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THS4521 Datasheet(PDF) 18 Page - Texas Instruments

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Part # THS4521
Description  THS4561 Low-Power, High Supply Range, 60-MHz, Fully Differential Amplifier
PDF  51 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

THS4521 Datasheet(HTML) 18 Page - Texas Instruments

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7.9 Typical Characteristics: (VS+) – (VS–) = 3-V to 12-V Supply Range (continued)
at TA ≈ 25°C, VOCM pin = open, RF = 1.5 kΩ, RL = 1 kΩ, VO = 2 VPP, 50-Ω input match, G = 1 V/V, PD = VS+, single-ended
input, differential output, and input and output referenced to default midsupply for AC-coupled tests (unless otherwise noted);
see Figure 8-1 for a gain of 1-V/V test circuit.
Frequency (Hz)
-12
-9
-6
-3
0
3
6
100k
1M
10M
VS = 12 V, VO = 10 mVPP
VS = 5 V, VO = 10 mVPP
VS = 3 V, VO = 10 mVPP
VS = 5 V, VO = 0.1 VPP
VS = 12 V, VO = 1 VPP
VS = 5 V, VO = 1 VPP
.
Figure 7-47. Common-Mode Voltage, Small-Signal and Large-
Signal Response (VOCM Pin Driven)
Frequency (Hz)
10
100
1000
5000
100
1k
10k
100k
1M
10M
D057
VS = 3 V, VOCM floating
VS = 3 V, VOCM driven
VS = 5 V, VOCM floating
VS = 5 V, VOCM driven
VS = 12 V, VOCM floating
VS = 12 V, VOCM driven
The VOCM pin is either driven to midsupply by low-impedance
source or allowed to float and default to midsupply
Figure 7-48. Output Common-Mode (VOCM) Noise vs Frequency
Time, 100 ns per division
-70
-60
-50
-40
-30
-20
-10
0
10
20
30
40
50
60
70
D056
VS = 3 V
VS = 5 V
VS = 12 V
VOCM pin driven, 0.1-V VOCM step
Figure 7-49. Common-Mode Voltage Small-Signal Step
Response
Time (ns)
0
200
400
600
800
1000
1200
1400
1600
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
D074
VS = 3 V
VS = 5 V
VS = 12 V
VOCM pin driven, 1-V VOCM step
Figure 7-50. Common-Mode Voltage Large-Signal Step
Response
Frequency (Hz)
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
10
100
1k
10k
100k
1M
10M
D051
Small-Signal
Large-Signal, VO = 2 VPP
Simulated
Figure 7-51. Output Balance vs Frequency
Frequency (Hz)
30
40
50
60
70
80
90
100
110
120
130
140
150
1k
10k
100k
1M
10M
100M
D053
CMRR
PSRR+
PSRR
Simulated
Figure 7-52. CMRR and PSRR vs Frequency
THS4561
SBOS874C – AUGUST 2017 – REVISED DECEMBER 2020
www.ti.com
18
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Copyright © 2020 Texas Instruments Incorporated
Product Folder Links: THS4561



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