ADA4937-2
Ultralow Distortion Differential ADC Driver (Dual)
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Features
- Extremely low harmonic distortion (HD)
- −112 dBc HD2 at 10 MHz
- −84 dBc HD2 at 70 MHz
- −77 dBc HD2 at 100 MHz
- −102 dBc HD3 at 10 MHz
- −91 dBc HD3 at 70 MHz
- −84 dBc HD3 at 100 MHz
- Low input voltage noise: 2.2 nV/√Hz
- High speed
- −3 dB bandwidth of 1.9 GHz, G = 1
- Slew rate: 6000 V/μs, 25% to 75%
- Fast overdrive recovery of 1 ns
- 0.5 mV typical offset voltage
- Externally adjustable gain
- Differential-to-differential or single-ended-to-differential
- operation
- Adjustable output common-mode voltage
- Single-supply operation: 3.3 V to 5 V
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The ADA4937-1 / ADA4937-2 are low noise, ultralow distortion, high speed differential amplifiers. They are an ideal choice for driving high performance ADCs with resolutions up to 16 bits from dc to 100 MHz. The adjustable level of the output common mode allows the ADA4937-1/ADA4937-2 to match the input of the ADC. The internal common-mode feedback loop also provides exceptional output balance as well as suppression of even-order harmonic distortion products.
With the ADA4937-1 / ADA4937-2, differential gain configurations are easily realized with a simple external feedback network of four resistors that determine the closed-loop gain of the amplifier.
The ADA4937-1 / ADA4937-2 are fabricated using Analog Devices, Inc., proprietary silicon-germanium (SiGe), complementary bipolar process, enabling them to achieve very low levels of distortion with an input voltage noise of only 2.2 nV/√Hz. The low dc offset and excellent dynamic performance of the ADA4937-1/ADA4937-2 make them well-suited for a wide variety of data acquisition and signal processing applications.
The ADA4937-1 / ADA4937-2 are available in a Pb-free, 3 mm × 3 mm, 16-lead LFCSP (ADA4937-1, single) or a Pb-free, 4 mm × 4 mm, 24-lead LFCSP (ADA4937-2, dual). The pinout has been optimized to facilitate PCB layout and minimize distortion. The ADA4937-1 / ADA4937-2 are specified to operate over the automotive (−40°C to +105°C) temperature range and between 3.3 V and 5 V supplies.
Applications
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ADA4937-2
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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| ADA4937-2YCPZ-R7 |
24-Lead LFCSP (4mm x 4mm x 0.75mm w/ EP)
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| ADA4937-2YCPZ-RL |
24-Lead LFCSP (4mm x 4mm x 0.75mm w/ EP)
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- ADA4937-2YCPZ-R7
- Pin/Package Drawing
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24-Lead LFCSP (4mm x 4mm x 0.75mm w/ EP)
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Material Declaration
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HTML
Reliablity Data
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Ultra Librarian
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SamacSys
- ADA4937-2YCPZ-RL
- Pin/Package Drawing
-
24-Lead LFCSP (4mm x 4mm x 0.75mm w/ EP)
- Documentation
-
HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
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Part Models
Product Lifecycle
PCN
May 5, 2014
- 14_0020
Conversion of 4x4mm body Size LFCSP Package Outlines from Punch to Sawn and Transfer of Assembly Site to Amkor Philippines.
ADA4937-2YCPZ-R7
PRODUCTION
ADA4937-2YCPZ-RL
PRODUCTION
Jul 9, 2013
- 13_0139
Datasheet Change for ADA4937-1, ADA4937-2
ADA4937-2YCPZ-R7
PRODUCTION
ADA4937-2YCPZ-RL
PRODUCTION
Feb 15, 2010
- 07_0061
LFCSP Package Manufacturing Line Transfer from Amkor Korea to Amkor PRC
ADA4937-2YCPZ-R7
PRODUCTION
ADA4937-2YCPZ-RL
PRODUCTION
Filter by Model
Part Models
Product Lifecycle
PCN
May 5, 2014
- 14_0020
Conversion of 4x4mm body Size LFCSP Package Outlines from Punch to Sawn and Transfer of Assembly Site to Amkor Philippines.
ADA4937-2YCPZ-R7
PRODUCTION
ADA4937-2YCPZ-RL
PRODUCTION
Jul 9, 2013
- 13_0139
Datasheet Change for ADA4937-1, ADA4937-2
Feb 15, 2010
- 07_0061
LFCSP Package Manufacturing Line Transfer from Amkor Korea to Amkor PRC
ADA4937-2YCPZ-R7
PRODUCTION
ADA4937-2YCPZ-RL
PRODUCTION
Software & Part Ecosystem
Evaluation Kits 1
EVAL-FDA-2
Evaluation Board for Dual High Speed Differential Amplifiers
Product Detail
Resources
Tools & Simulations 4
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.
To launch ready-to-run LTspice demonstration circuits for this part:
Step 1: Download and install LTspice on your computer.
Step 2: Click on the link in the section below to download a demonstration circuit.
Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.
Lt Spice
SPICE Model 1
ADI DiffAmpCalc™
Signal Chain Designer - BETA
