| ADS7844 Description |
| 12-Bit, 8-Channel Serial Output Sampling Analog-To-Digital Converter |
| ADS7844 Vendor |
| Texas Instruments |
| ADS7844 Categories |
|
| ADS7844 Features |
- SINGLE SUPPLY: 2.7V to 5V
- 8-CHANNEL SINGLE-ENDED OR 4-CHANNEL DIFFERENTIAL INPUT
- UP TO 200kHz CONVERSION RATE
- ±1 LSB MAX INL AND DNL
- NO MISSING CODES
- 72dB SINAD
- SERIAL INTERFACE
- 20-LEAD QSOP AND 20-LEAD SSOP PACKAGES
- ALTERNATE SOURCE FOR MAX147
- APPLICATIONS
- DATA ACQUISITION
- TEST AND MEASUREMENT
- INDUSTRIAL PROCESS CONTROL
- PERSONAL DIGITAL ASSISTANTS
- BATTERY-POWERED SYSTEMS
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| ADS7844 Datasheet and Application Notes |
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| Parameter | Value |
| Resolution (Bits) | 12 |
| Sample Rate (max) | 200kSPS |
| Search Sample Rate (Max) (SPS) | 200000 |
| Architecture | SAR |
| # Input Channels (SE) | 8 |
| # Input Channels (Diff) | 4 |
| Power Consumption (Typ) (mW) | 0.84 |
| Bipolar | No |
| SINAD (dB) | 72 |
| SNR (dB) | 72 |
| SFDR (dB) | 78 |
| DNL (Max) (+/-LSB) | 1 |
| INL (Max) (+/-LSB) | 1 |
| INL (+/- %) (Max) | 0.024 |
| No Missing Codes (Bits) | 12 |
| Analog Voltage AV/DD (Min) (V) | 2.7 |
| 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 |
| Input Configuration Range | VREF |
| No. of Supplies | 1 |
| Pin/Package | 20SSOP |
| Approx. 1KU Price (US$) | 2.9 |
| Products related to ADS7844 |
ADS7844N ADS7844EB ADS7844N/1K ADS7844NB/1K
ADS7844E/2K5 ADS7844E ADS7844NB ADS7844EB/2K5
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