Datasheet

TDA7850 Electrical specifications
9/18
V
AM in
V
S
automute threshold
(Amp: Mute)
Att
 80 dB; P
Oref
= 4 W
(Amp: Play)
Att < 0.1 dB; P
O
= 0. 5W
6.5 7
7.5 8
V
I
pin23
Muting pin current
V
MUTE
= 1.5 V
(Sourced Current)
71218A
V
MUTE
= 3.5 V -5 18 A
HSD section
V
dropout
Dropout voltage I
O
= 0.35 A; V
S
= 9 to 16 V 0.25 0.6 V
I
prot
Current limits 400 800 mA
Offset detector (Pin 25)
V
M_ON
Mute voltage for DC offset
detection enabled
V
ST-BY
= 5 V
8V
V
M_OFF
6V
V
OFF
Detected differential output offset V
ST-BY
= 5 V; V
mute
= 8 V ±2 ±3 ±4 V
V
25_T
Pin 25 voltage for detection =
TRUE
V
ST-BY
= 5 V; V
mute
= 8 V
V
OFF
> ±4 V
01.5V
V
25_F
Pin 25 Voltage for detection =
FALSE
V
ST-BY
= 5 V; V
mute
= 8 V
V
OFF
> ±2 V
12 V
1. Saturated square wave output.
Table 4. Electrical characteristics (continued)
(Refer to the test and application diagram, V
S
= 14.4 V; R
L
= 4 ; R
g
= 600 ; f = 1 kHz;
T
amb
= 25 °C; unless otherwise specified).
Symbol Parameter Test condition Min. Typ. Max. Unit
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