TDA7850 STMicroelectronics, TDA7850 Datasheet - Page 8

• 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

Electrical specifications
3.3
Table 4.
8/18
Symbol
P
V
V
V
dV
THD
SVR
V
V
dG
I
o max.
SB out
e
I
A
M out
I
G
P
C
pin5
SB in
f
R
M in
SB
q1
ch
OS
No
M
OS
o
T
v
i
v
Quiescent current
Output offset voltage
During mute ON/OFF output
offset voltage
During Standby ON/OFF output
offset voltage
Voltage gain
Channel gain unbalance
Output power
Max. output power
Distortion
Output noise
Supply voltage rejection
High cut-off frequency
Input impedance
Cross talk
Standby current consumption
ST-BY pin current
Standby out threshold voltage
Standby in threshold voltage
Mute attenuation
Mute out threshold voltage
Mute in threshold voltage
Electrical characteristics
Electrical characteristics
(Refer to the test and application diagram, V
T
amb
= 25 °C; unless otherwise specified).
Parameter
(1)
Play mode / Mute mode
P
V
(Amp: ON)
P
(Amp: Mute)
R
ITU R-ARM weighted
see
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
(Amp: OFF)
(Amp: Play)
S
S
S
S
S
S
S
o
o
O
ST-BY
ST-BY
ST-BY
Oref
L
= 4W
= 15W; 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
Figure 20
= 4 W
= 1.5 V
= 0 V
= 1.5 V to 3.5 V
Test condition
O
O
L
= 4 W
r
= 2Ω
= 1Vrms
= 4 W
L
L
= 4 Ω
= 2 Ω
S
= 14.4 V; R
L
= 4 Ω; R
Min.
2.75
100
100
-10
-10
3.5
25
23
16
28
20
50
50
80
60
80
g
0.006
0.015
= 600 Ω; f = 1 kHz;
Typ.
180
300
100
26
25
19
30
23
55
50
85
35
50
75
70
60
90
Max.
0.02
0.03
±50
+10
+10
280
120
1.5
1.5
27
±1
50
70
20
10
±1
-
-
TDA7850
Unit
KHz
mA
mV
mV
mV
KΩ
dB
dB
μV
dB
dB
μA
μA
dB
W
W
W
%
V
V
V
V