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ADA4254ACPZ-R7 数据表(PDF) 19 Page - Analog Devices

部件名 ADA4254ACPZ-R7
功能描述  Zero Drift, High Voltage, Low Power, Programmable Gain Instrumentation Amplifier
PDF  59 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADA4254ACPZ-R7 数据表(HTML) 19 Page - Analog Devices

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Data Sheet
ADA4254
Rev. B | Page 19 of 59
–40
–30
–20
–10
0
10
20
30
40
50
1
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
128V/V
64V/V
32V/V
16V/V
8V/V
4V/V
2V/V
1V/V
1/2V/V
1/4V/V
1/8V/V
1/16V/V
Figure 55. Small Signal Frequency Response
–100
–90
–80
–70
–60
–50
–40
–30
10
100
1k
10k
FREQUENCY (Hz)
NOTE: FLAT PORTION OF THE CURVES
IS DOMINATED BY NOISE
DIFFERENTIAL OUTPUT
VOLTAGE = 8V p-p
GAIN = 128V/V
GAIN = 8V/V
GAIN = 1/2V/V
GAIN = 1V/V
Figure 56. Total Harmonic Distortion Plus Noise (THD + N) vs. Frequency with
100 kHz Filter, Differential Load Resistor (RL, DIFF) = 5 kΩ
–110
–100
–90
–80
–70
–60
–50
–40
–30
10
100
1k
10k
FREQUENCY (Hz)
DIFFERENTIAL OUTPUT
VOLTAGE = 8V p-p
GAIN = 128V/V
GAIN = 8V/V
GAIN = 1/2V/V
GAIN = 1V/V
Figure 57. THD vs. Frequency, RL, DIFF = 5 kΩ
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
–12
–9
–6
–3
0
3
6
GAIN = 1.375V/V
GAIN = 1.25V/V
GAIN = 1V/V
Figure 58. VOCM Small Signal Frequency Response
–100
–90
–80
–70
–60
–50
–40
–30
–20
0.1
1
10
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
GAIN = 128V/V
GAIN = 8V/V
GAIN = 1/2V/V
GAIN = 1V/V
NOTE: THD + N BECOMES DOMINATED BY
NOISE AS OUTPUT SIGNAL SIZE REDUCES
INPUT FREQUENCY = 1kHz
Figure 59. THD + N vs. Differential Output Voltage with 100 kHz Filter,
RL, DIFF = 5 kΩ
7
8
9
10
11
12
13
14
–40
–20
0
20
40
60
80
100
120
TEMPERATURE (°C)
AVDD = +2.7V SOURCING
AVDD = +2.7V SINKING
AVDD = +5V SINKING
AVDD = +5V SOURCING
Figure 60. Sinking/Sourcing Short-Circuit Output Current vs. Temperature



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