MAX1841
PRODUCTIONLow-Voltage SIM/Smart-Card Level Translators in µMAX
Low-Voltage, High-Speed, SIM/Smart-Card Level Translator
- Part Models
- 1
- 1ku List Price
- Starting From $2.15
Overview
- SIM/Smart Card Level Shifting
- +1.4V to +5.5V Controller Voltage Range
- +1.7V to +5.5V Card Voltage Range
- ±10kV ESD Card Socket Protection
- Allows Level Translation with DVCC > VCC or DVCC < VCC
- Automatically Shuts Down When Either Supply Is Removed
- Card Contacts Actively Pulled Low During Shutdown
- 1µA Total Quiescent Supply Current
- 0.01µA Total Shutdown Supply Current
- Ultra-Small 10-Pin µMAX Package
- Compliant with GSM Test Specifications 11.11 and 11.12
The MAX1840/MAX1841 subscriber identity module (SIM)/smart card level translators provide level shifting and electrostatic discharge (ESD) protection for SIM and smart card ports. These devices integrate two unidirectional level shifters for the reset and clock signals, a bidirectional level shifter for the serial data stream, and ±10kV ESD protection on all card contacts.
The MAX1840 includes a SHDN control input to aid insertion and removal of SIM and smart cards, while the MAX1841 includes a system-side data driver to support system controllers without open-drain outputs. The logic supply voltage range is +1.4V to +5.5V for the "controller side" and +1.7V to +5.5V for the "card side." Total supply current is 1.0µA. Both devices automatically shut down when either power supply is removed. For a complete SIM card interface, combine the MAX1840/MAX1841 with the MAX1686H 0V/3V/5V regulated charge pump.
The MAX1840/MAX1841 are available in ultra-small 10-pin µMAX packages that are only 1.09mm high and half the area of an 8-pin SO.
The MAX1840/MAX1841 are compliant with GSM test specifications 11.11 and 11.12.
Applications
- Logic-Level Translation
- SIM Interface in GSM Cellular Telephones
- Smart Card Readers
- SPI™, QSPI™, and MICROWIRE™ Level Translation
Documentation
Data Sheet 1
Design Note 1
Technical Articles 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX1841EUB+ | MINI_SO |
This is the most up-to-date revision of the Data Sheet.
Hardware Ecosystem
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