MAX11645
Low-Power, 1-/2-Channel, I²C, 12-Bit ADCs in Ultra-Tiny 1.9mm x 2.2mm Package
1-/2-Channel, 12-Bit ADCs Broaden the Industry's Largest I²C Portfolio
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Key Features
Applications/Uses
| Resolution (bits) (ADC) | 12 |
| # Input Channels | 2 |
| Conv. Rate (ksps) (max) | 94.4 |
| Data Bus | I2C |
| ADC Architecture | SAR |
| Diff/S.E. Input | Both |
| Internal VREF (V) (nominal) | 2.048 |
| External VREF (V) (min) | 1 |
| External VREF (V) (max) | 3.6 |
| Unipolar VIN (V) (max) | 2.048 |
| Bipolar VIN (±V) (max) | 1.024 |
| INL (±LSB) | 1 |
| Package/Pins | UMAX/8 WLP/12 |
| Budgetary Price (See Notes) | 1.33 |
Simplified Block Diagram
Technical Docs
| Data Sheet | Low-Power, 1-/2-Channel, I²C, 12-Bit ADCs in Ultra-Tiny 1.9mm x 2.2mm Package | Oct 25, 2010 |
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) | 12 |
| # Input Channels | 2 |
| Conv. Rate (ksps) (max) | 94.4 |
| Data Bus | I2C |
| ADC Architecture | SAR |
| Diff/S.E. Input | Both |
| Internal VREF (V) (nominal) | 2.048 |
| External VREF (V) (min) | 1 |
| External VREF (V) (max) | 3.6 |
| Unipolar VIN (V) (max) | 2.048 |
| Bipolar VIN (±V) (max) | 1.024 |
| INL (±LSB) | 1 |
| Package/Pins | UMAX/8 WLP/12 |
| Budgetary Price (See Notes) | 1.33 |
Key Features
- Ultra-Tiny 1.9mm x 2.2mm Wafer Level Package
- High-Speed I²C-Compatible Serial Interface
- 400kHz Fast Mode
- 1.7MHz High-Speed Mode
- Single-Supply
- 2.7V to 3.6V (MAX11645)
- 4.5V to 5.5V (MAX11644)
- Internal Reference
- 2.048V (MAX11645)
- 4.096V (MAX11644)
- External Reference: 1V to VDD
- Internal Clock
- 2-Channel Single-Ended or 1-Channel Fully Differential
- Internal FIFO with Channel-Scan Mode
- Low Power
- 670µA at 94.4ksps
- 230µA at 40ksps
- 60µA at 10ksps
- 6µA at 1ksps
- 0.5µA in Power-Down Mode
- Software-Configurable Unipolar/Bipolar
Applications/Uses
- Battery-Powered Test Equipment
- Handheld Portable Applications
- Medical Instruments
- Power-Supply Monitoring
- Received-Signal-Strength Indicators
- Solar-Powered Remote Systems
- System Supervision
Description
The full-scale analog input range is determined by the internal reference or by an externally applied reference voltage ranging from 1V to VDD. The MAX11645 features a 2.048V internal reference and the MAX11644 features a 4.096V internal reference.
The MAX11644/MAX11645 are available in an ultra-tiny 1.9mm x 2.2mm WLP package and an 8-pin µMAX® package. The MAX11644/MAX11645 are guaranteed over the extended temperature range (-40°C to +85°C). For pin-compatible 10-bit parts, refer to the MAX11646/MAX11647 data sheet.
Technical Docs
| Data Sheet | Low-Power, 1-/2-Channel, I²C, 12-Bit ADCs in Ultra-Tiny 1.9mm x 2.2mm Package | Oct 25, 2010 |
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.
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