The ADS8681, ADS8685, and ADS8689 belong to a family of integrated data acquisition system based on a successive approximation (SAR) analog-to-digital converter (ADC). The devices feature a high-speed, high-precision SAR ADC, integrated analog front-end (AFE) input driver circuit, overvoltage protection circuit up to ±20 V, and an on-chip 4.096-V reference w.
•1 16-Bit ADC With Integrated Analog Front-End
• High Speed:
– ADS8681: 1 MSPS
– ADS8685: 500 kSPS
– ADS8689: 100 kSPS
• Software Programmable Input Ranges:
– Bipolar Ranges: ±12.288 V, ±10.24 V,
±6.144 V, ±5.12 V, and ±2.56 V
– Unipolar Ranges: 0 V
–12.288 V, 0 V
–10.24 V,
0 V
–6.144 V, and 0 V
–5.12 V
• 5-V Analog Supply: 1.65-V to 5-V I/O Supply
• Constant Resistive Input Impedance ≥ 1 MΩ
• Input Overvoltage Protection: Up to ±20 V
• On-Chip, 4.096-V Reference With Low Drift
• Excellent Performance:
– DNL: ±0.4 LSB; INL: ±0.5 LSB
– SNR: 92 dB; THD:
–107 dB
• ALARM → High, Low Threshold
• multiS.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | ADS8681 |
Texas Instruments |
SAR ADC Data Acquisition | |
2 | ADS8684 |
Texas Instruments |
SAR ADC | |
3 | ADS8684A |
Texas Instruments |
SAR ADC | |
4 | ADS8688 |
Texas Instruments |
SAR ADC | |
5 | ADS8688A |
Texas Instruments |
SAR ADC | |
6 | ADS8689 |
Texas Instruments |
SAR ADC Data Acquisition | |
7 | ADS8608A8A |
A-Data Technology |
Synchronous DRAM(8M X 8 Bit X 4 Banks) | |
8 | ADS8608A8A-75 |
A-Data Technology |
Synchronous DRAM(8M X 8 Bit X 4 Banks) | |
9 | ADS8608A8A-75A |
A-Data Technology |
Synchronous DRAM(8M X 8 Bit X 4 Banks) | |
10 | ADS8616A8A |
A-Data Technology |
Synchronous DRAM(4M X 16 Bit X 4 Banks) | |
11 | ADS8616A8A-75 |
A-Data Technology |
Synchronous DRAM(4M X 16 Bit X 4 Banks) | |
12 | ADS8616A8A-75A |
A-Data Technology |
Synchronous DRAM(4M X 16 Bit X 4 Banks) |