Overview
The ADA4895-1ARJZ-R7, produced by Analog Devices Inc., is a high-speed voltage feedback operational amplifier. This single amplifier is part of the ADA4895-1 series, known for its low input noise, rail-to-rail output, and high gain stability. It is designed to operate with a wide supply voltage range of 3 V to 10 V, making it versatile for various applications requiring high speed, precision, and low noise.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Bandwidth (G = +10) | - | 236 | - | MHz |
| Slew Rate | - | 943 | - | V/µs |
| Settling Time to 0.1% | - | 22 | - | ns |
| Input Noise (wideband) | - | 1 | - | nV/√Hz |
| Input Noise (1/f at 10 Hz) | - | 2 | - | nV/√Hz |
| Input Offset Voltage | - | 350 | - | µV |
| Quiescent Current per Amplifier | 2.6 | 2.8 | 3 | mA |
| Supply Voltage Range | 3 | - | 10 | V |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Type | - | SOT-23 | - | - |
Key Features
- Low wideband noise: 1 nV/√Hz and low 1/f noise: 2 nV/√Hz at 10 Hz
- High speed: 236 MHz bandwidth at G = +10 and 943 V/µs slew rate
- Rail-to-rail output and high gain stability (gain ≥ 10)
- Low distortion: SFDR of −96 dBc at 100 kHz
- Low power consumption: 3 mA per amplifier
- Disable feature for power management
- Wide supply voltage range: 3 V to 10 V
- Extended industrial temperature range: −40°C to +125°C
Applications
- Low noise preamplifiers
- Ultrasound amplifiers
- PLL loop filters
- High performance analog-to-digital converter (ADC) drivers
- Digital-to-analog converter (DAC) buffers
Q & A
- What is the bandwidth of the ADA4895-1ARJZ-R7 at a gain of +10?
The bandwidth is 236 MHz at a gain of +10. - What is the slew rate of the ADA4895-1ARJZ-R7?
The slew rate is 943 V/µs. - What is the settling time to 0.1% for the ADA4895-1ARJZ-R7?
The settling time is 22 ns. - What is the input noise of the ADA4895-1ARJZ-R7?
The wideband input noise is 1 nV/√Hz, and the 1/f noise at 10 Hz is 2 nV/√Hz. - What is the quiescent current per amplifier for the ADA4895-1ARJZ-R7?
The quiescent current per amplifier is 2.8 mA (typical). - What is the supply voltage range for the ADA4895-1ARJZ-R7?
The supply voltage range is 3 V to 10 V. - What are the typical applications of the ADA4895-1ARJZ-R7?
Typical applications include low noise preamplifiers, ultrasound amplifiers, PLL loop filters, and drivers for high performance ADCs and DACs. - What is the operating temperature range of the ADA4895-1ARJZ-R7?
The operating temperature range is −40°C to +125°C. - What package types are available for the ADA4895-1ARJZ-R7?
The ADA4895-1ARJZ-R7 is available in a 6-lead SOT-23 package. - Does the ADA4895-1ARJZ-R7 have a disable feature?
Yes, the ADA4895-1ARJZ-R7 has a disable feature for power management.
