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250MHz Multi-channel High Speed Analog Front-End (AFE) for LiDAR, 5G and imaging
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12-bit 2MS/s SAR ADC - TSMC, 110nm
The S3ADS2M12BT110 is an ultra-low power 12-bit SAR ADC IP with a sampling rate up to 2MS/s. The ADC includes an input multiplexer with 33 analog Single-Ended inputs.
At 2MS/s sampling rate, this 12-bit ADC features an outstanding dynamic performance that includes 65.4dB SNR and 10.5-bit ENOB.
It also features an outstanding static performance with < ±0.9 LSB DNL (no missing-codes) and < ±1.5 LSB INL.
The input signal sampling time is controlled externally, which makes this ADC very flexible and able to interface with multiple blocks with different output driving strengths.
This high-end performance is obtained with uA Supply Current during ADC conversion. In Idle mode, the ADC has no Power Dissipation and it is immediately ready for new conversions, not requiring any Wake-Up time.
At 2MS/s sampling rate, this 12-bit ADC features an outstanding dynamic performance that includes 65.4dB SNR and 10.5-bit ENOB.
It also features an outstanding static performance with < ±0.9 LSB DNL (no missing-codes) and < ±1.5 LSB INL.
The input signal sampling time is controlled externally, which makes this ADC very flexible and able to interface with multiple blocks with different output driving strengths.
This high-end performance is obtained with uA Supply Current during ADC conversion. In Idle mode, the ADC has no Power Dissipation and it is immediately ready for new conversions, not requiring any Wake-Up time.
Features
- TSMC 110nm G Process
- No Analog Options
- 3.3V Analog and 1.2V Digital Supplies
- 12-bit SAR ADC
- Sampling Rate up to 2MS/s
- Power Scales with Sampling Rate
- Programmable Sampling Time
- 33 MUX Single-Ended Inputs
- Input Signal Range: 0V to AVDD
- Static Performance:
- DNL < ±0.9 LSB (no Missing-Codes)
- INL < ±1.5 LSB
- Dynamic Performance:
- 76.0dBc SFDR
- -75.0dB THD
- 65.4dB SNR
- 10.5-bit ENOB
- ADC Conversion and Idle Modes
- Idle Mode:
- No Power Dissipation
- No Wake-Up Time
- Ultra Low Power Dissipation:
Benefits
- The S3ADS2M12BT110 does not require any special analog options and can be cost-effectively ported across foundries and process nodes upon request.
Deliverables
- Datasheet
- Characterization Report
- Flat Netlist (cdl)
- Layout View (gds2)
- Abstract View (lef)
- Timing View (lib)
- Behavioral Model (Verilog)
- Integration Support
Applications
- Motion and Environmental Sensing
- Automotive Applications
- Industrial Control
- Home Automation
- Consumer Electronics
- Auxiliary Control
Block Diagram of the 12-bit 2MS/s SAR ADC - TSMC, 110nm
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