input Resistance
CMRR Common Mode Rejection Ratio
d Distortion
e_IN Input Noise
G_DIFF Differential Gain
Input selector BIT D6 = 0 (0dB)
Input selector BIT D6 = 1(-6dB)
V_CM = 1V_RMS; f =1KHz
f = 10KHz
V_I= 1V_RMS
20Hz to 20KHz; Flat; D6 = 0
D6 = 0
D6 = 1
VOLUME CONTROL
R_I
G_MAX
A_MAX
A_STEPC
A_STEPF
E_A
Input Resistance
Maximum Gain
Maximum Attenuation
Step Resolution Coarse Atten.
Step Resolution Fine Attenuation
Attenuation Set Error
G = 20 to -20dB
G = -20 to -58dB
E_t Tracking Error
V_DC DC Steps
Adiacent Attenuation Steps
From 0dB to A_MAX
70
2.1
80
2
-0.75
10.25
2.75
100
2.6
100
0
11.25
3.75
2.3
1.5
3
130
0.75
12.25
4.75
10
KΩ
V_RMS
dB
KΩ
dB
dB
dB
µV
mV
mV
10
15
20
KΩ
14
20
30
KΩ
48
75
dB
45
70
dB
0.01 0.08 %
5
µV
-1
0
1
dB
-7
-6
-5
dB
35
50
KΩ
18.75 20 21.25 dB
57.7 59.7 62.7 dB
0.5 1.25 2.0
dB
0.11 0.31 0.51 dB
-1.25 0
1.25 dB
-3
2
dB
2
dB
-3
0
3
mV
0.5
5
mV
8/21