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16-Bit, 100-kSPS, 1-Ch SAR ADC with programmable (±12/±10/±6/±5/±2.5V) input ranges on +5V supply

NEW - Custom reel may be available
Inventory: 72,189
Download data sheet for the ADS8689
  |   View additional information for the ADS8689

Quality information

RoHS Yes
Lead finish / Ball material NIPDAU
MSL rating / Peak reflow Level-3-260C-168 HR
Material content View
DPPM / MTBF / Fit rate View
Qualification summary View
Ongoing reliability monitoring View
Device marking View

Packaging information

Package | Pins Operating temperature range (°C) Package qty | Carrier:
TSSOP (PW) | 16 Q (-40 to 125) 2,000 | LARGE T&R
Custom reel may be available
View more packaging information

Features for the  ADS8689

  • 16-Bit ADC With Integrated Analog Front-End
  • High Speed:
    • ADS8681: 1MSPS
    • ADS8685: 500kSPS
    • 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–6.144V, 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: –107dB
  • ALARM → High, Low Threshold
  • multiSPI™ Interface With Daisy-Chain
  • Extended Industrial Temperature Range:
    –40°C to +125°C

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Description for the ADS8689

The ADS8681, ADS8685, and ADS8689 belong to a family of integrateddata 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-chip4.096-V reference with extremely low temperature drift.

The devices operate on a single 5-V analog supply, but support true bipolar input rangesof ±12.288 V, ±6.144 V, ±10.24 V,±5.12 V, and ±2.56 V, as well as unipolar input ranges of0 V to 12.288 V, 0 V to10.24 V, 0 V to 6.144 V, and 0 Vto 5.12 V. The gain and offset errors are accurately trimmed within the specifiedvalues for each input range to ensure high dc precision. The input range selection is done bysoftware programming of the device internal registers. The devices offer a high resistive inputimpedance (≥ 1 MΩ) irrespective of the selected input range.

The multiSPI digital interface is backward-compatible to the traditional SPI protocol.Additionally, configurable features simplify interface to a wide range of host controllers.


Qty Price(USD)
1-99 $3.886
100-249 $3.168
250-999 $2.490
1,000+ $2.112

Additional package qty | carrier options

Package qty | Carrier 90 | TUBE
Inventory 1,005
Qty | Price (USD) 1ku | $2.534 1-99 $4.663 100-249 $3.801 250-999 $2.988 1,000+ $2.534