TDA7448 STMicroelectronics, TDA7448 Datasheet - Page 3

• Manufacturer Part Number: TDA7448
• Description: IC, VOLUME CNTRL, 6CH, 20SO
• Manufacturer: STMicroelectronics

Specifications of TDA7448

• Audio Control Type: Volume
• Control Interface: I2C
• Operating Temperature Range: 0°C To +70°C
• Audio Ic Case Style: SO
• No. Of Pins: 20
• Svhc: No SVHC (15-Dec-2010)
• Base Number: 7448
• Control / Process: RoHS Compliant
• Supply Voltage Range: 4.75V To 10V
• Rohs Compliant: Yes

Table 5. Electrical Characteristcs
(refer to the test circuit T
SUPPLY
INPUT STAGE
VOLUME CONTROL
AUDIO OUTPUTS
GENERAL
BUS INPUT
Symbol
C
A
A
A
V
SVR
RANGE
THD
V
V
E
V
S/N
VMAX
R
S
STEP
V
V
E
S
V
E
mute
CLIP
R
V
I
I
DC
DC
NO
IN
CL
S
IN
IH
IN
O
C
S
A
T
L
Il
Supply Voltage
Supply Current
Ripple Rejection
Input Resistance
Clipping Level
Input Separation
Control Range
Max. Attenuation
Step Resolution
Attenuation Set Error
Tracking Error
DC Step
Mute Attenuation
Clipping Level
Output Load Resistance
DC Voltage Level
Output Noise
Signal to Noise Ratio
Channel Separation left/Right
Distortion
Input Low Voltage
Input High Voltage
Input Current
Output Voltage SDA
Achnowledge
Parameter
amb
= 25°C, V
S
= 9V, R
THD = 0.3%
The selected input is grounded
through a 2.2 capacitor
A
A
A
A
adyacent attenuation steps
THD = 0.3%
BW = 20Hz to 20KHz
All gains = 0dB, Flat
All gains = 0dB; V
A
V
I
O
V
V
V
V
V
IN
= 1.6mA
= 0 to -24dB
= -24 to -79dB
= 0 to -24dB
= -24 to -79dB
= 0; V
= 0.4V
L
= 10K , R
Test Condition
I
= 1Vrms
O
= 1Vrms
G
= 600 , unless otherwise specified)
Min.
4.75
-2.0
0.5
2.5
35
80
-1
-1
-2
-3
-5
2
2
2
Typ.
0.01
100
2.5
2.5
4.5
0.4
80
50
90
79
79
90
10
90
9
7
1
0
0
0
0
0
Max.
1.5
2.0
0.1
0.8
10
65
15
1
1
2
3
1
5
TDA7448
Vrms
Vrms
Unit
mA
mV
K
K
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
db
%
V
V
V
V
V
V
A
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