Overview
The ADS7883SBDBVR is a 12-bit, 3-MSPS (Mega Samples Per Second) analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the MicroPower Miniature SAR (Successive Approximation Register) Converter Family. It features a capacitor-based SAR A/D converter with inherent sample and hold capabilities. The ADS7883 operates over a wide supply voltage range from 2.7 V to 5.5 V, making it versatile for various applications, including battery-powered systems. The device is packaged in a 6-pin SOT23 package and is specified for operation from –40°C to 125°C.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Resolution | 12 | - | - | Bits |
| Sample Rate | 2 | - | 3 | MSPS |
| Supply Voltage (VDD) | 2.7 | - | 5.5 | V |
| Integral Nonlinearity (INL) | -1 | - | ±0.6 | LSB |
| Differential Nonlinearity (DNL) | -1 | - | ±0.5 | LSB |
| Signal-to-Noise and Distortion (SINAD) | 68 | - | 72 | dB |
| Total Harmonic Distortion (THD) | -84 | - | - | dB |
| Power Dissipation (at 3 V, 2 MSPS) | 6.45 | - | - | mW |
| Power Dissipation (at 5 V, 3 MSPS) | 13.5 | - | - | mW |
| Power-Down Current | 1 | - | - | µA |
| Operating Temperature Range | -40 | - | 125 | °C |
Key Features
- 12-bit resolution with a maximum sample rate of 3 MSPS.
- Wide supply voltage range from 2.7 V to 5.5 V.
- Low power dissipation: 6.45 mW at 3 V, 2 MSPS and 13.5 mW at 5 V, 3 MSPS.
- High accuracy with ±0.6 LSB INL and ±0.5 LSB DNL.
- High signal-to-noise and distortion ratio (SINAD) of up to 72 dB.
- Total harmonic distortion (THD) of –84 dB.
- Power-down feature with a current of 1 µA.
- Wide input bandwidth of 30 MHz at –3 dB.
- 48-MHz serial interface for data transfer.
- Compact 6-pin SOT23 package.
- Operating temperature range from –40°C to 125°C.
Applications
- Base band converters in radio communication systems.
- Motor current and bus voltage sensors in digital systems.
- Zero latency drives.
- Optical networking (DWDM, MEMS-based switching).
- Optical sensors.
- Battery-powered systems.
- Medical instrumentation.
- High-speed data acquisition systems.
- High-speed closed-loop systems.
Q & A
- What is the resolution of the ADS7883SBDBVR ADC?
The ADS7883SBDBVR has a 12-bit resolution.
- What is the maximum sample rate of the ADS7883SBDBVR?
The maximum sample rate is 3 MSPS.
- What is the supply voltage range for the ADS7883SBDBVR?
The supply voltage range is from 2.7 V to 5.5 V.
- How much power does the ADS7883SBDBVR consume at 3 V and 2 MSPS?
The power dissipation is 6.45 mW at 3 V and 2 MSPS.
- What is the power-down current of the ADS7883SBDBVR?
The power-down current is 1 µA.
- What is the operating temperature range of the ADS7883SBDBVR?
The operating temperature range is from –40°C to 125°C.
- What is the SINAD of the ADS7883SBDBVR?
The SINAD is up to 72 dB.
- What is the THD of the ADS7883SBDBVR?
The THD is –84 dB.
- What is the input bandwidth of the ADS7883SBDBVR?
The input bandwidth is 30 MHz at –3 dB.
- In what package is the ADS7883SBDBVR available?
The device is available in a 6-pin SOT23 package.
