MAX11208
20-Bit, Single-Channel, Ultra-Low-Power, Delta-Sigma ADC with 2-Wire Serial Interface
Experience the Industry's Highest ENOB 20-bit ADC at < 1mW
MyMaxim SubscriptionsProduct Details
Key Features
Applications/Uses
| Resolution (bits) (ADC) | 20 |
| # Input Channels | 1 |
| Conv. Rate (ksps) (max) | 0.12 |
| Data Bus | SPI |
| ADC Architecture | Sigma-Delta |
| Diff/S.E. Input | Both |
| External VREF (V) (min) | 0 |
| External VREF (V) (max) | 3.6 |
| Unipolar VIN (V) (max) | 3.6 |
| Bipolar VIN (±V) (max) | 3.6 |
| INL (±LSB) | 10 |
| Package/Pins | UMAX/10 |
| Budgetary Price (See Notes) | 2.49 |
Simplified Block Diagram
Technical Docs
| Data Sheet | 20-Bit, Single-Channel, Ultra-Low-Power, Delta-Sigma ADC with 2-Wire Serial Interface | Dec 15, 2021 |
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) | 20 |
| # Input Channels | 1 |
| Conv. Rate (ksps) (max) | 0.12 |
| Data Bus | SPI |
| ADC Architecture | Sigma-Delta |
| Diff/S.E. Input | Both |
| External VREF (V) (min) | 0 |
| External VREF (V) (max) | 3.6 |
| Unipolar VIN (V) (max) | 3.6 |
| Bipolar VIN (±V) (max) | 3.6 |
| INL (±LSB) | 10 |
| Package/Pins | UMAX/10 |
| Budgetary Price (See Notes) | 2.49 |
Key Features
- 20-Bit Full-Scale Resolution
- 20-Bit Noise-Free Resolution at 13.75sps
- 19-Bit Noise-Free Resolution at 120sps
- 720nVRMS Noise (MAX11208B)
- 3ppm INL
- No Missing Codes
- Ultra-Low Power Dissipation
- Operating Mode Current Drain < 300µA (max)
- Sleep Mode Current Drain < 0.1µA
- 2.7V to 3.6V Analog Supply Voltage Range
- 1.7V to 3.6V Digital and I/O Supply Voltage Range
- Fully Differential Signal Inputs
- Fully Differential Reference Inputs
- Internal System Clock
- 2.4576MHz (MAX11208A)
- 2.2528MHz (MAX11208B)
- External Clock
- Serial 2-Wire Interface (Clock Input and Data Output)
- On-Demand Offset and Gain Self-Calibration
- -40°C to +85°C Operating Temperature Range
- ±2kV ESD Protection
- Lead(Pb)-Free and RoHS-Compliant µMAX Package
Applications/Uses
- Battery Applications
- Portable Instrumentation
- Sensor Measurement (Temperature and Pressure)
- Weigh Scales
Description
When used with the specified data rates, the internal digital filter provides more than 80dB rejection of 50Hz or 60Hz line noise. The MAX11208 provides a simple 2-wire serial interface in the space-saving, 10-pin µMAX® package. The MAX11208 operates over the -40°C to +85°C temperature range.
Technical Docs
| Data Sheet | 20-Bit, Single-Channel, Ultra-Low-Power, Delta-Sigma ADC with 2-Wire Serial Interface | Dec 15, 2021 |
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.
Request a Quote