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參數(shù)資料
| 型號： | TDA8574T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通用總線功能 |
| 英文描述： | Class-H high-output voltage level line driver |
| 中文描述： | DUAL LINE DRIVER, PDSO16 |
| 封裝： | 7.50 MM, PLASTIC, SO-16 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大小： | 141K |
| 代理商： | TDA8574T |
1998 Oct 16
6
Philips Semiconductors
Product specification
Class-H high-output voltage level line
driver
TDA8574
DC CHARACTERISTICS
V
CC
= 9 V; T
amb
= 25
°
C; R
L
= 10 k
; in accordance with application diagram (see Fig.3).
Note
1.
The DC output voltage with respect to ground is
≈
0.87
×
V
CC.
AC CHARACTERISTICS
V
CC
= 9 V; f = 1 kHz; R
L
= 10 k
;
T
= 25
°
C; in accordance with test circuit (see Fig.3); note 1.
Notes
1.
The channel separation is determined by the parasitic capacitance between the inverting input left channel (pin 4)
and the inverting input right channel (pin 5). The PCB layout has a major contribution to the parasitic capacitance.
To obtain best results, the PCB tracks to pin 4 and pin 5 should be separated as much as possible.
The frequency response is externally fixed by the input coupling capacitors.
Noise output voltage is measured in a bandwidth of 20 Hz to 20 kHz with a source resistor R
s
= 600
.
Noise output voltage is measured in a bandwidth of 20 Hz to 20 kHz with an A-weighted filter with a source resistor
R
s
= 600
.
Distortion is measured at a frequency of 1 kHz using an A-weighted filter.
Distortion is measured at an output voltage of 3.0 V (RMS) at frequencies between 17 Hz and 20 kHz.
Ripple rejection is measured at the output, using a source resistor R
s
= 600
and a ripple amplitude of
100 mV (RMS) at a frequency of 1 kHz.
Ripple rejection is measured at the output, using a source resistor R
s
= 600
and a ripple amplitude of
100 mV (RMS) at frequencies between 20 Hz and 20 kHz.
2.
3.
4.
5.
6.
7.
8.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
CC
I
CC
V
O
supply voltage
supply current
DC output voltage
V
in
= 0 V
6
9
8
7.8
12
13
V
mA
V
note 1
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
G
v
G
v
α
cs
f
lr
f
hr
Z
i
Z
o
V
o(max)(rms)
voltage gain
channel unbalance
channel separation
low frequency roll-off
high frequency roll-off
input impedance
output impedance
maximum output voltage
(RMS value)
noise output voltage
7.5
80
20
22
5.0
8
90
30
5.2
8.5
0.5
5
38
10
dB
dB
dB
Hz
kHz
k
V
R
s
= 600
; V
o(rms)
= 1 V; note 1
1 dB; note 2
1 dB
THD + N = 0.1%
V
no
unweighted; note 3
A-weighted; note 4
f = 1 kHz; V
o
= 3 V (RMS); note 5
f = 17 Hz to 20 kHz; note 6
note 7
f = 20 Hz to 20 kHz; note 8
50
7
5
0.003
0.01
65
55
9
0.01
μ
V
μ
V
%
%
dB
dB
THD + N
total harmonic distortion plus
noise
SVRR
supply voltage ripple rejection
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