12-bit, single-ended analog-to-digital converter (ADC) designed for resistive touchscreens. Features 2 analog inputs, 6 channels, and a unipolar polarity. Operates with a single supply voltage range of 1.6V to 3.6V, consuming a low 10nA operating supply current. Supports I2C, SPI, and 2-wire interfaces, with a sampling rate of 105 kS/s. Integral nonlinearity is 3 LSB, and full-scale error is 4 LSB. Packaged in tape and reel.
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Analog Devices AD7889-1ACBZ-RL7 technical specifications.
| Contact Plating | Copper, Tin, Silver |
| Full Scale Error | 4LSB |
| Input Capacitance | 30pF |
| Input Type | SINGLE-ENDED |
| Integral Nonlinearity (INL) | 3LSB |
| Interface | I2C, SPI, 2-Wire |
| Lead Free | Contains Lead |
| Max Input Voltage | 3.6V |
| Min Input Voltage | 1.6V |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 866mW |
| Max Supply Voltage | 3.6V |
| Min Supply Voltage | 1.6V |
| Number of A/D Converters | 1 |
| Number of Analog Inputs | 2 |
| Number of Channels | 6 |
| Operating Supply Current | 10nA |
| Operating Supply Voltage | 2.6V |
| Package Quantity | 3000 |
| Packaging | Tape and Reel |
| Polarity | Unipolar |
| Power Dissipation | 2.3mW |
| Resolution | 12b |
| RoHS Compliant | Yes |
| Sampling Rate | 105KS/s |
| Supply Type | Single |
| Touchscreen | Resistive |
| RoHS | Compliant |
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