ADA4937-1YCPZ-R7
Amplifiers & Comparators
Technical Specifications
| Type | Description |
|---|---|
| Common Mode Rejection Ratio | 80 dB |
| Gain Bandwidth Product | 1.9 GHz |
| Voffset V | 500 V |
| Quiescent Current | 39.5 mA |
| Output Current | 70 mA |
| Rail To Rail | Rail-to-rail output |
| Settling Time | 7ns |
| Ib - Input Bias Current | 50uA |
| Maximum Power Supply Range (Vdd-Vss) | 5.25V |
| Input Offset Current(Ios) | 0.5uA |
| Type | Description |
|---|---|
| Noise density(eN) | 2.2nV/sqrtHz@100kHz |
| Power Supply Rejection Ratio (PSRR) | 90dB |
| Output Type | Differential |
| Single Supply | 3.3V~5V |
| Voffset Drift Uv | 1 µV |
| Features | Single-ended to differential conversion;Adjustable output common-mode voltage;Integrated ADC driver |
| Channels | 1 |
| Slew Rate Vus | 6000 V/µs |
| Operating Temperature | -40°C~+105°C |
| Package / Case | LFCSP-16(3x3) |
Product Introduction
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 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.
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 (overline) = 7
- 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
Applications
- ADC drivers
- Single-ended-to-differential converters
- IF and baseband gain blocks
- Differential buffers
- Line drivers
Datasheet
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542339000 |
| USHTS | 8542330001 |
| TARIC | 8542339000 |
| Type | Details |
|---|---|
| CAHTS | 8542330000 |
| BRHTS | 85423390 |
| INHTS | 85423300 |
| MXHTS | 8542.33.99 |
Sourcing Information
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