产品特性- Two Synchronous Sampling 16/24-bit ResolutionDelta-Sigma A/D Converters
- 94.5 dB SINAD, -106.5 dBc Total Harmonic Distortion(THD)
- 2.7V - 3.6V AVDD, DVDD
- Programmable Data Rate up to 125 ksps
4 MHz Maximum Sampling Frequency
- 4 MHz Maximum Sampling Frequency
- Oversampling Ratio up to 4096
- Ultra Low Power Shutdown Mode with <2 µA
- -122 dB Crosstalk between the Two Channels
- Low Drift 1.2V Internal Voltage Reference: 7 ppm/°C
- Differential Voltage Reference Input Pins
- High Gain PGA on Each Channel (up to 32V/V)
- Phase Delay Compensation with 1 µs Time Resolution
- Separate Modulator Output Pins for Each Channel
- Separate Data Ready Pin for Easy Synchronization
- Individual 24-bit Digital Offset and Gain Error Correction for Each Channel
- High-Speed 20 MHz SPI Interface with Mode 0,0 and 1,1 Compatibility
- Continuous Read/Write Modes for Minimum Communication
- Low Power Consumption (8.9 mW at 3.3V, 5.6 mW at 3.3V in low-power mode, typical)
- Available in Small 20-lead QFN and SSOP Packages,Pin-to-pin Compatible with MCP3901
- Extended Temperature Range: -40°C to +125°C
- AEC-Q100 Grade 1
| 技术参数
Parameter Name
Value
| Value |
Measurement Error
0.1%
|
0.1%
|
Dynamic Range
10000:1
|
10000:1
|
Voltage Reference Drift ppm typ
7
|
7
|
PSRR % typ
-73 dB
|
-73 dB
|
Temp. Range (°C)
-40 to 125
|
-40 to 125
|
Analog Supply Voltage AVdd Range (V)
2.7 to 3.6
|
2.7 to 3.6
|
Digital Supply Voltage DVdd Range (V)
2.7 to 3.6
|
2.7 to 3.6
|
|