SA577 Philips, SA577 Datasheet - Page 5

• Manufacturer Part Number: SA577
• Description: Unity gain level programmable power compandor
• Manufacturer: Philips

Philips Semiconductors
TYPICAL PERFORMANCE CHARACTERISTICS
V
1997 Nov 07
CC
Unity gain level programmable low power compandor
= 3.6V, T
-0.2
-0.4
-0.6
1.8
1.6
1.4
1.2
0.8
0.6
-0.5
0.6
0.4
0.2
0.5
A
1
-1
0
1
0
= 25 C, R1=R3=7.15k , R2=100k , 0dB level = 100mV, Freq. = 1kHz
1
2
2
UNITY GAIN ERROR vs SUPPLY VOLTAGE
SUPPLY CURRENT vs SUPPLY VOLTAGE
NOTE: UNITY GAIN ERROR MAY BE
SET TO 0 AT ANY V
ADJUSTING THE VALUE OF R1, R3
TRACKING ERROR vs INPUT LEVEL
2
3
COMPRESSOR
3
3
EXPANDOR
COMPRESSOR
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
INPUT LEVEL (dB)
4
CC
4
BY
4
5
5
Figure 3. Typical Performance Characteristics
NOTE: RELATIVE
TO UNITY GAIN
6
5
EXPANDOR
6
7
8
7
6
5
-0.2
-0.4
-0.6
1.6
1.5
1.4
1.3
1.2
1.1
0.6
0.4
0.2
0.5
0.4
0.3
0.2
0.1
1
0
-40
-40
-40
UNITY GAIN ERROR vs TEMPERATURE
SUPPLY CURRENT vs TEMPERATURE
-20
-20
-20
EXPANDOR
COMPRESSOR
THD vs TEMPERATURE
AMBIENT TEMPERATURE ( C)
0
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
20
20
20
COMPRESSOR
40
40
40
60
60
60
EXPANDOR
Product specification
80
80
80
SA577
100
100
100
SR00715