TDA8579T Просмотр технического описания (PDF) - Philips Electronics
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TDA8579T Datasheet PDF : 13 Pages
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Philips Semiconductors
Dual common-mode rejection
differential line receiver
Product specification
TDA8579
CHARACTERISTICS
VCC = 8.5 V; Tamb = 25 °C; f = 1 kHz; measured in test circuit of Fig.3; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX.
VCC
ICC
VO
tset
Gv
αcs
∆Gv
fL
fH
Zi
Zo
Vi(max)
Vno
VCM(rms)
CMRR
SVRR
THD
THDmax
supply voltage
5.0
8.5
18
supply current
−
11
14
DC output voltage
note 1
−
4.3
−
DC input voltage settling time
−
0.2
−
voltage gain
−0.5
0
+0.5
channel separation
Rs = 5 kΩ
70
80
−
channel unbalance
−
−
0.5
low frequency roll-off
−1 dB; note 2
20
−
−
high frequency roll-off
−1 dB
20
−
−
input impedance
100
240
−
output impedance
−
−
10
maximum input voltage
THD = 1%
−
2.0
−
noise output voltage
Rs = 0 Ω; note 3
−
3.7
5.0
common-mode input voltage
−
−
1.0
(RMS value)
common-mode rejection ratio
Rs = 5 kΩ
Rs = 0 Ω; note 4
66
70
−
−
80
−
supply voltage ripple rejection note 5
55
65
−
note 6
−
60
−
total harmonic distortion
Vi = 1 V;
−
0.02
−
Vi = 1 V;
−
−
0.1
f = 20 Hz to 20 kHz
total harmonic distortion at
Vi = 1 V; RL = 150 Ω
−
−
1
maximum output current
UNIT
V
mA
V
s
dB
dB
dB
Hz
kHz
kΩ
Ω
V
µV
V
dB
dB
dB
dB
%
%
%
Notes
1. The DC output voltage with respect to ground is approximately 0.5VCC.
2. The frequency response is externally fixed by the input coupling capacitors.
3. The noise output voltage is measured in a bandwidth of 20 Hz to 20 kHz (unweighted).
4. The common-mode rejection ratio is measured at the output with a voltage source 1 V (RMS) in accordance with the
test circuit (see Fig.3) while VINL and VINR are short-circuited. Frequencies between 100 Hz and 100 kHz.
5. The ripple rejection is measured at the output, with Rs = 2 kΩ, f = 1 kHz and a ripple amplitude of 2 V (p-p).
6. The ripple rejection is measured at the output, with Rs = 0 to 2 kΩ, f = 100 Hz to 20 kHz and a maximum ripple
amplitude of 2 V (p-p).
1995 Dec 15
5
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