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THS4502 Datasheet, PDF (13/40 Pages) Texas Instruments – WIDEBAND, LOW-DISTORTION FULLY DIFFERENTIAL AMPLIFIERS | |||
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THS4502
THS4503
SLOS352D â APRIL 2002 â REVISED JANUARY 2004
TYPICAL CHARACTERISTICS (±5 V Graphs)
INPUT BIAS AND OFFSET CURRENT
vs
CASE TEMPERATURE
2.25
VS = ±5 V
2
IIBâ
0.14
0.13
1.75
0.12
1.5
0.11
IIB+
1.25
0.1
1
0.75
IOS
0.09
0.08
0.5
0.07
0.25
0.06
0
0.05
â40â30â20â10 0 10 20 30 40 50 60 70 80 90
Case Temperature â °C
Figure 37
QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
35
TA = 85°C
30
25
TA = 25°C
20
TA = â40°C
15
10
5
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
VS â Supply Voltage â ±V
Figure 38
INPUT OFFSET VOLTAGE
vs
CASE TEMPERATURE
2.5
VS = ±5 V
2
1.5
1
0.5
0
â40 â30â20â10 0 10 20 30 40 50 60 70 80 90
Case Temperature â °C
Figure 39
COMMON-MODE REJECTION RATIO
vs
INPUT COMMON-MODE RANGE
110
100 VS = ±5 V
90
80
70
60
50
40
30
20
10
0
â10
â6 â4 â2 0
2
4
6
Input Common-Mode Voltage Range â V
Figure 40
DIFFERENTIAL OUTPUT CURRENT DRIVE
vs
CASE TEMPERATURE
200
VS = ±5 V
150
Source
100
50
0
â50
Sink
â100
â150
â40â30â20â10 0 10 20 30 40 50 60 70 80 90
Case Temperature â °C
Figure 41
HARMONIC DISTORTION
vs
OUTPUT COMMON-MODE VOLTAGE
0
Single-Ended and Differential
â10 Input to Differential Output
â20 Gain = 1, VO = 2 VPP
f= 8 MHz, Rf = 499 â¦
â30 VS = ±5 V
â40
â50
HD3-SE and Diff
â60
HD2-Diff
â70
HD2-SE
â80
â90
â100
â3.5 â2.5 â1.5 â0.5 0.5 1.5 2.5 3.5
VOC â Output Common-Mode Voltage â V
Figure 42
SMALL SIGNAL FREQUENCY RESPONSE
AT VOCM
3
Gain = 1
2
RL = 800 â¦
Rf = 499 â¦
PIN= â20 dBm
1 VS = ±5 V
0
â1
â2
â3
1
10
100
f â Frequency â MHz
1000
Figure 43
OUTPUT OFFSET VOLTAGE AT VOCM
vs
OUTPUT COMMON-MODE VOLTAGE
600
400
200
0
â200
â400
â600
â5 â4 â3 â2 â1 0 1 2 3 4 5
VOC â Output Common-Mode Voltage â V
Figure 44
QUIESCENT CURRENT
vs
POWER-DOWN VOLTAGE
30
25
20
15
10
5
0
â5
â5 â4.5 â4 â3.5 â3 â2.5 â2 â1.5 â1 â0.5 0
Power-Down Voltage â V
Figure 45
13
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