Overview
The ADS8558IPMR, produced by Texas Instruments, is part of the ADS855x family of analog-to-digital converters (ADCs). This device features six low-power, 12-bit successive approximation register (SAR) based ADCs with true bipolar inputs. Each channel includes a sample-and-hold circuit, enabling simultaneous high-speed multi-channel signal acquisition. The ADS8558IPMR is designed for industrial applications, operating over a wide temperature range of –40°C to 125°C and is packaged in a 64-pin LQFP package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Number of Channels | 6 | |
| Maximum Data Rate (Parallel Interface) | 730 kSPS | |
| Maximum Data Rate (Serial Interface) | 500 kSPS | |
| Input Voltage Range | ±2 VREF or ±4 VREF | V |
| Reference Voltage Range | 0.5 V to 3.0 V | V |
| Supply Voltage (AVDD) | 4.5 V to 5.5 V | V |
| Supply Voltage (BVDD) | 2.7 V to 5.5 V | V |
| Operating Temperature Range | –40°C to 125°C | °C |
| Package Type | LQFP-64 | |
| Junction-to-Ambient Thermal Resistance | 50.3 °C/W | °C/W |
Key Features
- Family of pin- and software-compatible ADCs with 12-bit resolution.
- Six SAR ADCs grouped in three pairs for simultaneous sampling.
- Pin-selectable or programmable input voltage ranges up to ±12 V.
- Excellent signal-to-noise performance with SNR of 73.9 dB.
- Programmable and buffered internal reference: 0.5 V to 2.5 V and 0.5 V to 3.0 V.
- Comprehensive power-down modes: Deep Power-Down, Partial Power-Down, and Auto-Nap Power-Down.
- Selectable parallel or serial interface with configurable bus width.
Applications
- Power Quality Measurement
- Protection Relays
- Multi-Axis Motor Control
- Programmable Logic Controllers
- Industrial Data Acquisition
Q & A
- What is the resolution of the ADS8558IPMR?
The ADS8558IPMR has a 12-bit resolution.
- How many channels does the ADS8558IPMR have?
The device has six channels.
- What is the maximum data rate in parallel interface mode?
The maximum data rate in parallel interface mode is 730 kSPS.
- What are the input voltage ranges for the ADS8558IPMR?
The input voltage ranges are ±2 VREF or ±4 VREF.
- What is the operating temperature range of the ADS8558IPMR?
The operating temperature range is –40°C to 125°C.
- What types of power-down modes are available on the ADS8558IPMR?
The device supports Deep Power-Down, Partial Power-Down, and Auto-Nap Power-Down modes.
- Can the interface mode be selected on the ADS8558IPMR?
- What is the package type of the ADS8558IPMR?
The device is packaged in a 64-pin LQFP package.
- What is the junction-to-ambient thermal resistance of the ADS8558IPMR?
The junction-to-ambient thermal resistance is 50.3 °C/W.
- What are some typical applications of the ADS8558IPMR?
Typical applications include Power Quality Measurement, Protection Relays, Multi-Axis Motor Control, Programmable Logic Controllers, and Industrial Data Acquisition.
