- Overview
- Features
- Diagrams
- Specifications
- Part Numbers
Overview
 Ultralow Distortion Current Feedback Differential ADC Driver
The single ADA4927-1 and dual ADA4927-2 high-speed, ultralow-distortion, current-feedback differential ADC Drivers are designed to interface directly with high-performance ADCs having up to 16-bit resolution from dc to 100 MHz. They feature 1400 MHz bandwidth, 5000V/µs slew rate, 2.6 ns settling time, 117 dBc SFDR at 10 MHz, and 1.3 nV/sqrt-Hz noise. The drivers are stable for fractional differential gains, unity gain, and gains greater than 1. Gain is set by two pairs of external resistors. The common-mode output voltage can be set to match the input of the ADC. Datasheet |
Features
Features
- Extremely low harmonic distortion
−105 dBc HD2 @ 10 MHz
−91 dBc HD2 @ 70 MHz
−87 dBc HD2 @ 100 MHz
−103 dBc HD3 @ 10 MHz
−98 dBc HD3 @ 70 MHz
−89 dBc HD3 @ 100 MHz
- Better distortion at higher gains than VF amplifiers
- Low input voltage noise: 1.4 nV/√Hz
- High speed
−3 dB bandwidth of 2.3 GHz
0.1 dB gain flatness: 150 MHz
Slew rate: 5000 V/μs, 25% to 75%
Fast 0.1% settling time: 10 ns
- Low input offset voltage: 0.3 mV typical
- Externally adjustable gain
- Stability and bandwidth controlled by feedback resistor
- Differential-to-differential or single-ended-to-differential operation
- Adjustable output common-mode voltage
- Wide supply operation: +5 V to ±5 V
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Applications
- ADC drivers
- Single-ended-to-differential converters
- IF and baseband gain blocks
- Differential buffers
- Differential line drivers
Datasheet
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Specifications
| General Specifications |
| -3 dB BW (MHz) |
2300MHz |
| Minimum Gain (Acl) |
1 |
| Supply Current (max) |
22.1mA |
| Current - Output/Channel |
65mA |
| Slew Rate (V/µs) |
5000V/µs |
| Distortion (2nd) (dBc) |
-87dBc |
| Distortion (3rd) (dBc) |
-89dBc |
| Voltage - Supply, Single/Dual (±) |
4.5 V ~ 11 V, ±2.25 V ~ 5.5 V |
| Voltage - Input Offset |
300µV |
| Datasheet |
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Part Numbers
ADI P/N |
Digi-Key P/N |
Packaging |
Package |
Datasheet |
ADA4927-1YCPZ-R7 |
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Tape & Reel |
16-LFCSP |
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Cut Tape |
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ADA4927-2YCPZ-R2 |
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Tape & Reel |
24-LFCSP |
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Cut Tape |
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ADA4927:
