TDA8547 Philips Semiconductors, TDA8547 Datasheet - Page 8

• Manufacturer Part Number: TDA8547
• Description: 2 x 1 W BTL audio amplifier with output channel switching
• Manufacturer: Philips Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
V
unless otherwise specified.
Notes
1. Gain of the amplifier is
2. The noise output voltage is measured at the output in a frequency range from 20 Hz to 20 kHz (unweighted), with a
3. Supply voltage ripple rejection is measured at the output, with a source impedance of R
4. Supply voltage ripple rejection is measured at the output, with a source impedance of R
5. Output voltage in mute position is measured with a 1 V (RMS) input voltage in a bandwidth of 20 Hz to 20 kHz,
6. Channel separation is measured at the output with a source impedance of R
1997 Oct 07
P
THD
G
Z
V
SVRR
V
CC
i
o
no
o
cs
2
channel switching
v
SYMBOL
source impedance of R
The ripple voltage is a sine wave with a frequency of 1 kHz and an amplitude of 100 mV (RMS), which is applied to
the positive supply rail.
The ripple voltage is a sine wave with a frequency between 100 Hz and 20 kHz and an amplitude of 100 mV (RMS),
which is applied to the positive supply rail.
so including noise.
1 kHz. The output power in the operating channel is set to 0.5 W.
= 5 V; T
1 W BTL audio amplifier with output
amb
output power
total harmonic distortion
closed loop voltage gain
differential input impedance
noise output voltage
supply voltage ripple rejection
output voltage
channel separation
= 25 C; R
L
S
2
= 8 ; f = 1 kHz; V
PARAMETER
= 0
R2
------- -
R1
at the input.
in BTL application circuit Fig.4.
MODE
= 0 V; gain = 20 dB; measured in BTL application circuit Fig.4;
THD = 10%
THD = 0.5%
P
note 1
note 2
note 3
note 4
note 5
V
o
SELECT
8
= 0.5 W
CONDITIONS
= 0.5V
CC
; note 6 40
S
= 0
1
0.6
6
50
40
MIN.
at the input and a frequency of
S
S
1.2
0.9
0.15
100
= 0
= 0
TYP.
Preliminary specification
at the input.
at the input.
TDA8547
0.3
30
100
200
MAX.
W
W
%
dB
k
dB
dB
dB
UNIT
V
V