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THS4500 Datasheet, PDF (13/37 Pages) Texas Instruments – WIDEBAND, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIERS | |||
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THS4500
THS4501
SLOS350D â APRIL 2002 â REVISED JANUARY 2004
TYPICAL CHARACTERISTICS (±5 V Graphs)
OPEN-LOOP GAIN
vs
CASE TEMPERATURE
58
57
RL = 800 â¦
VS = ±5 V
56
55
54
53
52
51
50
49
â40â30â20â10 0 10 20 30 40 50 60 70 80 90
Case Temperature â °C
Figure 37
INPUT BIAS AND OFFSET CURRENT
vs
CASE TEMPERATURE
3.4
3.3 VS = ±5 V
0
IIBâ
â0.01
3.2
3.1
IIB+
â0.02
â0.03
3
â0.04
2.9
â0.05
2.8
IOS
â0.06
2.7
â0.07
2.6
â0.08
2.5
â0.09
â40â30â20â10 0 10 20 30 40 50 60 70 80 90
Case Temperature â °C
Figure 38
QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
35
TA = 85°C
30
TA = 25°C
25
TA = â40°C
20
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 39
INPUT OFFSET VOLTAGE
vs
CASE TEMPERATURE
7
VS = ±5 V
6
5
4
3
2
1
0
â40 â30â20â10 0 10 20 30 40 50 60 70 80 90
Case Temperature â °C
Figure 40
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 â5 â4 â3 â2 â1 0 1 2 3 4 5 6
Input Common-Mode Voltage Range â V
Figure 41
OUTPUT DRIVE
vs
CASE TEMPERATURE
200
VS = ±5 V
150
Source
100
50
0
â50
â100
Sink
â150
â40â30â20â10 0 10 20 30 40 50 60 70 80 90
Case Temperature â °C
Figure 42
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 = 392 â¦
â30 VS = ±5 V
â40
â50
HD2-SE
â60
HD2
-Diff
â70
â80
HD3-SE
HD3-Diff
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 43
SMALL SIGNAL FREQUENCY RESPONSE
at VOCM
3
Gain = 1
2
RL = 800 â¦
Rf = 392 â¦
PIN= â20 dBm
1 VS = ±5 V
0
â1
â2
â3
1
10
100
f â Frequency â MHz
1000
Figure 44
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 45
13
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