TDA7403D STMicroelectronics, TDA7403D Datasheet - Page 4

• Manufacturer Part Number: TDA7403D
• Description: IC PROCESSOR BASIC SIGNAL SO-20
• Manufacturer: STMicroelectronics
• Type: Car Signal Processorr

Specifications of TDA7403D

• Applications: Automotive Systems
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7403
AUDIO PROCESSOR PART
Input Multiplexer
Volume control
Soft-step gain control
Bass Control
ELECTRICAL CHARACTERISTICS (V
unless otherwise specified).
4/25
INPUT SELECTOR
VOLUME CONTROL
SOFT MUTE
Symbol
MPX input
Cassette stereo input
AM mono
1dB attenuator
Max. gain 20dB
Max. attenuation 79dB
2nd order frequency response
Center frequency programmable in 4(5) steps
G
G
V
A
V
G
A
G
A
R
IN MAX
V
V
THhigh
V
V
IN MIN
S
MUTE
THlow
R
STEP
E
E
T
STEP
MAX
MAX
DC
DC
CL
PU
PU
IN
D
in
A
T
Input Resistance
Clipping Level
Input Separation
Min. Input Gain
Max. Input Gain
Step Resolution
DC Steps
Max Gain
Max Attenuation
Step Resolution
Attenuation Set Error
Tracking Error
DC Steps
Mute Attenuation
Delay Time
Low Threshold for SM Pin
High Threshold for SM Pin
Internal Pull-up Resistor
Pull-up Voltage
Parameter
(1)
S
= 9V; T
all inputs except Phone
Adjacent Gain Step
G
G = -20 to 20dB
G = -60 to 20dB
Adjacent Attenuation Steps
From 0dB to G
T1
T2
T3
T4
MIN
to G
amb
Test Condition
MAX
= 25°C; R
Treble Control
Speaker Control
Mute Functions
MIN
DC gain programmable
7 x 2dB steps
2nd order frequency response
Center frequency programmable in 4 steps
7 x 2dB steps
4 independent speaker controls (1dB steps
control range 50dB)
Direct mute driven by pin SM
Digitally controlled softmute with 4 program-
mable time constants
L
= 10K ; all gains = 0dB; f = 1KHz;
-1.25
Min.
2.2
2.5
70
80
70
70
-1
-4
Typ.
0.48
0.96
40.4
100
100
100
100
324
2.6
0.1
0.5
4.7
14
20
79
0
0
2
0
1
1
0
Max.
1.25
130
130
1
3
2
3
5
1
V
Unit
K
mV
mV
mV
mV
K
ms
ms
ms
ms
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
RMS
V
V
V