ADC121S101-Q1 Automotive Single Channel, 0.5 to 1 Msps, 12-Bit A/D Converter | TI.com

ADC121S101-Q1 (ACTIVE)

Automotive Single Channel, 0.5 to 1 Msps, 12-Bit A/D Converter

 

Description

The ADC121S101 is a low-power, single-channel CMOS 12-bit analog-to-digital converter with a high-speed serial interface. Unlike the conventional practice of specifying performance at a single sample rate only, the ADC121S101 is fully specified over a sample rate range of 500 ksps to 1 Msps. The converter is based upon a successive-approximation register architecture with an internal track-and-hold circuit.

The output serial data is straight binary, and is compatible with several standards, such as SPI™, QSPI™, MICROWIRE, and many common DSP serial interfaces.

The ADC121S101 operates with a single supply with a range from 2.7 V to 5.25 V. Normal power consumption using a 3 V or 5 V supply is 2 mW and 10 mW, respectively. The power-down feature reduces the power consumption to as low as 2.6 µW using a 5-V supply.

The ADC121S101 is packaged in 6-pin WSON and SOT-23 packages. Operation over the temperature range of –40°C to 125°C is specified.

Features

  • Specified Over a Range of Sample Rates
  • 6-Pin WSON and SOT-23 Packages
  • Variable Power Management
  • Single Power Supply With 2.7 V to 5.25 V Range
  • SPI™, QSPI\xE2™, MICROWIRE, and DSP
    Compatible
  • AEC-Q100 Grade 1 Qualified
  • DNL: +0.5 / –0.3 LSB (Typical)
  • INL: ±0.40 LSB (Typical)
  • Power Consumption:
    • 3-V Supply: 2 mW (Typical)
    • 5-V Supply: 10 mW (Typical)

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Parametrics Compare all products in Precision ADCs (<=10MSPS)

 
Resolution (Bits)
Sample Rate (Max) (kSPS)
Number of input channels
Interface
Operating temperature range (C)
Package Group
Approx. price (US$)
Power consumption (Typ) (mW)
Package size: mm2:W x L (PKG)
Architecture
Input type
Multi-channel configuration
Reference mode
Features
Input range (Max) (V)
Input range (Min) (V)
Analog voltage AVDD (Min) (V)
Analog voltage AVDD (Max) (V)
Digital supply (Min) (V)
Digital supply (Max) (V)
INL (Max) (+/-LSB)
SINAD (dB)
SNR (dB)
THD (Typ) (dB)
Rating
ADC121S101-Q1
12    
1000    
1    
Microwire (Serial I/O)
QSPI
SPI    
-40 to 125    
SOT-23 | 6    
2.27 | 1ku    
2    
6SOT-23: 8 mm2: 2.8 x 2.9 (SOT-23 | 6)    
SAR    
Single-Ended    
   
Supply    
Small Size    
5.25    
0    
2.7    
5.25    
2.7    
5.25    
1    
72    
72.5    
-80    
Automotive