Linear Technology LTC1861
The LTC1861 offers a software-selectable 2-channel MUX and an adjustable reference pin on the MSOP version. The 3-wire, serial I/O, MSOP or SO-8 package and extremely high sample rate-to-power ratio make these ADCs ideal choices for compact, low power, high speed systems. These ADCs can be used in ratiometric applications or with external references.| Part No. | LTC1861 |
|---|---|
| Datasheet | LTC1861 Download |
| Manufacturer |  Linear Technology |
| Description | 1- and 2-Channel ADCs |
| Buy | Stock & Price |
FEATURES
nn 12-Bit 250ksps ADCs in MSOP Package nn Single 5V Supply nn Low Supply Current: 850µA (Typ) nn Auto Shutdown Reduces Supply Current to 2µA at 1ksps nn True Differential Inputs nn 1-Channel (LTC1860) or 2-Channel (LTC1861) Versions nn SPI/MICROWIRETM Compatible Serial I/O nn High Speed Upgrade to LTC1286/LTC1298 nn Pin Compatible with 16-Bit LTC1864/LTC1865 nn Guaranteed Operation to 125°C (MSOP Package)APPLICATIONS
nn High Speed Data Acquisition nn Portable or Compact Instrumentation nn Low Power Battery-Operated Instrumentation nn Isolated and/or Remote Data AcquisitionDESCRIPTION
The LTC®1860/LTC1861 are 12-bit A/D converters that are offered in MSOP and SO-8 packages and operate on a single 5V supply. At 250ksps, the supply current is only 850µA. The supply current drops at lower speeds because the LTC1860/LTC1861 automatically power down to a typical supply current of 1nA between conversions. These 12-bit switched capacitor successive approximation ADCs include sample-and-holds.
