TDA7851A Просмотр технического описания (PDF) - STMicroelectronics
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TDA7851A Datasheet PDF : 15 Pages
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Electrical specifications
Table 4.
Symbol
Electrical characteristics (continued)
Parameter
Test condition
eNo
SVR
fch
Ri
CT
Output noise
Supply voltage rejection
High cut-off frequency
Input impedance
Cross talk
ISB Standby current consumption
Ipin5
VSB out
VSB in
AM
VM out
VM in
Standby pin current
Standby out threshold voltage
Standby in threshold voltage
Mute attenuation
Mute out threshold voltage
Mute in threshold voltage
VAM in VS automute threshold
Ipin23 Muting pin current
Offset detector
"A" Weighted
Bw = 20 Hz to 20 kHz
f = 100 Hz; Vr = 1 Vrms
PO = 0.5 W
-
f = 1 kHz, PO = 4 W
f = 10 kHz, PO = 4 W
VSt-by = 1.2 V
VSt-by = 0
VSt-by = 1.2 V to 2.6 V
(Amp: ON)
(Amp: OFF)
POref = 4 W
(Amp: Play)
(Amp: Mute)
(Amp: Mute)
Att ≥ 80 dB; POref = 4 W
(Amp: Play)
Att < 0.1 dB; PO = 0.5 W
VMUTE = 1.2 V
(Sourced current)
VMUTE = 2.6 V
VOFF Detected differential output offset
VOFF_SAT Off detector saturation voltage
VOFF_LK Off detector leakage current
Clipping detector
VSt-by = 5 V
Vo > ±3 V, Ioff Det = 1 mA
0 V < Voff Det < 18 V
Vo < ±1 V
CDLK Clip detector high leakage current
CDSAT Clip detector saturation voltage
CDTHD Clip detector THD level
1. Saturated square wave output
Cd off
DC On; ICD = 1 mA
-
TDA7851A
Min. Typ. Max. Unit
35
µV
-
50 100 µV
50 70
-
dB
100 300
-
kHz
70 100 130 kΩ
60 70
-
dB
60
-
dB
-
-
20 µA
-
-
10 µA
-
-
±1 µA
2.6
-
-
V
-
-
1.2
V
80 90
-
dB
2.6
-
-
V
-
-
1.2
V
6.7
7
V
-
7.5
8
V
7
12 18 µA
-5
-
18 µA
±1 ±2 ±3
V
-
0.2 0.4
V
-
0
15 µA
-
0
1
µA
-
0.2 0.4
V
-
2
-
%
8/15
Doc ID 17715 Rev 1
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