| ADS7890 Description |
| 2.7V-5.25V Digital, 5V Analog, 14 Bit, 1.25 MSPS, Serial ADC w/Ref |
| ADS7890 Vendor |
| Texas Instruments |
| ADS7890 Categories |
|
| ADS7890 Features |
- 1.25 MHz Sample Rate, 14-Bit Resolution
- Zero Latency
- Unipolar, Pseudo Differential Input, Range:
- SPI™ Compatible Serial Interface
- 77.5 dB SNR and -95 dB THD at 0.5 MHz I/P
- Power Dissipation 45 mW at 1.25 MSPS
- Nap Mode (10 mW Power Dissipation)
- Power Down (10 µW)
- Internal Reference
- Internal Reference Buffer
- 48-Pin TQFP Package
- APPLICATIONS
- Optical Networking (DWDM, MEMS Based Switching)
- Spectrum Analyzers
- High Speed Data Acquisition Systems
- High Speed Close-Loop Systems
- Telecommunication
|
| ADS7890 Datasheet and Application Notes |
|
| Parameter | Value |
| Resolution (Bits) | 14 |
| Sample Rate (max) | 1.25MSPS |
| Search Sample Rate (Max) (SPS) | 1250000 |
| Architecture | SAR |
| Power Consumption (Typ) (mW) | 45 |
| Bipolar | No |
| SINAD (dB) | 77.4 |
| SNR (dB) | 77.5 |
| SFDR (dB) | 100 |
| DNL (Max) (+/-LSB) | +1.5/-1 |
| INL (+/- %) (Max) | 0.009 |
| No Missing Codes (Bits) | 14 |
| Analog Voltage AV/DD (Min) (V) | 4.75 |
| Analog Voltage AV/DD (Max) (V) | 5.25 |
| Logic Voltage DV/DD (Min) (V) | 2.7 |
| Logic Voltage DV/DD (Max) (V) | 5.25 |
| Input Type | Voltage |
| Analog Input BW (MHz) | 50 |
| Input Configuration Range | Vref |
| No. of Supplies | 2 |
| Pin/Package | 48TQFP |
| Approx. 1KU Price (US$) | 10.5 |
| Products related to ADS7890 |
| ADS7890IPFBT ADS7890IPFBR |