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AD210 查看數據表(PDF) - Analog Devices

零件编号AD210 ADI
Analog Devices ADI
产品描述 (功能)Precision, Wide Bandwidth 3-Port Isolation Amplifier
AD210 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
AD210
Phase Shift: Figure 10 illustrates the AD210’s low phase shift
and gain versus frequency. The AD210’s phase shift and wide
bandwidth performance make it well suited for applications like
power monitors and controls systems.
60
0
40
–20
φG = 1
20
–40
φG = 100
0
–60
–20
–80
–40
–100
–60
–120
–80
–140
10
100
1k
10k
100k
FREQUENCY – Hz
Figure 10. Phase Shift and Gain vs. Frequency
Input Noise vs. Frequency: Voltage noise referred to the input
is dependent on gain and signal bandwidth. Figure 11 illustrates
the typical input noise in nV/Hz of the AD210 for a frequency
range from 10 to 10 kHz.
60
50
40
30
20
10
+0.04
+8
+0.03
+6
+0.02
+4
+0.01
+2
0
0
–0.01
–2
–0.02
–4
–0.03
–6
–0.04
–10 –8
–6 –4 –2 0 +2 +4 +6
OUTPUT VOLTAGE SWING – Volts
–8
+8 +10
Figure 12. Gain Nonlinearity Error vs. Output
100
0.01
90
0.009
80
0.008
70
0.007
60
0.006
50
0.005
40
0.004
30
0.003
20
0.002
10
0.001
0
0.000
0 2 4 6 8 10 12 14 16 18 20
TOTAL SIGNAL SWING – Volts
Figure 13. Gain Nonlinearity vs. Output Swing
Gain vs. Temperature: Figure 14 illustrates the AD210’s
gain vs. temperature performance. The gain versus temperature
performance illustrated is for an AD210 configured as a unity
gain amplifier.
0
10
100
1k
10k
FREQUENCY – Hz
Figure 11. Input Noise vs. Frequency
Gain Nonlinearity vs. Output: Gain nonlinearity is defined as the
deviation of the output voltage from the best straight line, and is
specified as % peak-to-peak of output span. The AD210B provides
guaranteed maximum nonlinearity of ±0.012% with an output span of
±10 V. The AD210’s nonlinearity performance is shown in Figure 12.
Gain Nonlinearity vs. Output Swing: The gain nonlinearity
of the AD210 varies as a function of total signal swing. When
the output swing is less than 20 volts, the gain nonlinearity as a
fraction of signal swing improves. The shape of the nonlinearity
remains constant. Figure 13 shows the gain nonlinearity of the
AD210 as a function of total signal swing.
400
200
G=1
0
–200
–400
–600
–800
–1000
–1200
–1400
–1600
–25
0
+25
+50
+70 +85
TEMPERATURE – °C
Figure 14. Gain vs. Temperature
REV. A
–5–
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GENERAL DESCRIPTION
The AD210 is the latest member of a new generation of low cost, high performance isolation amplifiers. This three-port, wide bandwidth isolation amplifier is manufactured with surface-mounted components in an automated assembly process. The AD210 combines design expertise with state-of-the-art manufacturing technology to produce an extremely compact and economical isolator whose performance and abundant user features far exceed those offered in more expensive devices.
The AD210 provides a complete isolation function with both signal and power isolation supplied via transformer coupling internal to the module. The AD210’s functionally complete design, powered by a single +15 V supply, eliminates the need for an external DC/DC converter, unlike optically coupled isolation devices. The true three-port design structure permits the AD210 to be applied as an input or output isolator, in single or multichannel applications. The AD210 will maintain its high performance under sustained common-mode stress.
Providing high accuracy and complete galvanic isolation, the AD210 interrupts ground loops and leakage paths, and rejects common-mode voltage and noise that may other vise degrade measurement accuracy. In addition, the AD210 provides protection from fault conditions that may cause damage to other sections of a measurement system.

FEATURES
  High CMV Isolation: 2500 V rms Continuous
                          ±3500 V Peak Continuous
  Small Size: 1.00" x 2.10" x 0.350"
  Three-Port Isolation: Input, Output, and Power
  Low Nonlinearity: ±0.012% max
  Wide Bandwidth: 20 kHz Full-Power (–3 dB)
  Low Gain Drift: ±25 ppm/8C max
  High CMR: 120 dB (G = 100 V/V)
  Isolated Power: ±15 V @ ±5 mA
  Uncommitted Input Amplifier
 
APPLICATIONS
  Multichannel Data Acquisition
  High Voltage Instrumentation Amplifier
  Current Shunt Measurements
  Process Signal Isolation

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