Analog Devices Inc.
Analog Devices (NASDAQ: ADI) leads in crafting high-performance analog, mixed-signal, and digital signal processing integrated circuits. For decades, they've tackled signal processing challenges across global electronics. With over 100,000 clients, their products convert real-world phenomena into electrical signals. Merged with Maxim Integrated, they offer top-tier mixed-signal and power management technologies, solving complex problems from DC to 100 GHz and sensor to cloud.
View All Product from Analog Devices Inc.2.7V)20mA (VIN ‡3V)
The LTC®1555/LTC1556 provide power conversion andlevel shifting needed for 3V GSM cellular telephones tointerface with either 3V or 5V Subscriber Identity Mod-ules (SIMs). These parts contain a charge pump DC/DCconverter that delivers a regulated 5V to the SIM card.Input voltage may range from 2.7V to 10V, allowingdirect connection to the battery. Output voltage may beprogrammed to 3V, 5V or direct connection to the VIN pin.A soft start feature limits inrush current at turn-on,mitigating start-up problems that may result when theinput is supplied by another low power DC/DC converter.The LTC1556 also includes an auxiliary LDO regulator/power switch that may be used to power the frequencysynthesizer or other low power circuitry.Battery life is maximized by 60m A operating current and1m A shutdown current. Board area is minimized by minia-ture 16- and 20-pin narrow SSOP packages and the needfor only three small external capacitors.
TYPE | DESCRIPTION | Select all |
---|---|---|
Channel Type | Bidirectional | |
Mounting Type | Surface Mount | |
Translator Type | Voltage Level | |
Features | SIM Card Interface, Thermal-Shutdown Protection | |
Product Status | Active | |
Operating Temperature | 0°C ~ 70°C (TA) | |
Package | Tube | |
Data Rate | - | |
Output Type | Open Drain | |
Series | - | |
Output Signal | - | |
Input Signal | - | |
Voltage - VCCB | 2.7 V ~ 10 V | |
Voltage - VCCA | 1.8 V ~ 5.5 V | |
Channels per Circuit | 1 | |
Supplier Device Package | 20-SSOP | |
Number of Circuits | 1 | |
Package / Case | 20-SSOP (0.154", 3.90mm Width) |
Analog Devices Inc.
Analog Devices (NASDAQ: ADI) leads in crafting high-performance analog, mixed-signal, and digital signal processing integrated circuits. For decades, they've tackled signal processing challenges across global electronics. With over 100,000 clients, their products convert real-world phenomena into electrical signals. Merged with Maxim Integrated, they offer top-tier mixed-signal and power management technologies, solving complex problems from DC to 100 GHz and sensor to cloud.
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