TFA9843AJ_1
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Preliminary data sheet
Rev. 01 — 28 April 2006
7 of 19
Philips Semiconductors
TFA9843AJ
20 W stereo power amplifier with volume control
11. Static characteristics
[1]
A minimum load of 3
Ω
is allowed at supply voltages > 22 V.
[2]
The DC output voltage with respect to ground is approximately 0.5V
CC
.
12. Dynamic characteristics
Table 8.
Static characteristics
V
CC
= 18 V; T
amb
= 25
°
C; R
L
= 4
Ω
; V
I(VC)
= V
CC
; V
i
= 0 V; measured in test circuit of
;
unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
V
CC
supply voltage
operating
9
18
28
V
I
q
quiescent current
R
L
=
∞
-
60
100
mA
I
CC(stb)
standby supply current
V
CC
= 18 V;
V
I(VC)
<
0.8 V
-
-
150
µ
A
V
O
output voltage
-
9
-
V
V
I(VC)
input voltage on pin VC On mode (maximum
gain)
5.0
-
V
CC
V
Volume control mode
1.5
-
5.0
V
Mute mode
1.2
-
1.5
V
Standby mode
0
-
0.8
V
I
I(VC)
input current on pin VC 0 V < V
I(VC)
< V
CC
-
-
20
µ
A
Table 9.
Dynamic characteristics SE
V
CC
= 18 V; T
amb
= 25
°
C; R
L
= 4
Ω
; f = 1 kHz; V
I(VC)
= V
CC
; measured in test circuit of
;
unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
P
o
output power
THD = 10 %; R
L
= 4
Ω
7
8.5
-
W
THD = 0.5 %; R
L
= 4
Ω
-
6.5
-
W
V
CC
= 22 V;
THD = 10 %; R
L
= 4
Ω
-
14
-
W
THD
total harmonic
distortion
P
o
= 1 W
-
0.1
0.5
%
G
v(max)
maximum voltage gain
V
I(VC)
> 5.0 V
25
26
27
dB
∆
G
v
voltage gain range
1.5 V < V
I(VC)
< 5.0 V
-
80
-
dB
V
i
input voltage
gain = 0 dB;
THD < 1 %
1.0
-
V
Z
i
input impedance
40
60
-
k
Ω
V
n(o)
noise output voltage
-
150
-
µ
V
SVRR
supply voltage ripple
rejection
f
ripple
= 1 kHz
-
60
-
dB
f
ripple
= 100 Hz to
20 kHz
-
60
-
dB
V
o(mute)
mute output voltage
-
-
150
µ
V
α
cs
channel separation
Z
S
= 0
Ω
50
60
-
dB
|∆
G
v(max)
|
maximum voltage gain
difference
-
-
1
dB