ADA4099-2

RECOMMENDED FOR NEW DESIGNS

50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-The-Top, Precision Op Amps

Data Sheet (Rev. A) Product Selection Table
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Overview

  • Ultrawide common-mode range: −VS − 0.1 V to −VS + 70 V
  • Wide power supply voltage range: (VSY): +3.15 V to +50 V (±25 V for PSRR)
  • Low supply current: 1.5 mA per channel (typical)
  • Low input offset voltage: ±40 μV maximum
  • Low input offset voltage drift: ±0.4 μV/°C maximum
  • Low voltage noise:
    • 1/f noise corner: 6 Hz typical
    • 150 nV p-p typical at 0.1 Hz to 10 Hz
    • 7 nV/√Hz typical at 100 Hz (en)
  • High speed
    • GBP: 8 MHz typical
    • Slew rate: 5.5 V/μs typical at ΔVOUT = 25 V
  • Low power shutdown: 20 μA maximum
  • Low input bias current: ±10 nA maximum
  • Large signal voltage gain: 120 dB minimum
  • CMRR: 118 dB, minimum
  • PSRR: 123 dB, minimum
  • Input overdrive tolerant with no phase reversal
  • ±2 kV HBM and ±1.25 kV FICDM
  • Wide temperature range: −55°C to +150°C (H grade)

The ADA4099-1 and ADA4099-2 are single/dual robust, precision, rail-to-rail input/output operational amplifiers (op amps) with inputs that operate from −VS to +VS and beyond, which is referred to in this data sheet as Over-The-Top™. The devices feature offset voltages of <40 μV, input bias currents (IB) of <10 nA, and can operate on single or split supplies that range from 3.15 V to 50 V. The ADA4099-1 and ADA4099-2 draws 1.5 mA of quiescent current per channel.

The ADA4099-1 and ADA4099-2 Over-The-Top input stages have robust input protection features for abusive environments. The inputs can tolerate up to 80 V of differential voltage without damage or degradation to dc accuracy. The operating input common-mode range extends from rail-to-rail and beyond, up to 70 V > –VS, independent of the +VS supply.

The ADA4099-1 and ADA4099-2 are unity-gain stable and can drive loads requiring up to 20 mA per channel. The device can also drive capacitive loads as large as 100 pF. The amplifiers are available with low power shutdown.

The ADA4099-1 is available in a standard, 6-lead, thin small outline transistor (TSOT) package. The ADA4099-2 is available in an 8- lead, standard small outline package (SOIC_N), 8-lead, mini small outline package (MSOP), and a 10-lead, lead frame chip scale package (LFCSP).

APPLICATIONS

  • Industrial sensor conditioning
  • Supply current sensing
  • Battery and power supply monitoring
  • Front-end amplifiers in abusive environments
  • 4 mA to 20 mA transmitters
ADA4099-2
50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-The-Top, Precision Op Amps
ADA4099-1/ADA4099-2 Functional Block Diagram ADA4099-2 Pin Configuration ADA4099-2 Pin Configuration ADA4099-2 Pin Configuration ADA4099-2 Chip Image
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Documentation

Data Sheet 2

User Guide 1

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Software Resources

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • ADA4099-1
  • ADA4099-2

Signal Chain Designer

Signal Chain Designer is a web-based tool designed to create and simulate complex precision signal chains. See your circuit’s performance before you commit to your PCB: transfer function, noise, power consumption, input range, and DC error. Quickly experiment with different parts and architectures. Signal chains can be exported to LTspice for further analysis.

Open Tool

Analog Filter Wizard

Use the Analog Filter Wizard to design low-pass, high-pass, or band-pass filters with actual op amps in minutes. As you progress through the design process, you can observe the characteristics of your filter design from ideal specifications to real world circuit behavior. Quickly evaluate the tradeoffs in op amp specifications - including gain-bandwidth, noise, and supply current – to determine the best filter design for your requirements.

Open Tool

Analog Photodiode Wizard

Use Photodiode Wizard to design a transimpedance amplifier circuit to interface with a photodiode. Select a photodiode from the library included in the tool, or enter custom photodiode specifications. Quickly observe tradeoffs between Bandwidth, Peaking (Q), and ENOB/SNR. Modify circuit parameters, and immediately see results in plots for pulse response, frequency response, and noise gain.

Open Tool
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
schematic 2
schematic 3
EVAL-ADA4099-2

Evaluating the ADA4099-2 50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-the-Top Precision Op Amp

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Features and Benefits

  • Fully featured evaluation board for the ADA4099-2
  • Enables efficient prototyping
  • User defined circuit configuration
  • Simplified connection to test equipment and other circuits

Product Details

The EVAL-ADA4099-2EBZ evaluates the ADA4099-2 10-lead, lead frame chip scale package (LFCSP), robust Over-The-Top™ precision operational amplifier (op amp). The EVAL-ADA4099-2EBZ is a prepopulated board using a gain of 1 configuration.

The EVAL-ADA4099-2EBZ design allows simplified and efficient use. The EVAL-ADA4099-2EBZ has edge mounted Subminiature Version A (SMA) connectors on the inputs and outputs to allow efficient connection to test equipment or other circuits. Bulk test points are also incorporated as an alternative option to be used for the inputs and outputs. The optimized EVAL-ADA4099-2EBZ ground plane, component placement, and power supply allow maximum circuit flexibility and performance. The EVAL-ADA4099-2EBZ uses a combination of surface-mount technology (SMT) with majority of components in 0603 case size, except for the 10 μF bypass capacitor. The EVAL-ADA4099-2EBZ also has unpopulated resistor and capacitor pads, which provide the user with the options and flexibility to implement different application circuits and configurations.

For full details on the ADA4099-2, see the ADA4099-2 data sheet, which must be consulted in conjunction with the user guide when using the EVAL-ADA4099-2EBZ.
EVAL-ADA4099-2
Evaluating the ADA4099-2 50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-the-Top Precision Op Amp
EVAL-ADA4099-2EBZ Evaluation Board EVAL-ADA4099-2EBZ-TOP-web EVAL-ADA4099-2EBZ Evaluation Board - Bottom View

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