| ADS7891 Description |
| 2.7V-5.25V Digital, 5V Analog, 14 bit, 3 MSPS, Parallel ADC W/Ref |
| ADS7891 Vendor |
| Texas Instruments |
| ADS7891 Categories |
|
| ADS7891 Features |
- 3 MHz Sample Rate, 14-Bit Resolution
- Zero Latency
- Unipolar, Pseudo Differential Input, Range:
- High Speed Parallel Interface
- 78 dB SNR and 88.5 dB THD at 3 MSPS
- Power Dissipation 85 mW at 3 MSPS
- Nap Mode (10 mW Power Dissipation)
- Power Down (10 µW)
- Internal Reference
- Internal Reference Buffer
- 8-/14-Bit Bus Transfer
- 48-Pin TQFP Package
- APPLICATIONS
- Optical Networking (DWDM, MEMS Based Switching)
- Spectrum Analyzers
- High Speed Data Acquisition Systems
- High Speed Close-Loop Systems
- Telecommunication
- Ultra-Sound Detection
|
| ADS7891 Datasheet and Application Notes |
|
| Parameter | Value |
| Resolution (Bits) | 14 |
| Sample Rate (max) | 3MSPS |
| Search Sample Rate (Max) (SPS) | 3000000 |
| Architecture | SAR |
| Power Consumption (Typ) (mW) | 85 |
| Bipolar | No |
| SINAD (dB) | 77 |
| SNR (dB) | 77.5 |
| SFDR (dB) | 88 |
| DNL (Max) (+/-LSB) | +1.5/-1 |
| INL (Max) (+/-LSB) | 1.5 |
| 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 ADS7891 |
| ADS7891IPFBT ADS7891IPFBR |