Maxim Integrated MAX1224
The MAX1224 has a unipolar analog input, while the MAX1225 has a bipolar analog input. These devices feature a partial power-down mode and a full power-down mode for use between conversions, which lower the supply current to 1mA (typ) and 1µA (max), respectively. The fast conversion speed, low-power dissipation, good AC performance, and DC accuracy (±1.5 LSB INL) make the MAX1224/MAX1225 ideal for industrial process control, motor control, and base-station applications.
| Part No. |
MAX1224 |
| Datasheet |
MAX1224
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| Manufacturer |
 Maxim Integrated |
| Description |
12-Bit ADCs |
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GENERAL DESCRIPTION
The MAX1224/MAX1225 low-power, high-speed, serialoutput, 12-bit, analog-to-digital converters (ADCs) operate at up to 1.5Msps. These devices feature true-differential inputs, offering better noise immunity, distortion improvements, and a wider dynamic range over singleended inputs. A standard SPI™/QSPI™/MICROWIRE™ interface provides the clock necessary for conversion. These devices easily interface with standard digital signal processor (DSP) synchronous serial interfaces. The MAX1224/MAX1225 operate from a single +2.7V to +3.6V supply voltage and require an external reference. Also featured is a separate power-supply input (VL), which allows direct interfacing to +1.8V to VDD digital logic. The MAX1224/MAX1225 come in a 12-pin TQFN package, and are available in the commercial (0°C to +70°C) and extended (-40°C to +85°C) temperature ranges. ♦ 1.5Msps Sampling Rate ♦ Only 18mW (typ) Power Dissipation ♦ Only 1µA (max) Shutdown Current ♦ High-Speed, SPI-Compatible, 3-W...
