TDA7437 STMicroelectronics, TDA7437 Datasheet - Page 4

• Manufacturer Part Number: TDA7437
• Manufacturer: STMicroelectronics

Specifications of TDA7437

• Lead Free Status / Rohs Status: Not Compliant

TDA7437
ELECTRICAL CHARACTERISTICS (AV
all gains = 0dB; f = 1KHz. Refer to the test circuit, unless otherwise specified.)
4/23
INPUT SELECTOR (MONO AND STEREO INPUTS)
DIFFERENTIAL INPUT (Pin 5, 6, 13, 14)
VOLUME CONTROL
LOUDNESS CONTROL (Pin 4, 12)
ZERO CROSSING MUTE
Symbol
A
CMRR
G
A
G
G
G
A
A
G
A
V
STEPC
V
V
V
V
E
MUTE
e
R
I MAX
E
MAX
R
S
I MIN
R
R
E
R
MAX
DIFF
MAX
step
step
d
CL
DC
DC
DC
TH
IN
A
L
a
I
t
I
I
I
I
Input Resistance
Clipping Level
Input Separation
Output Load Resistance
Minimum Input Gain
Maximum Input Gain
Step Resolution
Set Error
DC Steps
Input Resistance
Common Mode Rejection Ratio
Distortion
Input Noise
Differential Gain
Input Resistance
Maximum Gain
Maximum Attenuation
Step Resolution Coarse Atten.
Attenuation Set Error
Tracking Error
DC Steps
Internal Resistor
Maximum Attenuation
Step Resolution
Zero Crossing Threshold
(note 1)
Mute Attenuation
DC Step
Parameter
DD
, DV
pin 7 to 11 and 15 to 18
d
Adiacent Gain Steps
G
Input selector BIT D4 = 0 (0dB)
Input selector BIT D4 = 1(-6dB)
V
V
20Hz to 20KHz; Flat; D6 = 0
D4 = 0
D4 = 1
Pin 2 and 20
G = 16 to -20dB
G = -20 to -63dB
Adjacent Gain Steps
Adjacent Attenuation Steps
From 0dB to A
Loud = On
WIN = 11
WIN = 10
WIN = 01
WIN = 00
0dB to Mute
CM
I
IMIN
= 1V
0.3%
DD
= 1V
to G
RMS
= 9V; R
Test Condition
RMS
IMAX
;
MAX
L
f =1KHz
= 10K ; R
g
= 50 ; T
-0.75
-2.75
Min.
-1.0
-1.0
2.1
0.5
0.5
0.5
70
80
14
10
14
45
31
15
61
35
19
80
-1
-7
-5
-3
2
amb
63.75
Typ.
0.01
100
110
220
100
2.6
1.0
0.5
1.0
0.5
0.1
95
15
15
20
70
44
16
50
20
30
60
-6
0
0
3
0
0
1
5
= 25 C;
+0.75
Max.
0.08
66.5
2.75
130
1.0
1.5
1.5
1.0
1.5
16
10
20
26
57
17
+5
+3
65
21
-5
1
2
5
3
V
Unit
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
K
K
K
K
K
K
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
RMS
%
V