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參數(shù)資料
| 型號： | SA577N |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | Unity gain level programmable low power compandor |
| 中文描述： | COMPANDER, PDIP14 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 64K |
| 代理商： | SA577N |
Philips Semiconductors RF Communications Products
Product specification
NE/SA577
Unity gain level programmable low power compandor
December 15, 1993
3
ELECTRICAL CHARACTERISTICS
T
A
= 25
°
C, V
CC
= 3.6VDC, compandor 0dB level = –20dBV = 100mV
RMS
, output load R
L
= 10k
, Freq = 1kHz, unless otherwise specified.
R1, R2 and R3 are 1% resistors.
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
NE/SA577
UNITS
MIN
TYP
MAX
V
CC
Supply voltage
1
2
3.6
7
V
I
CC
Supply current
No signal
R
2
= 100k
V
CC
= 3.6V
1.4
2
mA
V
REF
R
L
THD
Reference voltage
2
1.7
1.8
1.9
V
Summing amp output load
Total harmonic distortion
10
k
%
1kHz, 0dB, BW = 3.5kHz
0.25
1.5
E
NO
0dB
Expandor output noise voltage
BW = 20kHz, R
S
= 0
0dB at 1kHz
10
25
μ
V
Unity gain level
–1.5
0.18
1.5
dB
Programmable range
3
R1 = R3 = 18.7k
, R2 = 24.3k
0
dBV
R1 = R3 = 22.6k
, R2 = 100k
R1 = R3 = 7.15k
, R2 = 100k
R1 = R3 = 1.33k
, R2 = 200k
–10
dBV
–20
dBV
–40
dBV
V
OS
Output voltage offset
No signal
–150
1
150
mV
Expandor output DC shift
No signal to 0dB
–100
7
100
mV
Tracking error relative to 0dB output
-20dB expandor
–1.0
0.3
1.0
dB
Crosstalk, COMP to EXP
1kHz, 0dB, C
REF
= 10
μ
F
–80
–65
dB
O
Output swing low
0.2
V
Output swing high
V
CC
– 0.2
V
NOTE:
1. Operation down to V
CC
= 1.8V is possible, see application note AN1762.
2. Reference voltage, V
REF
, is typically at 1/2 V
CC
.
3. Unity gain level can be adjusted CONTINUOUSLY between –40dBV = 10mV
RMS
and 0dBV = 1.0V
RMS
. For details see application note
AN1762.
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