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AD8028ARMZ 데이터 시트보기 (PDF) - Analog Devices

부품명AD8028ARMZ ADI
Analog Devices ADI
상세내역Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers


AD8028ARMZ Datasheet PDF : 24 Pages
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G = +2
VIN (200mV/DIV)
VOUT – 2VIN (2mV/DIV)
+0.1%
–0.1%
5μs/DIV
03327-A-033
Figure 34. Long-Term Settling Time
VIN (200mV/DIV)
VOUT (400mV/DIV)
+0.1%
VOUT – 2VIN (0.1%/DIV)
–0.1%
20ns/DIV
03327-A-034
Figure 35. 0.1% Short-Term Settling Time
4.5
–6.5
4.0
SELECT = HIGH
3.5 VS = ±5V
VS = +3V
–7.0
VS = +5V
–7.5
3.0
SELECT = TRI
–8.0
2.5
–8.5
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
03327-A-035
Figure 36. Input Bias Current vs. Temperature
AD8027/AD8028
–10
–8
–6
SELECT = TRI
–4
–2
VS = +5V
0
2
VS = ±5V
4
VS = +3V
6
SELECT = HIGH
8
10
012345678
INPUT COMMON-MODE VOLTAGE (V)
9 10
03327-A-036
Figure 37. Input Bias Current vs. Input Common-Mode Voltage
250
COUNT = 1780
SELECT HIGH TRI
MEAN 49μV 55μV
200 STD. DEV 193μV 150μV
150
100
SELECT = TRI
SELECT = HIGH
50
0
–800
–600
–400 –200 0
200 400
INPUT OFFSET VOLTAGE (μV)
600 800
03327-A-037
Figure 38. Input Offset Voltage Distribution
360
340
320
300
280
260
240
220
200
180
160
140
120
100
80
60
–40
SELECT = TRI
VS = ±5V
VS = +3V
SELECT = HIGH
VS = +5V
–25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
03327-A-038
Figure 39. Input Offset Voltage vs. Temperature
Rev. C | Page 13 of 24
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GENERAL DESCRIPTION
The AD8027/AD80281 are high speed amplifiers with rail-to-rail input and output that operate on low supply voltages and are optimized for high performance and wide dynamic signal range. The AD8027/AD8028 have low noise (4.3 nV/√Hz, 1.6 pA/√Hz) and low distortion (120 dBc at 1 MHz). In applications that use a fraction of, or the entire input dynamic range and require low distortion, the AD8027/AD8028 are ideal choices.

FEATURES
High speed
  190 MHz, –3 dB bandwidth (G = +1)
  100 V/μs slew rate
Low distortion
  120 dBc @ 1 MHz SFDR
  80 dBc @ 5 MHz SFDR
Selectable input crossover threshold
Low noise
  4.3 nV/√Hz
  1.6 pA/√Hz
Low offset voltage: 900 μV max
Low power: 6.5 mA/amplifier supply current
Power-down mode
No phase reversal: VIN > |VS| + 200 mV
Wide supply range: 2.7 V to 12 V
Small packaging: SOIC-8, SOT-23-6, MSOP-10

APPLICATIONS
Filters
ADC drivers
Level shifting
Buffering
Professional video
Low voltage instrumentation

 

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