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AD8253ARMZ-RL Datasheet

  • AD8253ARMZ-RL

  • 10 MHz, 20 V/s, G = 1, 10, 100, 1000 iCMOS Programmable Gain...

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10 MHz, 20 V/渭s, G = 1, 10, 100, 1000
iCMOS
Programmable Gain Instrumentation Amplifier
AD8253
FEATURES
Small package: 10-lead MSOP
Programmable gains: 1, 10, 100, 1000
Digital or pin-programmable gain setting
Wide supply: 卤5 V to 卤15 V
Excellent dc performance
High CMRR: 100 dB (minimum), G = 100
Low gain drift: 10 ppm/掳C (maximum)
Low offset drift: 1.2 渭V/掳C (maximum), G = 1000
Excellent ac performance
Fast settling time: 780 ns to 0.001% (maximum)
High slew rate: 20 V/渭s (minimum)
Low distortion: 鈭?10 dB THD at 1 kHz,10 V swing
High CMRR over frequency: 100 dB to 20 kHz (minimum)
Low noise: 10 nV/鈭欻z, G = 1000 (maximum)
Low power: 4 mA
FUNCTIONAL BLOCK DIAGRAM
DGND WR
2
6
A1
5
A0
4
鈥揑N
1
LOGIC
7
OUT
+IN
10
AD8253
8
3
9
+V
S
鈥揤
S
REF
Figure 1.
80
70
60
50
G = 1000
APPLICATIONS
Data acquisition
Biomedical analysis
Test and measurement
GAIN (dB)
40
30
20
10
0
鈥?0
G = 100
GENERAL DESCRIPTION
The AD8253 is an instrumentation amplifier with digitally
programmable gains that has gigaohm (G惟) input impedance,
low output noise, and low distortion, making it suitable for
interfacing with sensors and driving high sample rate analog-to-
digital converters (ADCs).
It has a high bandwidth of 10 MHz, low THD of 鈭?10 dB, and
fast settling time of 780 ns (maximum) to 0.001%. Offset drift and
gain drift are guaranteed to 1.2 渭V/掳C and 10 ppm/掳C, respectively,
for G = 1000. In addition to its wide input common voltage range,
it boasts a high common-mode rejection of 100 dB at G = 1000
from dc to 20 kHz. The combination of precision dc performance
coupled with high speed capabilities makes the AD8253 an
excellent candidate for data acquisition. Furthermore, this
monolithic solution simplifies design and manufacturing and
boosts performance of instrumentation by maintaining a tight
match of internal resistors and amplifiers.
The AD8253 user interface consists of a parallel port that allows
users to set the gain in one of two different ways (see Figure 1
for the functional block diagram). A 2-bit word sent via a bus
can be latched using the WR input. An alternative is to use
transparent gain mode, where the state of logic levels at the gain
port determines the gain.
G = 10
G=1
10k
100k
1M
FREQUENCY (Hz)
10M
100M
Figure 2. Gain vs. Frequency
Table 1. Instrumentation Amplifiers by Category
General
Purpose
AD8220
1
AD8221
AD8222
AD8224
1
AD8228
1
Zero
Drift
AD8231
1
AD8553
1
AD8555
1
AD8556
1
AD8557
1
Mil
Grade
AD620
AD621
AD524
AD526
AD624
Low
Power
AD627
1
AD623
1
AD8223
1
High Speed
PGA
AD8250
AD8251
AD8253
Rail-to-rail output.
The AD8253 is available in a 10-lead MSOP package and is
specified over the 鈭?0掳C to +85掳C temperature range, making it
an excellent solution for applications where size and packing
density are important considerations.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
漏2008 Analog Devices, Inc. All rights reserved.
006983-023
鈥?0
1k
06983-001

AD8253ARMZ-RL 产品属性

  • 3,000

  • 集成电路 (IC)

  • Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

  • iCMOS®

  • 仪表

  • 1

  • -

  • 20 V/µs

  • -

  • 10MHz

  • 5nA

  • 150µV

  • 4.6mA

  • 37mA

  • ±5 V ~ 15 V

  • -40°C ~ 85°C

  • 表面贴装

  • 10-TFSOP，10-MSOP（0.118"，3.00mm 宽）

  • 10-MSOP

  • 带卷 (TR)

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