NE577 Philips Semiconductors, NE577 Datasheet - Page 2

• Manufacturer Part Number: NE577
• Description: Unity Gain Level Programmable Low Power Compandor
• Manufacturer: Philips Semiconductors

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DataSheet
Philips Semiconductors
ELECTRICAL CHARACTERISTICS
T
R1, R2 and R3 are 1% resistors.
NOTE:
1. Operation down to V
2. Reference voltage, V
3. Unity gain level can be adjusted CONTINUOUSLY between –40dBV = 10mV
1993 Dec 15
SYMBOL
SYMBOL
A
Unity gain level programmable low power compandor
= 25 C, V
V
AN1762.
THD
V
E
0dB
V
I
V
V
R
REF
CC
NO
CC
OS
O
O
L
4
CC
Supply voltage
Supply current
Reference voltage
Summing amp output load
Total harmonic distortion
Expandor output noise voltage
Unity gain level
Programmable range
Output voltage offset
Expandor output DC shift
Tracking error relative to 0dB output
Crosstalk, COMP to EXP
Output swing low
Output swing high
U
= 3.6VDC, compandor 0dB level = –20dBV = 100mV
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CC
REF
PARAMETER
PARAMETER
= 1.8V is possible, see application note AN1762.
1
, is typically at 1/2 V
2
3
CC
.
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R1 = R3 = 18.7k , R2 = 24.3k
R1 = R3 = 22.6k , R2 = 100k
R1 = R3 = 7.15k , R2 = 100k
R1 = R3 = 1.33k , R2 = 200k
1kHz, 0dB, BW = 3.5kHz
1kHz, 0dB, C
BW = 20kHz, R
TEST CONDITIONS
TEST CONDITIONS
No signal to 0dB
-20dB expandor
0dB at 1kHz
R
V
No signal
No signal
2
CC
1436
RMS
= 100k
= 3.6V
, output load R
REF
S
= 10 F
= 0
RMS
and 0dBV = 1.0V
L
= 10k , Freq = 1kHz, unless otherwise specified.
–150
–100
MIN
–1.5
–1.0
1.7
10
2
RMS
. For details see application note
NE/SA577
V
LIMITS
CC
TYP
0.25
0.18
–10
–20
–40
–80
3.6
1.4
1.8
0.3
0.2
10
0
1
7
– 0.2
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NE/SA577
Product specification
MAX
150
100
–65
1.9
1.5
1.5
1.0
25
7
2
4U.com
4U
4U
UNITS
UNITS
dBV
dBV
dBV
mA
mV
mV
k
dB
dB
dB
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.com
%
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V
V
V
V
V