SA5752 Datasheet, PDF (10/13 Pages) NXP Semiconductors – Audio processor - companding, VOX and amplifier section

Philips Semiconductors
Audio processor – companding, VOX and amplifier section
Product specification
SA5752
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Temperature and Supply Voltage
4.00
3.75
3.50
V_CC = 5.5V
3.25
V_CC = 3V
3.00
V_CC = 2.7V
2.75
V_CC = 2V
2.50
2.25
2.00
–50 –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90 100
TEMPERATURE (°C)
Power Down Supply Current vs
Temperature and Supply Voltage
0.40
0.35
0.30
0.25
V_CC = 5.5V
0.20
0.15
V_CC = 3V
0.10
V_CC = 2.7V
0.05
V_CC = 2V
0.00
–50 –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90 100
TEMPERATURE (°C)
THD vs Temperature for 3V Supply
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
COMPRESSOR
0.2
EXPANDOR
0.1
0.0
–50 –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90 100
TEMPERATURE (°C)
Compandor Tracking Error vs Input Level
1.0
0.8
0.6
0.4
0.2
EXPANDOR
0.0
–0.2
COMPRESSOR
–0.4
–0.6
–0.8
–1.0
–45 –40 –35 –30 _–25 –20 _{–15 –10 –5 0 5}
INPUT LEVEL (dB)
10 ¹⁵ 20 25
Unity Gain Error vs Temperature
1.5
1.5
1.25
1.25
1.00
1.00
Unity Gain Error vs Supply Voltage
EXPANDOR
0.75
0.75
0.50
0.50
0.25
COMPRESSOR
0.25
0.00
0.00
–0.25
–0.50
EXPANDOR
–0.25
–0.50
–0.75
–0.75
–1.00
–1.25
–1.00
–1.25
COMPRESSOR
–1.50
–1.50
–50 –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90 100
TEMPERATURE (°C)
1.5
2.0
2.5
3.0 3.5
4.0
4.5
5.0
5.5 6.0
SUPPLY VOLTAGE (V)
SR00664
Figure 8. Typical Performance Characteristics
1997 Nov 07
10