The ADS7805 is a complete 16-bit sampling, Analog-to-Digital (A/D) converter using state-of-the-art CMOS structures. It contains a complete 16-bit, capacitor-based, Successive Approximation Register (SAR) A/D converter with Sample-and-Hold (S/H), reference, clock, interface for microprocessor use, and 3-state output drivers.
The ADS7805 is specified at a 100kHz sampling rate and ensured over the full temperature range. Laser-trimmed scaling resistors provide an industry-standard ±10V input range while the innovative design allows operation from a single +5V supply, with power dissipation under 100mW.
The ADS7805 is available in a 0.3" DIP-28 and an SO-28 package. Both are fully specified for operation over the industrial -25°C to +85°C range; however, they will function over the -40°C to +85°C temperature range.
Note: Recommended Voltage Reference: REF02 and REF102
| Resolution (Bits) | 16 |
| Sample rate (max) (ksps) | 100 |
| Number of input channels | 1 |
| Interface type | Byte-Wide, Parallel |
| Architecture | SAR |
| Input type | Single-ended |
| Rating | Catalog |
| Reference mode | External, Internal |
| Input voltage range (max) (V) | 10 |
| Input voltage range (min) (V) | -10 |
| Operating temperature range (°C) | -25 to 85 |
| Power consumption (typ) (mW) | 81.5 |
| Analog supply (min) (V) | 4.75 |
| Analog supply voltage (max) (V) | 5.25 |
| SNR (dB) | 86 |
| Digital supply (min) (V) | 4.75 |
| Digital supply (max) (V) | 5.25 |
| SOIC (DW) | 28 | 184.37 mm² 17.9 x 10.3 |
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