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ADA4841-1

Features: Low power: 1.1 mA/amp Low wideband noise2.1 nV/Hz1.4 pA/Hz Low 1/f noise7 nV/Hz @ 10 Hz13 pA/Hz @ 10 Hz Low distortion: −105 dBc @ 100 kHz, VO = 2 V p-p High speed80 MHz, −3 dB bandwidth (G = +1)12 V/s slew rate175 ns settling time to 0.1% Low offset voltage 0.3 mV max Rail-...

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ADA4841-1: Features: Low power: 1.1 mA/amp Low wideband noise2.1 nV/Hz1.4 pA/Hz Low 1/f noise7 nV/Hz @ 10 Hz13 pA/Hz @ 10 Hz Low distortion: −105 dBc @ 100 kHz, VO = 2 V p-p High speed80 MHz, −3 d...

ADA4841-1 Data Sheet

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Part Number:
ADA4841-1
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Low power: 1.1 mA/amp
Low wideband noise
2.1 nV/Hz
1.4 pA/Hz
Low 1/f noise
7 nV/Hz @ 10 Hz
13 pA/Hz @ 10 Hz
Low distortion: −105 dBc @ 100 kHz, VO = 2 V p-p
High speed
80 MHz, −3 dB bandwidth (G = +1)
12 V/s slew rate
175 ns settling time to 0.1%
Low offset voltage 0.3 mV max
Rail-to-rail output
Power down
Wide supply range: 2.7 V to 12 V




Application

Low power, low noise signal processing
Battery-powered instrumentation
16-bit PulSAR® ADC drivers




Pinout

ADA4841-1 Diagram

Connection Diagram




Specifications

-3dB Bandwidth 80MHz
Slew Rate 13V/s
Vos 40V
Ib 3A
Input Noise (nV/rtHz) 2.1nV/rtHz
Vcc-Vee Supply (V) 2.7 to 12
Iq per Amplifier 1.5mA
# OpAmps per Pkg 1
Operating Temp Range -40 to +125
Packages SOIC,SOT


Parameter Rating
Supply Voltage
Power Dissipation
Common-Mode Input Voltage
Differential Input Voltage
Storage Temperature Range
Operating Temperature Range
Lead Temperature
Junction Temperature		 12.6 V
See Figure 4
−VS − 0.5 V to +VS + 0.5 V
±1.8 V
−65°C to +125°C
−40°C to +85°C
JEDEC J-STD-20
150°C





Description

The ADA4841-1/ADA4841-2 are unity gain stable, low noise and distortion, rail-to-rail output amplifiers that have a quiescent current of 1.5 mA maximum. Despite their low power consumption, these amplifiers offer low wideband voltage noise performance of 2.1 nV/Hz and 1.4 pA/Hz current noise, along with excellent spurious-free dynamic range (SFDR) of −105 dBc at 100 kHz. To maintain a low noise environment at lower frequencies, the amplifiers have low 1/f noise of 7 nV/Hz and 13 pA/Hz at 10 Hz.

The ADA4841-1/ADA4841-2 output can swing to less than 100 mV of either rail. The input common-mode voltage range extends down to the negative supply. The ADA4841-1/ ADA4841-2 can drive up to 20 pF of capacitive load with minimal peaking.

The ADA4841-1/ADA4841-2 provide the performance required to efficiently support emerging 16-bit to 18-bit ADCs and are ideal for portable instrumentation, high channel count, industrial measurement, and medical applications. The ADA4841-1/ ADA4841-2 are ideally suited to drive the AD7685/AD7686, 16-bit PulSAR ADCs.

The ADA4841-1/ADA4841-2 packages feature Pb-free lead finish. The amplifiers are rated to work over the industrial temperature range (−40°C to +125°C).






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