Overview
The AD876JST-REEL is a 10-bit, 20 MSPS (Mega Samples Per Second) analog-to-digital converter (ADC) produced by Analog Devices Inc. This CMOS ADC features a multistage pipelined architecture with output error correction logic, ensuring accurate performance and no missing codes over the full operating temperature range. It is designed for high-speed applications and operates on a single supply, making it suitable for various portable and high-reliability systems.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Resolution | - | - | - | 10 bits | - |
| Sampling Rate | - | - | - | 20 MSPS | - |
| Power Consumption | - | - | - | 160 mW | - |
| Operating Temperature | - | 0°C | - | 70°C | - |
| Logic Input High Level Voltage (3.0V) | VIH | 2.4 V | - | 5.0 V | V |
| Logic Input Low Level Voltage (3.0V) | VIL | 0.6 V | - | 1.0 V | V |
| Logic Output High Level Voltage (IOH = 50 µA, 3.0V) | VOH | 2.4 V | - | 3.8 V | V |
| Logic Output Low Level Voltage (IOL = 50 µA, 3.0V) | VOL | 0.7 V | - | 1.05 V | V |
| Input Capacitance | CIN | - | - | 5 pF | pF |
| Output Capacitance | COUT | - | - | 5 pF | pF |
Key Features
- 10-bit resolution with a sampling rate of 20 MSPS.
- Single-supply operation with compatibility for +5 V or +3.3 V logic.
- On-chip input sample-and-hold amplifier.
- Multistage pipelined architecture with output error correction logic.
- Low power consumption of 160 mW, with a standby mode below 50 mW.
- Digital output pins can be placed in a high impedance state.
- High common-mode rejection and robust noise rejection through proper grounding and layout.
Applications
- Video and multimedia systems.
- Imaging and high-speed data acquisition systems.
- Communications systems.
- Charge coupled device (CCD) input systems such as color scanners and digital copiers.
- Portable and high-reliability applications including medical devices and automotive systems.
Q & A
- What is the resolution of the AD876 ADC?
The AD876 has a 10-bit resolution.
- What is the maximum sampling rate of the AD876?
The AD876 can sample at up to 20 MSPS.
- What is the typical power consumption of the AD876?
The typical power consumption is 160 mW, with a standby mode below 50 mW.
- What are the compatible logic voltages for the AD876?
The AD876 is compatible with +5 V or +3.3 V logic.
- Does the AD876 have an on-chip sample-and-hold amplifier?
Yes, the AD876 has an on-chip input sample-and-hold amplifier.
- What is the operating temperature range of the AD876?
The operating temperature range is from 0°C to 70°C.
- How does the AD876 handle noise and common-mode rejection?
The AD876 features high common-mode rejection and robust noise rejection through proper grounding and layout.
- What are some typical applications of the AD876?
Typical applications include video and multimedia systems, imaging, high-speed data acquisition, communications, and CCD input systems.
- Can the digital output pins of the AD876 be placed in a high impedance state?
Yes, the digital output pins can be placed in a high impedance state.
- What package options are available for the AD876?
The AD876 is available in a 48-Lead TQFP package, among others.
