Datasheet ADA4898-1, ADA4898-2 (Analog Devices)
| Hersteller | Analog Devices |
| Beschreibung | High Voltage, Low Noise, Low Distortion, Unity Gain Stable, High Speed, Dual 8-Lead Op Amp |
| Seiten / Seite | 20 / 1 — High Voltage, Low Noise, Low Distortion,. Unity-Gain Stable, High Speed … |
| Revision | E |
| Dateiformat / Größe | PDF / 433 Kb |
| Dokumentensprache | Englisch |
High Voltage, Low Noise, Low Distortion,. Unity-Gain Stable, High Speed Op Amp. Data Sheet. ADA4898-1. /ADA4898-2. FEATURES
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Textversion des Dokuments
High Voltage, Low Noise, Low Distortion, Unity-Gain Stable, High Speed Op Amp Data Sheet ADA4898-1 /ADA4898-2 FEATURES CONNECTION DIAGRAM Ultralow noise ADA4898-1 TOP VIEW 0.9 nV/√Hz (Not to Scale) 2.4 pA/√Hz NC 1 8 PD 1.2 nV/√Hz at 10 Hz –IN 2 7 +VS Ultralow distortion: −93 dBc at 500 kHz +IN 3 6 VOUT Wide supply voltage range: ±5 V to ±16 V –VS 4 5 NC
001
High speed NC = NO CONNECT
07037-
−3 dB bandwidth: 65 MHz (G = +1)
Figure 1. Single 8-Lead ADA4898-1 SOIC_N_EP (RD-8-1)
Slew rate: 55 V/µs ADA4898-2 Unity gain stable TOP VIEW (Not to Scale) Low input offset voltage: 160 µV maximum V 8 +V Low input offset voltage drift: 1 μV/°C OUT1 1 S Low input bias current: −0.1 µA –IN1 2 7 VOUT2 Low input bias current drift: 2 nA/°C +IN1 3 6 –IN2 Supply current: 8 mA
050
–VS 4 5 +IN2 Power-down feature for single 8-lead package
07037- Figure 2. Dual 8-Lead ADA4898-2 SOIC_N_EP (RD-8-2)
APPLICATIONS Instrumentation Active filters DAC buffers SAR ADC drivers Optoelectronics GENERAL DESCRIPTION
The ADA4898-1/ADA4898-2 are ultralow noise and distortion,
10 10
unity gain stable, voltage feedback op amps that are ideal for use in 16-bit and 18-bit systems with power supplies from ±5 V to
CURRENT
±16 V. The ADA4898-1/ADA4898-2 feature a linear, low noise
z) ) H √Hz
input stage and internal compensation that achieves high slew rates
/√
and low noise.
E (nV OIS VOLTAGE ISE (pA/ 1 1
With the wide supply voltage range, low offset voltage, and wide
N NO
bandwidth, the ADA4898-1/ADA4898-2 are extremely versatile,
GE NT
and feature a cancel ation circuit that reduces input bias current.
VOLTA CURRE
The ADA4898-1/ADA4898-2 are available in an 8-lead SOIC package that features an exposed metal paddle to improve power dissipation and heat transfer to the negative supply plane. This
0.1 0.1 1 10 100 1k 10k 100k
EPAD offers a significant thermal relief over traditional plastic 002
FREQUENCY (Hz)
packages. The ADA4898-1/ADA4898-2 are rated to work over 07037- Figure 3. Input Voltage Noise and Current Noise vs. Frequency the extended industrial temperature range of −40°C to +105°C.
Rev. E 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 ©2008–2015 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 CONNECTION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ±15 V SUPPLY ±5 V SUPPLY ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION (POWER-DOWN) PIN FOR THE ADA4898-1 APPLICATIONS INFORMATION HIGHER FEEDBACK RESISTOR GAIN OPERATION RECOMMENDED VALUES FOR VARIOUS GAINS NOISE CIRCUIT CONSIDERATIONS PCB LAYOUT POWER SUPPLY BYPASSING GROUNDING OUTLINE DIMENSIONS ORDERING GUIDE NOTES NOTES NOTES
001
High speed NC = NO CONNECT
07037-
−3 dB bandwidth: 65 MHz (G = +1)
Figure 1. Single 8-Lead ADA4898-1 SOIC_N_EP (RD-8-1)
Slew rate: 55 V/µs ADA4898-2 Unity gain stable TOP VIEW (Not to Scale) Low input offset voltage: 160 µV maximum V 8 +V Low input offset voltage drift: 1 μV/°C OUT1 1 S Low input bias current: −0.1 µA –IN1 2 7 VOUT2 Low input bias current drift: 2 nA/°C +IN1 3 6 –IN2 Supply current: 8 mA
050
–VS 4 5 +IN2 Power-down feature for single 8-lead package
07037- Figure 2. Dual 8-Lead ADA4898-2 SOIC_N_EP (RD-8-2)
APPLICATIONS Instrumentation Active filters DAC buffers SAR ADC drivers Optoelectronics GENERAL DESCRIPTION
The ADA4898-1/ADA4898-2 are ultralow noise and distortion,
10 10
unity gain stable, voltage feedback op amps that are ideal for use in 16-bit and 18-bit systems with power supplies from ±5 V to
CURRENT
±16 V. The ADA4898-1/ADA4898-2 feature a linear, low noise
z) ) H √Hz
input stage and internal compensation that achieves high slew rates
/√
and low noise.
E (nV OIS VOLTAGE ISE (pA/ 1 1
With the wide supply voltage range, low offset voltage, and wide
N NO
bandwidth, the ADA4898-1/ADA4898-2 are extremely versatile,
GE NT
and feature a cancel ation circuit that reduces input bias current.
VOLTA CURRE
The ADA4898-1/ADA4898-2 are available in an 8-lead SOIC package that features an exposed metal paddle to improve power dissipation and heat transfer to the negative supply plane. This
0.1 0.1 1 10 100 1k 10k 100k
EPAD offers a significant thermal relief over traditional plastic 002
FREQUENCY (Hz)
packages. The ADA4898-1/ADA4898-2 are rated to work over 07037- Figure 3. Input Voltage Noise and Current Noise vs. Frequency the extended industrial temperature range of −40°C to +105°C.
Rev. E 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 ©2008–2015 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 CONNECTION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ±15 V SUPPLY ±5 V SUPPLY ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION (POWER-DOWN) PIN FOR THE ADA4898-1 APPLICATIONS INFORMATION HIGHER FEEDBACK RESISTOR GAIN OPERATION RECOMMENDED VALUES FOR VARIOUS GAINS NOISE CIRCUIT CONSIDERATIONS PCB LAYOUT POWER SUPPLY BYPASSING GROUNDING OUTLINE DIMENSIONS ORDERING GUIDE NOTES NOTES NOTES