Datasheet

TL441
LOGARITHMIC AMPLIFIER
SLVS328 – OCTOBER 2000
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
†
Figure 5
DIFFERENTIAL OUTPUT OFFSET VOLTAGE
vs
FREE-AIR TEMPERATURE
T
A
– Free-Air Temperature – °C
60
50
40
30
20
10
0
– 75 – 50 – 25 0 25 50 75 100 125
Differential Output Offset Voltage – mV
V
CC±
= ±6 V
See Figure 1
Figure 6
QUIESCENT OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
T
A
– Free-Air Temperature – °C
– 75 – 50 – 25 0 25 50 75 100 125
8
7
6
5
4
3
2
1
0
Quiescent Output Voltage – V
V
CC±
= ±6 V
See Figure 2
Figure 7
T
A
– Free-Air Temperature – °C
– 75 – 50 – 25 0 25 50 75 100 125
12
10
8
6
4
2
0
DC SCALE FACTOR
vs
FREE-AIR TEMPERATURE
DC Scale Factor (Differential Output) – mV/dBV
V
CC±
= ±6 V
See Figure 3
Figure 8
T
A
– Free-Air Temperature – °C
– 75 – 50 – 25 0 25 50 75 100 125
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
DC ERROR
vs
FREE-AIR TEMPERATURE
DC Error at Midpoint of 30-dBV Range – dBV
V
CC±
= ±6 V
See Figure 3
†
Data at high and low temperatures are applicable only within the recommended operating free-air temperature ranges of the various devices.