Datasheet ADA4841-2KGD (Analog Devices)
| Manufacturer | Analog Devices |
| Description | Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier |
| Pages / Page | 9 / 1 — Low Noise and Distortion,. Rail-to-Rail Output Amplifier. Known Good Die. … |
| Revision | A |
| File Format / Size | PDF / 164 Kb |
| Document Language | English |
Low Noise and Distortion,. Rail-to-Rail Output Amplifier. Known Good Die. ADA4841-2KGD. FEATURES. FUNCTIONAL BLOCK DIAGRAM
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Low Noise and Distortion, Rail-to-Rail Output Amplifier Known Good Die ADA4841-2KGD FEATURES FUNCTIONAL BLOCK DIAGRAM Low power: 1.1 mA/amplifier ADA4841-2KGD Low wideband noise OUT1 +VS 2.1 nV/√Hz input voltage noise –IN1 OUT2 1.4 pA/√Hz input current noise +IN1 –IN2
1 -00
–V +IN2 Low 1/f noise S
3370 1
7 nV/√Hz at 10 Hz
Figure 1.
13 pA/√Hz at 10 Hz Low distortion: −105 dBc at 100 kHz, VO = 2 V p-p High speed 80 MHz, −3 dB bandwidth (G = +1) 12 V/μs slew rate 175 ns settling time to 0.1% Low offset voltage: 0.3 mV maximum Rail-to-rail output Wide supply range: 2.7 V to 12 V Known good die (KGD): these die are fully guaranteed to data sheet specifications APPLICATIONS Low power, low noise signal processing Battery-powered instrumentation 16-bit PulSAR® ADC drivers GENERAL DESCRIPTION
The ADA4841-2KGD is a unity-gain stable, low noise and Additional application and technical information can be found distortion, rail-to-rail output amplifier that has a quiescent current in the ADA4841-2 data sheet. of 1.5 mA maximum. Its low power consumption notwithstanding,
–30 VS = ±5V
this amplifier offers low wideband voltage noise performance of
–40 G = +1
2.1 nV/Hz and 1.4 pA/Hz current noise, along with excellent
–50 Bc)
spurious-free dynamic range (SFDR) of −105 dBc at 100 kHz.
d N (
To maintain a low noise environment at lower frequencies, the
–60 IO
amplifier has low 1/f noise of 7 nV/Hz and 13 pA/Hz at 10 Hz.
RT O –70 T S 2V p-p THIRD
The ADA4841-2KGD output can swing to less than 50 mV of
DI –80 C
either rail. The input common-mode voltage range extends
NI O –90
down to the negative supply. The ADA4841-2KGD can drive up
RM –100 2V p-p SECOND
to 10 pF of capacitive load with minimal peaking.
HA –110
02 The ADA4841-2KGD provides the performance required to 0 70- efficiently support emerging 16-bit to 18-bit analog-to-digital
–120
133
0.01 0.1 1
converters (ADCs) and is ideal for portable instrumentation,
FREQUENCY (MHz)
high channel count, industrial measurement, and medical Figure 2. Harmonic Distortion vs. Frequency applications. The ADA4841-2KGD is ideally suited to drive the AD7685/AD7686, 16-bit PulSAR ADCs.
Rev. A Document Feedback 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 ©2015–2017 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com
Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ±5 V SUPPLY 5 V SUPPLY 3 V SUPPLY ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS OUTLINE DIMENSIONS DIE SPECIFICATIONS AND ASSEMBLY RECOMMENDATIONS ORDERING GUIDE
1 -00
–V +IN2 Low 1/f noise S
3370 1
7 nV/√Hz at 10 Hz
Figure 1.
13 pA/√Hz at 10 Hz Low distortion: −105 dBc at 100 kHz, VO = 2 V p-p High speed 80 MHz, −3 dB bandwidth (G = +1) 12 V/μs slew rate 175 ns settling time to 0.1% Low offset voltage: 0.3 mV maximum Rail-to-rail output Wide supply range: 2.7 V to 12 V Known good die (KGD): these die are fully guaranteed to data sheet specifications APPLICATIONS Low power, low noise signal processing Battery-powered instrumentation 16-bit PulSAR® ADC drivers GENERAL DESCRIPTION
The ADA4841-2KGD is a unity-gain stable, low noise and Additional application and technical information can be found distortion, rail-to-rail output amplifier that has a quiescent current in the ADA4841-2 data sheet. of 1.5 mA maximum. Its low power consumption notwithstanding,
–30 VS = ±5V
this amplifier offers low wideband voltage noise performance of
–40 G = +1
2.1 nV/Hz and 1.4 pA/Hz current noise, along with excellent
–50 Bc)
spurious-free dynamic range (SFDR) of −105 dBc at 100 kHz.
d N (
To maintain a low noise environment at lower frequencies, the
–60 IO
amplifier has low 1/f noise of 7 nV/Hz and 13 pA/Hz at 10 Hz.
RT O –70 T S 2V p-p THIRD
The ADA4841-2KGD output can swing to less than 50 mV of
DI –80 C
either rail. The input common-mode voltage range extends
NI O –90
down to the negative supply. The ADA4841-2KGD can drive up
RM –100 2V p-p SECOND
to 10 pF of capacitive load with minimal peaking.
HA –110
02 The ADA4841-2KGD provides the performance required to 0 70- efficiently support emerging 16-bit to 18-bit analog-to-digital
–120
133
0.01 0.1 1
converters (ADCs) and is ideal for portable instrumentation,
FREQUENCY (MHz)
high channel count, industrial measurement, and medical Figure 2. Harmonic Distortion vs. Frequency applications. The ADA4841-2KGD is ideally suited to drive the AD7685/AD7686, 16-bit PulSAR ADCs.
Rev. A Document Feedback 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 ©2015–2017 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com
Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ±5 V SUPPLY 5 V SUPPLY 3 V SUPPLY ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS OUTLINE DIMENSIONS DIE SPECIFICATIONS AND ASSEMBLY RECOMMENDATIONS ORDERING GUIDE
