AD7980ARMZRL7
Analog to Digital Converters (ADC)
Technical Specifications
| Type | Description |
|---|---|
| Quiescent Current (Iq) | - |
| Integral non - linearity | 2.5LSB |
| Voltage Reference | External |
| Clock/Oscillator | Built-in |
| Resolution(Bits) | 1MHz;16 |
| S/N Ratio | 90dB |
| DNL (LSB) | 0.5LSB |
| ADC architecture | SAR |
| Type | Description |
|---|---|
| Programmable Gain | Not supported |
| Operating Temp | -40°C ~ +125°C |
| Interface | SPI |
| Working Voltage V | 2.5 V |
| Channels | 1.0 |
| Maximum Clock Speed | - |
| Features | Multi-chip synchronization |
| Package / Case | MSOP-10 |
Product Introduction
The AD7980 is a 16-bit, successive approximation ADC that operates from a single supply (VDD). It incorporates a low power, high speed, 16-bit sampling ADC and a versatile serial interface port. On the rising edge of CNV, the device samples the analog input voltage difference between IN+ and IN−, ranging from 0 V to REF. The reference voltage (REF) is supplied externally and can be independent of the supply voltage (VDD). Power dissipation scales linearly with throughput rate.
The SPI-compatible serial interface also features an SDI input that allows multiple ADCs to be daisy-chained on a single 3-wire bus, with optional busy indication. Using a separate supply VIO, it is compatible with 1.8 V, 2.5 V, 3 V, and 5 V logic.
The AD7980 is available in a 10-lead MSOP or 10-lead QFN (LFCSP) package and is rated over a temperature range of −40°C to +125°C.
Features
- 16-bit resolution, no missing codes
- Throughput rate: 1 MSPS
- Low power: 4 mW (1 MSPS, VDD only), 7 mW (1 MSPS, total power), 70 μW (10 kSPS)
- INL: ±0.6 LSB (typical), ±1.25 LSB (maximum)
- SINAD: 91.25 dB (10 kHz)
- THD: −110 dB (at 10 kHz)
- Pseudo-differential analog input range 0 V to VREF (VREF from 2.5 V to 5.5 V), any input range, easily driven with ADA4841
- No pipeline delay
- 2.5 V single-supply operation with 1.8 V/2.5 V/3 V/5 V logic interface
- Serial interface: SPI/QSPI/MICROWIRE/DSP compatible
- Daisy-chainable multiple ADCs with busy indicator
- 10-lead MSOP and 10-lead 3 mm×3 mm QFN (LFCSP), SOT-23 footprint compatible
- Wide operating temperature range: −40°C to +125°C
Applications
- - Battery-powered equipment - Communications - Automatic test equipment - Data acquisition - Medical instrumentation
Datasheet
Alternative Parts
Common AD7980ARMZRL7 alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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