Philips Semiconductors
TFA9843J
2-channel audio amplifier (2 x SE or 1 x BTL)
4. Quick reference data
Table 1: Quick reference data
Symbol
Parameter
Conditions
Min
Typ
Max Unit
VCC
supply voltage
operating
no signal
9
18
26
V
-
-
28
V
Iq
Istb
Po
THD
Gv
quiescent supply current
standby supply current
SE output power
BTL output power
total harmonic distortion
voltage gain
VCC = 18 V; RL = ∞
-
-
THD = 10 %; RL = 4 Ω; VCC = 18 V 7
THD = 10 %; RL = 4 Ω; VCC = 22 V -
THD = 10 %; RL = 8 Ω; VCC = 18 V 16
THD = 10 %; RL = 8 Ω; VCC = 22 V -
SE; Po = 1 W
-
BTL; Po = 1 W
-
SE
25
BTL
31
60
100
mA
-
10
µA
8.5
-
W
14
-
W
18
-
W
29
-
W
0.1
0.5
%
0.05 0.5
%
26
27
dB
32
33
dB
SVRR
supply voltage ripple
rejection
SE; f = 1 kHz
BTL; f = 1 kHz
-
60
-
dB
-
65
-
dB
5. Ordering information
Table 2: Ordering information
Type number Package
Name
Description
TFA9843J
DBS9P
plastic DIL-bent-SIL power package; 9 leads (lead length 12/11 mm);
exposed die pad
Version
SOT523 -1
9397 750 12587
Preliminary data
Rev. 02 — 19 January 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
2 of 21