TDA7461N
ELECTRICAL CHARACTERISTICS
(continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
BEEP CONTROL
V
RMS
f
BMIN
f
BMAX
Beep Level
Lower Beep Frequency
Higher Beep Frequency
250
570
1.15
350
600
1.2
500
630
1.25
mV
Hz
KHz
MIXING CONTROL
M
LEVEL
Mixing Level
Source
Source
Source
Beep/Phone
-1
-5
-10
-1
0
-6
-12
0
1
-7
-14
1
dB
dB
dB
dB
VOLUME CONTROL
G
MAX
A
MAX
A
STEP
E
A
E
T
V
DC
Max Gain
Max Attenuation
Step Resolution
Attenuation Set Error
Tracking Error
DC Steps
Adjacent Attenuation Steps
From 0dB to G
MIN
-3
-7
0.1
0.5
G = -20 to 20dB
G = -60 to 20dB
19
-83
0.5
-1.25
-4
20
-79
1
0
0
21
-75
1.5
1.25
3
2
3
+7
dB
dB
dB
dB
dB
dB
mV
mV
LOUDNESS CONTROL
A
STEP
A
MAX
f
CMIN
f
CMAX
Step Resolution
Max. Attenuation
Lower Center Frequency
Higher Center Frequency
0.5
-16
180
360
1
-15
200
400
1.5
-14
220
440
dB
dB
Hz
Hz
SOFT MUTE
A
MUTE
T
D
Mute Attenuation
Delay Time
T1
T2
T3
T4
V
THlow
V
THhigh
R
PU
V
PU
Low Threshold for SM Pin
Internal Pull-up Resistor
Pull-up Voltage
1
60
100
0.48
0.96
1
2
60
600
1
dB
ms
ms
ms
ms
V
V
K鈩?/div>
V
20
200
2.5
70
40.4
324
High Threshold for SM Pin
100
4.7
130
SOFT STEP
T
SW
Switch Time
5
10
15
ms
1) The SM pin is active low (Mute = 0)
5/31
prev
next