TDA7850A STMicroelectronics, TDA7850A Datasheet - Page 8

• Manufacturer Part Number: TDA7850A
• Description: IC AMP QUAD BRIDGE FLEXIWATT25
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7850A

• 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

Electrical specifications
Table 4.
8/16
HSD section
Symbol
V
P
V
V
V
V
THD
SVR
V
I
dropout
I
o max.
SB out
pin23
I
e
I
A
M out
AM in
P
C
pin5
SB in
f
prot
R
M in
SB
ch
No
M
o
T
i
Output power
Max. output power
Distortion
Output noise
Supply voltage rejection
High cut-off frequency
Input impedance
Cross talk
Standby current consumption
Standby pin current
Standby out threshold voltage
Standby in threshold voltage
Mute attenuation
Mute out threshold voltage
Mute in threshold voltage
V
Muting pin current
Dropout voltage
Current limits
S
Electrical characteristics (continued)
(Refer to the test and application diagram, V
T
automute threshold
amb
= 25 °C; unless otherwise specified).
Parameter
(1)
P
(Amp: ON)
P
(Amp: Mute)
V
V
V
V
V
V
V
P
P
"A" Weighted
Bw = 20 Hz to 20 kHz
f = 100 Hz; V
f = 1 kHz; P
f = 10 kHz; P
V
V
V
(Amp: OFF)
(Amp: Play)
(Amp: Mute)
Att
(Amp: Play)
Att < 0.1 dB; P
V
(Sourced Current)
V
I
O
S
S
S
S
S
S
S
o
o
O
ST-BY
ST-BY
ST-BY
Oref
MUTE
MUTE
= 0.35 A; V
= 4 W
= 15 W; R
= 13.2 V; THD = 10 %
= 13.2 V; THD = 1 %
= 14.4 V; THD = 10 %
= 14.4 V; THD = 1 %
= 14.4 V; THD = 10 %, 2 Ω
= 14.4 V; R
= 14.4 V; R
≥
= 0.5 W
80 dB; P
= 4W
= 1.5 V
= 3.5 V
= 1.5 V
= 0V
= 1.5V to 3.5V
Test condition
O
O
L
r
= 4 W
Oref
S
= 1 Vrms
L
L
O
= 2 Ω
= 4 W
= 9 to 16 V
= 4 Ω
= 2 Ω
= 0.5 W
S
= 4 W
= 14.4 V; R
L
= 4 Ω; R
Min.
2.75
100
400
3.5
6.5
23
16
28
20
50
50
80
60
80
-5
7
g
0.006
0.015
= 600 Ω; f = 1 kHz;
Typ.
0.25
300
100
7.5
25
19
30
23
55
50
85
35
50
75
70
60
90
12
7
Max.
0.02
0.03
120
800
1.5
1.5
0.6
50
70
20
10
±1
18
18
8
-
-
TDA7850A
Unit
KHz
mA
KΩ
μV
dB
dB
μA
μA
dB
μA
μA
W
W
W
%
V
V
V
V
V
V