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TDA8551 Datasheet(PDF) 6 Page - NXP Semiconductors

Part No. TDA8551
Description  1 W BTL audio amplifier with digital volume control
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA8551 Datasheet(HTML) 6 Page - NXP Semiconductors

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1998 Feb 23
6
Philips Semiconductors
Product specification
1 W BTL audio amplifier with digital volume control
TDA8551
CHARACTERISTICS
VP =5V; Tamb =25 °C; RL =8 Ω; VMODE = 0 V; total gain setting at +7 dB (unless otherwise specified); measured in
test circuit of Fig.4.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
DC characteristics
VP
supply voltage
2.7
5
5.5
V
Iq
quiescent current
RL = ∞; note 1
610
mA
Istb
standby current
VMODE =VP
−−
10
µA
VO
DC output voltage
note 2
2.5
V
V
OUT+ − VOUT
differential output offset
−−
50
mV
Mode select pin
VMODE
input voltage
standby mode
VP − 0.5
VP
V
mute mode
1
VP − 1.4
V
operating mode
0
0.5
V
IMODE
input current
0 < VMODE <VP
−−
100
nA
α
mute attenuation
note 3
80
90
dB
Volume control
trep
pulse repetition time
100
−−
ns
Vth(UP)
UP/DOWN pin up threshold level
4.2
VP
V
Vfloat(max)
UP/DOWN pin floating high level
−−
3.4
V
Vfloat(min)
UP/DOWN pin floating low level
1.0
−−
V
Vth(DOWN)
UP/DOWN pin down threshold level
0
0.6
V
IUP/DOWN
input current UP/DOWN pin
0 < VUP/DOWN <VP
−−
200
µA
Gv(max)
maximum voltage gain (including
power amplifier)
19
20
21
dB
Gv(min)
minimum voltage gain (including
power amplifier)
−62
−60
−58
dB
nvol
number of volume steps
64
∆G
v
voltage gain variation per step
1.25
dB
Zi
input impedance
14
20
k
Vi(rms)(max)
maximum input voltage (RMS value)
−−
2.0
V
AC characteristics (f = 1 kHz)
Po
output power
THD = 10%
1
1.4
W
THD = 0.5%
0.6
1.0
W
THD
total harmonic distortion
Po = 0.5 W; note 4
0.15
0.5
%
Vn(o)
noise output voltage
note 5
60
100
µV
SVRR
supply voltage ripple rejection
note 6
48
53
dB
Vi(IN)(max)
maximum input voltage on pin IN
THD = 1%;
Gv = −50 dB
to 0 dB
−−
2.0
V


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