| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 20 Pin |
| Supply Voltage (DC) | 2.70V (min) |
| Case/Package | SOIC-20 |
| Supply Current | 1.10 mA |
| Number of Circuits | 1 Circuit |
| Number of Channels | 3 Channel |
| Number of Positions | 20 Position |
| Number of Bits | 16 Bit |
| Power Dissipation | 3.75 mW |
| Sample Rate | 500 SPS |
| Power Consumption | 3.75 mW |
| Resolution (Bits) | 16.0 Bit |
| Input Capacitance | 10.0 pF |
| Input Impedance | 9.00 GΩ |
| Number of ADCs | 1 ADC |
| Number of Inputs | 1, 2 Input |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 4.75 mW |
| Number of Input Channels | 1, 2 Channel |
| Supply Voltage (Max) | 5.25 V |
| Supply Voltage (Min) | 2.7 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 13 mm |
| Size-Width | 7.6 mm |
| Size-Height | 2.35 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The AD7707BRZ is a complete analog front ends sigma-delta Analog-to-digital Converter (ADC) for low frequency measurement applications. This 3-channel device can accept either low level input signals directly from a transducer or high level signals and produce a serial digital output. It employs a sigma-delta conversion technique to realize up to 16 bits of no missing codes performance. The selected input signal is applied to a proprietary programmable gain front end based around an analog modulator. The modulator output is processed by an on-chip digital filter. The first notch of this digital filter can be programmed via an on-chip control register allowing adjustment of the filter cut-OFF and output update rate. It is ideal for use in smart, microcontroller or DSP based systems. It features a serial interface that can be configured for 3-wire operation. Gain settings, signal polarity and update rate selection can be configured in software using the input serial port.
● True bipolar ±100mV capability on low level input
● Channels without requiring charge pumps
● Programmable gain front end gains from 1 to 128
● 3-wire serial interface SPI/QSPI™/MICROWIRE™/DSP compatible Schmitt trigger input on SCLK
● Ability to buffer the analog input
● Standby current 8µA maximum
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