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THS4505 Datasheet, PDF (13/45 Pages) Texas Instruments – WIDEBAND, LOW-DISTORTION, FULLY DIFFERENTIAL AMPLIFIERS | |||
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THS4504
THS4505
www.ti.com ......................................................................................................................................................... SLOS363D â AUGUST 2002 â REVISED MAY 2008
TYPICAL CHARACTERISTICS: ±5 V (continued)
OUTPUT VOLTAGE
vs
LOAD RESISTANCE
5
4
3
2
1
VS = ±5 V
0
TA = â40 to 85°C
â1
â2
â3
â4
â5
10
100
1000
RL â Load Resistance â â¦
Figure 28.
10000
CLOSED-LOOP OUTPUT
IMPEDANCE
vs
FREQUENCY
100
Gain = 1
RL = 400 â¦
Rf = 499 â¦
VI = â4 dBm
10 VS = ±5 V
1
0.1
0.1
1
10
100
f â Frequency â MHz
Figure 29.
HARMONIC DISTORTION
vs
OUTPUT COMMON-MODE
VOLTAGE
0
Single-Ended to
â10 Differential Output
â20 Gain = 1
VO = 2 VPP
â30 Rf = 499 â¦
â40 VS = ±5 V
â50
HD3, 30 MHz HD2, 30 MHz
â60
â70
HD2, 8 MHz
â80
HD2, 3 MHz
â90
â100
â3.5 â2.5 â1.5 â0.5 0.5 1.5 2.5 3.5
VOCM â Output Common-Mode Voltage â V
Figure 30.
SMALL-SIGNAL FREQUENCY
RESPONSE AT VOCM
3
Gain = 1
2
RL = 400 â¦
Rf = 499 â¦
PIN= â20 dBm
1 VS = ±5 V
0
â1
â2
â3
1
10
100
f â Frequency â MHz
Figure 31.
1000
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 32.
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 33.
TURN-ON AND
TURN-OFF DELAY TIME
0.03
0.02
0.01
Current
0
0
â1
â2
â3
â4
â5
â6
0 0.5 1 1.5 2 2.5 3 100.5 101 102 103
t â Time â ms
Figure 34.
SINGLE-ENDED OUTPUT IMPEDANCE
IN POWER-DOWN
vs
FREQUENCY
1500
1200
900
600
300
0
0.1
Gain = 1
RL = 800 â¦
Rf = 499 â¦
VI = â1 dBm
VS = ±5 V
1
10
100
f â Frequency â MHz
Figure 35.
1000
Copyright © 2002â2008, Texas Instruments Incorporated
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