--- 產品詳情 ---
Resolution (Bits) | 12 |
Number of input channels | 1 |
Sample rate (Max) (kSPS) | 500 |
Interface type | SPI, Microwire (Serial I/O) |
Architecture | SAR |
Input type | Single-Ended |
Rating | Catalog |
Reference mode | Supply |
Input range (Max) (V) | 5.25 |
Input range (Min) (V) | 0 |
Features | Small Size |
Operating temperature range (C) | -40 to 85 |
Power consumption (Typ) (mW) | 1.7 |
Analog voltage AVDD (Min) (V) | 2.7 |
SNR (dB) | 72 |
Analog voltage AVDD (Max) (V) | 5.25 |
INL (Max) (+/-LSB) | 1 |
Digital supply (Min) (V) | 2.7 |
Digital supply (Max) (V) | 5.25 |
- Specified Over a Range of Sample Rates.
- 6-lead WSON and SOT-23 Packages
- Variable Power Management
- Single Power Supply with 2.7V – 5.25V Range
- SPI?/QSPI?/MICROWIRE/DSP Compatible
The ADC121S051 is a low-power, single channel CMOS 12-bit analog-to-digital converter with a high-speed serial interface. Unlike the conventional practice of specifying performance at a single sample rate only, the ADC121S051 is fully specified over a sample rate range of 200 ksps to 500 ksps. The converter is based upon a successive-approximation register architecture with an internal track-and-hold circuit.
The output serial data is straight binary, and is compatible with several standards, such as SPI?, QSPI?, MICROWIRE, and many common DSP serial interfaces.
The ADC121S051 operates with a single supply that can range from +2.7V to +5.25V. Normal power consumption using a +3.6V or +5.25V supply is 1.7 mW and 8.7 mW, respectively. The power-down feature reduces the power consumption to as low as 2.6 μW using a +5.25V supply.
The ADC121S051 is packaged in 6-lead WSON and SOT-23 packages. Operation over the industrial temperature range of ?40°C to +85°C is ensured.
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