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Texas Instruments ADS7254IPWR | Demoboard TIDA-00202
SAR ADC, Dual, 1 MSPS, 12 Bit, Simultaneous Sampling
Overview
| Topology | Other Topology |
| Input voltage | 5 V |
| IC revision | E1 |
Description
The TIDA-00202 reference design implements an EMC compliant industrial hybrid analog and digital interface to a HIPERFACE position encoder. A 3.3V supply RS485 transceiver with IEC-ESD and IEC-EFT protection is used for the bidirectional parameter channel. For the analog sin/cos signal channel, two options are provided to offer flexibility for connection to processors with and without embedded ADC or redundancy by using both options simultaneously. The first option features a fully differential dual 12-bit ADC with SPI output, the second option features a dual differential input with single-ended analog output (0-3.3V). The design features an industrial compliant 24V input with wide range from 16V to 36V. The power supply for the encoder can be configured from 7 to 12V (default 11V) and offers short-circuit protection. A 3.3V I/O connector with analog and logic signals provides an easy interface to a host processor with HIPERFACE master IP core. For quick evaluation an example firmware is available for a C2000™ Piccolo MCU to calculate the absolute angle position and display it through virtual COM port.
Features
- EMC Compliant Interface to HIPERFACE Position Encoders with Digital Bidirectional Parameter Channel up to 38400 Baud and Analog Sin/Cos Channel with at least 150kHz Bandwidth.
- 3.3V Supply Half-Duplex RS485 Transceiver with 12kV IEC-ESD and 4kV IEC-EFT.
- Dual Signal Path Option for Sine and Cosine Signals with either Dual 12-bit ADC with SPI Output or Dual Analog Output (0-3.3V) to Offer Flexibility for Connection to MCU with and without Embedded ADC.
- Host Processor Interface (3.3V I/O) for Easy Connection to MCU like C2000™ for the HIPERFACE Master.
- Example Firmware on C2000™ Piccolo MCU to Calculate and Display the Interpolated Absolute Angle from HIPERFACE Position Encoders.
- Designed to Meet EMC Immunity for ESD, Fast Transient Burst, and Surge with Levels according to IEC61800-3.
Typical applications
- Factory Automation and Control
- Industrial Drives
- Servo Drives
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | C | Tol. C | VR (V (DC)) | Size | Q (%) | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | Pins | Gender | Type | Operating Temperature | Working Voltage (V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012005044 | SPEC | 8 files | WCAP-CSGP MLCCs 25 V(DC) | 47 pF | ±5% | 25 | 0402 | 1000 | – | 10 GΩ | NP0 Class I | 1 | 0.5 | 0.5 | 0.25 | 7" Tape & Reel | – | – | – | -55 °C up to +125 °C | – | ||
| 885012005061 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 100 pF | ±5% | 50 | 0402 | 1000 | – | 10 GΩ | NP0 Class I | 1 | 0.5 | 0.5 | 0.25 | 7" Tape & Reel | – | – | – | -55 °C up to +125 °C | – | ||
| 885012005063 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 220 pF | ±5% | 50 | 0402 | 1000 | – | 10 GΩ | NP0 Class I | 1 | 0.5 | 0.5 | 0.25 | 7" Tape & Reel | – | – | – | -55 °C up to +125 °C | – | ||
| 885012205037 | SPEC | 5 files | WCAP-CSGP MLCCs 16 V(DC) | 100 nF | ±10% | 16 | 0402 | – | 5 | 5 GΩ | X7R Class II | 1 | 0.5 | 0.5 | 0.25 | 7" Tape & Reel | – | – | – | -55 °C up to +125 °C | – | ||
| 885012206046 | SPEC | 8 files | WCAP-CSGP MLCCs 16 V(DC) | 100 nF | ±10% | 16 | 0603 | – | 3.5 | 5 GΩ | X7R Class II | 1.6 | 0.8 | 0.8 | 0.4 | 7" Tape & Reel | – | – | – | -55 °C up to +125 °C | – | ||
| 885012207026 | SPEC | 8 files | WCAP-CSGP MLCCs 10 V(DC) | 10 µF | ±10% | 10 | 0805 | – | 10 | 0.01 GΩ | X7R Class II | 2 | 1.25 | 1.25 | 0.5 | 7" Tape & Reel | – | – | – | -55 °C up to +125 °C | – | ||
 | 618009231121 | SPEC | – | 6 files | WR-DSUB 8.08 mm Female Angled PCB Connector w. Hex Screw | – | – | – | – | – | – | 5000 MΩ | – | 30.8 | – | – | – | Tray | 9 | Female | Angled | -55 °C up to +105 °C | 125 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012005044 | SPEC | |
| 885012005061 | SPEC | |
| 885012005063 | SPEC | |
| 885012205037 | SPEC | |
| 885012206046 | SPEC | |
| 885012207026 | SPEC | |
| 618009231121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | C | Tol. C | VR (V (DC)) | Size | Q (%) | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | Pins | Gender | Type | Operating Temperature | Working Voltage (V (AC)) | Samples |
|---|