Overview
The ADA4899-1YRDZ is a high-performance, unity-gain stable voltage feedback operational amplifier (op amp) produced by Analog Devices Inc. This device is renowned for its ultralow noise and distortion, making it ideal for demanding applications such as 16-bit and 18-bit systems. The ADA4899-1 features a linear, low noise input stage and internal compensation, achieving high slew rates and low noise even at unity gain. It is fabricated using Analog Devices' proprietary next-generation XFCB process and innovative circuit design, enabling breakthrough performance levels with low supply current.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Ultralow Noise | - | 1 | - | nV/√Hz |
| Ultralow Distortion | - | -117 | - | dBc at 1 MHz |
| -3 dB Bandwidth (G = +1) | - | 600 | - | MHz |
| Slew Rate | - | 310 | - | V/μs |
| Offset Voltage | - | - | 230 | μV |
| Input Bias Current | - | - | 100 | nA |
| Supply Voltage Range | 4.5 | - | 12 | V |
| Quiescent Current | 14.7 | - | 16.2 | mA |
| Operating Temperature Range | -40 | - | 125 | °C |
Key Features
- Unity-gain stable with ultralow noise (1 nV/√Hz) and distortion (<−117 dBc at 1 MHz)
- High speed with a -3 dB bandwidth of 600 MHz at unity gain
- High slew rate of 310 V/μs
- Low offset voltage of 230 μV maximum
- Low input bias current of 100 nA
- Wide supply voltage range from 4.5 V to 12 V
- Input bias current cancellation mode reducing input bias current by a factor of 60
- Available in 3 mm × 3 mm LFCSP and 8-lead SOIC packages with an exposed metal paddle for improved heat transfer
Applications
- Analog-to-digital drivers
- Instrumentation
- Filters
- IF and baseband amplifiers
- DAC buffers
- Optical electronics
Q & A
- What is the typical noise level of the ADA4899-1YRDZ?
The ADA4899-1YRDZ has an ultralow noise level of 1 nV/√Hz. - What is the distortion level of the ADA4899-1YRDZ at 1 MHz?
The distortion level is less than -117 dBc at 1 MHz. - What is the -3 dB bandwidth of the ADA4899-1YRDZ at unity gain?
The -3 dB bandwidth is 600 MHz at unity gain. - What is the slew rate of the ADA4899-1YRDZ?
The slew rate is 310 V/μs. - What is the maximum offset voltage of the ADA4899-1YRDZ?
The maximum offset voltage is 230 μV. - What is the input bias current of the ADA4899-1YRDZ?
The input bias current is 100 nA. - What is the supply voltage range of the ADA4899-1YRDZ?
The supply voltage range is from 4.5 V to 12 V. - What are the available package options for the ADA4899-1YRDZ?
The ADA4899-1YRDZ is available in 3 mm × 3 mm LFCSP and 8-lead SOIC packages. - What are some typical applications of the ADA4899-1YRDZ?
Typical applications include analog-to-digital drivers, instrumentation, filters, IF and baseband amplifiers, DAC buffers, and optical electronics. - How does the ADA4899-1YRDZ manage heat dissipation?
The ADA4899-1YRDZ features an exposed metal paddle in both package options to improve heat transfer to the ground plane.
