Product Details
Key Features
Applications/Uses
Resolution (bits) (ADC) | 14 |
# Input Channels | 1 |
Conv. Rate (ksps) (max) | 200 |
Data Bus | SPI |
ADC Architecture | SAR |
Diff/S.E. Input | S.E. Only |
Internal VREF (V) (nominal) | 4.096 |
External VREF (V) (min) | 3 |
External VREF (V) (max) | 4.2 |
Unipolar VIN (V) (max) | 12 |
Bipolar VIN (±V) (max) | 12 |
INL (±LSB) | 1 |
Package/Pins | SSOP/20 |
Budgetary Price (See Notes) | 9.12 |
Simplified Block Diagram
Technical Docs
Data Sheet | 14-Bit ADC, 200ksps, +5V Single-Supply with Reference | Jun 01, 2001 |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.
Parameters
Resolution (bits) (ADC) | 14 |
# Input Channels | 1 |
Conv. Rate (ksps) (max) | 200 |
Data Bus | SPI |
ADC Architecture | SAR |
Diff/S.E. Input | S.E. Only |
Internal VREF (V) (nominal) | 4.096 |
External VREF (V) (min) | 3 |
External VREF (V) (max) | 4.2 |
Unipolar VIN (V) (max) | 12 |
Bipolar VIN (±V) (max) | 12 |
INL (±LSB) | 1 |
Package/Pins | SSOP/20 |
Budgetary Price (See Notes) | 9.12 |
Key Features
- 200ksps (bipolar) and 150ksps (unipolar) Sampling ADC
- 14-Bits, No Missing Codes
- 1LSB INL Guaranteed
- 81dB (min) SINAD
- +5V Single-Supply Operation
- Low Power Operation, 7.5mA (Unipolar Mode)
- 2.5µA Shutdown Mode
- Software-Configurable Unipolar & Bipolar Input Ranges
- 0 to +12V and ±12V (MAX1142)
- 0 to +4.096V and ±4.096V (MAX1143)
- Internal or External Reference
- Internal or External Clock
- SPI/QSPI/MICROWIRE-Compatible Wire Serial Interface
- Three User-Programmable Logic Outputs
- Small 20-Pin SSOP Package
Applications/Uses
- Data Acquisition
Description
The MAX1142/MAX1143 feature internal calibration circuitry to correct linearity and offset errors. On-demand calibration allows the user to optimize performance. Three user-programmable logic outputs are provided for the control of an 8-channel MUX or a PGA.
Technical Docs
Data Sheet | 14-Bit ADC, 200ksps, +5V Single-Supply with Reference | Jun 01, 2001 |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.