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The AD7705 and AD7706 are complete 16-bit, low-cost, Sigma Delta ADCs intended for dc and low-frequency ac measurement applications. Their low power (1 mW max @ 3 V) allows them to be used in loop-powered, battery-powered or locally-powered applications. The on-chip Programmable Gain Amplifier with gain settings from I through 128 can accommodate both low-level and high-level analog inputs with no external signal conditioning hardware. The AD7705 has two differential channels while the AD7706 has one differential and two pseudo-differential channels. Differential reference inputs also allow maximum flexibility in tailoring the device for use in ratiometric applications.
| input_capacitance | 10.0 pF |
| supply_voltage_dc | 2.70 V (min) |
| mil_spec | No |
| power_dissipation | 6.50 mW |
| reach_svhc_compliance | No SVHC |
| lead_free_status | Contains Lead |
| mounting_style | Surface Mount |
| packaging | Tube, Rail |
| case_package | SOIC |
| sample_rate | 500 Hz |
| supply_current | 1.30 mA |
| lifecycle_status | Active |
| input_impedance | 9.00 GΩ |
| rohs_status | Compliant |
| pin_count | 16 |
| number_of_bits | 16 |
| resolution_bits | 16.0 |
| Resolution (Bits) | 16bit |
| Sampling Rate | 500SPS |
| Supply Voltage Type | Single |
| Supply Voltage Min | 2.7V |
| Supply Voltage Max | 5.25V |
| ADC / DAC Case Style | WSOIC |
| No. of Pins | 16Pins |
| Input Channel Type | Pseudo Differential |
| Data Interface | Microwire, QSPI, SPI |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Packaging | Each |
| Product Range | Triple 16-Bit Sigma-Delta ADCs |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | Yes |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (07-Jul-2017) |
| Supply Current | 1.3mA |
| Supply Voltage Range | 2.7V to 3.3V, 4.75V to 5.25V |
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