Overview
The ADS7263SRHBR is a 14-bit, dual-channel, simultaneous sampling analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the ADS7xxx family, which includes the ADS8363 and ADS7223, each offering different resolutions. The ADS7263 is designed for high-performance applications requiring precise and simultaneous signal acquisition.
It features a compact 5-mm x 5-mm, 32-pin VQFN package and operates over an extended industrial temperature range of -40°C to +125°C. The device supports both pseudo-differential and fully-differential input modes, making it versatile for various measurement tasks.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Resolution | 14 | 14 | 14 | Bits | |
| Integral Nonlinearity (INL) | -1 | ±0.4 | +1 | LSB | |
| Differential Nonlinearity (DNL) | -0.5 | ±0.2 | +1 | LSB | |
| Input Offset Error (VOS) | -2 | ±0.2 | +2 | mV | |
| Signal-to-Noise + Distortion (SINAD) | VIN = 5 VPP at 10 kHz | 71 | 72 | dB | |
| Total Harmonic Distortion (THD) | VIN = 5 VPP at 10 kHz | -86 | -84 | dB | |
| Common-Mode Rejection Ratio (CMRR) | DC to 100 kHz | 92 | dB | ||
| Operating Temperature Range | -40 | +125 | °C |
Key Features
- Simultaneous sampling of two channels
- Excellent AC performance: SINAD of 72 dB, THD of -84 dB
- Dual programmable and buffered 2.5-V reference outputs
- Programmable auto-sequencer and integrated data storage for oversampling applications
- Support for pseudo-differential and fully-differential input modes
- Low power consumption with sleep and auto-sleep modes
- Compact 5-mm x 5-mm, 32-pin VQFN package
- Full specification over the extended industrial temperature range of -40°C to +125°C
Applications
- Motor control: current and position measurement, including safety applications
- Power quality measurement
- Three-phase power control
- Programmable logic controllers
- Industrial automation
- Protection relays
Q & A
- What is the resolution of the ADS7263SRHBR ADC?
The ADS7263SRHBR has a resolution of 14 bits.
- What are the operating temperature ranges for the ADS7263SRHBR?
The device operates over a temperature range of -40°C to +125°C.
- What types of input modes does the ADS7263SRHBR support?
The device supports both pseudo-differential and fully-differential input modes.
- What is the SINAD of the ADS7263SRHBR at 10 kHz?
The SINAD is 72 dB at VIN = 5 VPP at 10 kHz.
- Does the ADS7263SRHBR have integrated data storage?
Yes, it has integrated data storage for oversampling applications.
- What is the package type and size of the ADS7263SRHBR?
The device is packaged in a 5-mm x 5-mm, 32-pin VQFN package.
- What are some common applications of the ADS7263SRHBR?
Common applications include motor control, power quality measurement, three-phase power control, and industrial automation.
- Does the ADS7263SRHBR have programmable reference outputs?
Yes, it has dual programmable and buffered 2.5-V reference outputs.
- What is the THD of the ADS7263SRHBR at 10 kHz?
The THD is -84 dB at VIN = 5 VPP at 10 kHz.
- Is the ADS7263SRHBR suitable for safety-critical applications?
Yes, it is fully specified over the extended industrial temperature range and includes features suitable for safety applications.
