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Texas Instruments ADS8900B | Demoboard TIDA-01351
High-Resolution, High-SNR True Raw Data Conversion Reference Design for Ultrasound CW Doppler
Details
| Topologie | Sonstige Topologie |
Beschreibung
The TIDA-01351 is a continuous wave (CW) signal conditioning subsystem for ultrasound imaging systems (64-, 128-, 192-, 256-channel ultrasound system). This design features 20-bit fully differential simultaneous sampling with true raw data available for processing. This TI Design consists of a fullydifferential signal path for I and Q channels, each using high-performance SAR analog-to-digital converters (ADCs) (ADS8900B), fully-differential precision amplifiers (THS4551), a dual low-noise, lowdropout (LDO) voltage regulator (TPS7A8801), and a precision voltage reference (REF5050). The TIDA-01351 can be interfaced with the PH1-EVM controller through the multiSPI™ digital interface, and the performance can be evaluated using a PC-based application (GUI) from any PC through the USB interface.
Eigenschaften
- Two simultaneous channels (I and Q) fully-differential signal chain providing zero-latency true raw data With SNR of 101.2dB and ENOB of 16.45
- 8-channel summing, filtering, buffering, and gain implemented in single-stage-high-bandwidth, low-power, low-noise, single supply
- High sampliing rate of 1 MSPS allows flexibility in post-processing to improve SNR and resolution
- Bandpass filtering for frequency range of 50 Hz to 20 kHz
- Operates from single 6-V power supply with total power consumption of 258 mW
- Designed using 20-bit, 1 MSPS SAR ADC (ADS8900B) with INL of 1ppm and SNR of 104.5dB
Typische Anwendungen
- Mother and Neonatal Care Monitors / Ultrasound Scanners
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Tol. C | VR(V (DC)) | Bauform | Betriebstemperatur | DF(%) | RISO | Keramiktyp | L(mm) | B(mm) | H(mm) | Fl(mm) | Verpackung | Ti | Ø ID(mm) | Ø OD(mm) | VPE | Pins | Typ | Montageart | IR(A) | Arbeitsspannung(V (AC)) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 25 V(DC), 1 µF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 25 V(DC) | Kapazität1 µF | Kapazität±10% | Nennspannung25 V (DC) | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | Verlustfaktor10 % | Isolationswiderstand0.5 GΩ | KeramiktypX7R Klasse II | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | Pad Dimension0.4 mm | Verpackung7" Tape & Reel | – | – | – | Verpackungseinheit4000 | – | – | – | – | – | |||||
 | WA-SMSI SMT Stahl Spacer mit Innengewinde M3, –, – | Simulation– | Downloads6 Dateien | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWA-SMSI SMT Stahl Spacer mit Innengewinde M3 | – | – | – | – | Betriebstemperatur -55 °C up to +150 °C | – | – | – | Länge5 mm | – | – | – | VerpackungTape and Reel | InnengewindeM3 | Innendurchmesser4.2 mm | Außendurchmesser6 mm | Verpackungseinheit650 | – | – | – | – | – | ||
 | WR-PHD Stiftleisten - Einreihig, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | – | – | – | – | Betriebstemperatur -40 °C up to +105 °C | – | Isolationswiderstand1000 MΩ | – | Länge5.08 mm | – | – | – | VerpackungBeutel | – | – | – | – | Pins2 | TypGerade | MontageartTHT | Nennstrom3 A | Arbeitsspannung250 V (AC) |