TDA7850 STMicroelectronics, TDA7850 Datasheet - Page 9

• Manufacturer Part Number: TDA7850
• Description: IC AMP QUAD BRIDGE FLEXIWATT25
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7850

• Output Type: 4-Channel (Quad)
• Max Output Power X Channels @ Load: 85W x 4 @ 2 Ohm
• Voltage - Supply: 8 V ~ 18 V
• Features: Mute, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Through Hole
• Package / Case: 25-Flexiwatt (bent and staggered leads)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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