--- 產(chǎn)品詳情 ---
具有 8 通道多路復(fù)用器和分線板的 2.7V 至 5.5V、16 位、500kSPS 低功耗串行 ADC
Resolution (Bits) | 16 |
Number of input channels | 8 |
Sample rate (Max) (kSPS) | 500 |
Interface type | SPI |
Architecture | SAR |
Input type | Pseudo-Differential, Single-Ended |
Multi-channel configuration | Multiplexed |
Rating | Catalog |
Reference mode | Ext |
Input range (Max) (V) | 4.2 |
Input range (Min) (V) | 0 |
Features | Daisy-Chainable |
Operating temperature range (C) | -40 to 85 |
Power consumption (Typ) (mW) | 14.2 |
Analog voltage AVDD (Min) (V) | 2.7 |
SNR (dB) | 91.5 |
Analog voltage AVDD (Max) (V) | 5.5 |
INL (Max) (+/-LSB) | 2 |
Digital supply (Min) (V) | 1.65 |
Digital supply (Max) (V) | 5.5 |
- Low-Power, Flexible Supply Range:
- 2.7-V to 5.5-V Analog Supply
- 8.7 mW (250 kSPS in Auto-NAP Mode,
VA = 2.7 V, VBD = 1.65 V) - 14.2 mW (500 kSPS, VA = 2.7 V,
VBD = 1.65 V)
- Up to 500-kSPS Sampling Rate
- Excellent DC Performance:
- ±1.2 LSB Typical, ±2 LSB Maximum INL at
2.7 V - ±0.6 LSB Typical, –1/1.5 LSB Maximum DNL
at 2.7 V - 16-Bit NMC Over Temperature
- ±1.2 LSB Typical, ±2 LSB Maximum INL at
- Excellent AC Performance at 5 V, fIN = 1 kHz:
- 91.5-dB SNR, 101-dB SFDR, –100-dB THD
- Flexible Analog Input Arrangement:
- On-Chip 4-/8-Channel Mux With Breakout
- Auto/Manual Channel Select and Trigger
- Other Hardware Features:
- On-Chip Conversion Clock (CCLK)
- Software/Hardware Reset
- Programmable Status/Polarity EOC/INT
- Daisy-Chain Mode
- Global CONVST (Independent of CS)
- Deep, Nap, and Auto-NAP Powerdown Modes
- SPI?/DSP Compatible Serial Interface
- Separate I/O Supply: 1.65 V to VA
- SCLK up to 40 MHz (VA = VBD = 5 V)
- 24-Pin 4-mm × 4-mm VQFN and 24-Pin TSSOP
Packages
The ADS8331 is a low-power, 16-bit, 500-k samples-per-second (SPS) analog-to-digital converter (ADC) with a unipolar, 4-to-1 multiplexer (mux) input. The device includes a 16-bit capacitor-based successive approximation register (SAR) ADC with inherent sample and hold.
The ADS8332 is based on the same core and includes a unipolar 8-to-1 input mux. Both devices offer a high-speed, wide-voltage serial interface and are capable of daisy-chain operation when multiple converters are used.
These converters are available in 24-pin, 4 × 4 QFN and 24-pin TSSOP packages and are fully specified for operation over the industrial –40°C to 85°C temperature range.
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