ADP3401ARU-REEL Analog Devices Inc, ADP3401ARU-REEL Datasheet
ADP3401ARU-REEL
Specifications of ADP3401ARU-REEL
Related parts for ADP3401ARU-REEL
ADP3401ARU-REEL Summary of contents
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FEATURES Handles all GSM Baseband Power Management Functions Four LDOs Optimized for Specific GSM Subsystems Charges Li-Mn Coin Cell for Real-Time Clock Charge Pump and Logic Level Translators for 3 V and 5 V GSM SIM Modules Thermally Enhanced ...
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ADP3401–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter SHUTDOWN SUPPLY CURRENT VBAT = Low (UVLO Low) VBAT = High (UVLO High) OPERATING GROUND CURRENT VCC and VRTC On VCC, VRTC and VSIM On All LDOs and VSIM On All LDOs and VSIM On UVLO ...
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Parameter CRYSTAL OSCILLATOR LDO (VTCXO) Output Voltage Line Regulation Load Regulation 3 Output Capacitor Dropout Voltage Ripple Rejection Output Noise Voltage VOLTAGE REFERENCE (REFOUT) Output Voltage Line Regulation Load Regulation Ripple Rejection Maximum Capacitive Load Output Noise Voltage REAL-TIME CLOCK ...
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ADP3401 Parameter SIM INTERFACE VSIM = 5 V RST RST CLK CLK I/O I/O I/O I/O VSIM = 3 V RST RST CLK CLK I/O I/O I/O I/O I/O Pull-Up Resistance to VSIM Max Frequency (CLK) Prop Delay (CLK) Output ...
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... Package Model Range Description ADP3401ARU – +85 C 28-Lead TSSOP CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the ADP3401 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges ...
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ADP3401 INPUTS UVLO CHRON PWRONKEY Don't care Bold denotes the active control signal. INPUTS VCC Off ...
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PWRONIN, SIMON, AND ANALOGON 300 250 PWRONIN AND SIMON 200 150 PWRONIN 100 VBAT – V Figure 2. Ground Current vs. Battery Voltage 140 120 100 VCC ...
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ADP3401 I LOAD I = 200 A VCC TIME – 200 s/DIV Figure 8. VCC Load Step I LOAD VCCA TIME – 100 s/DIV Figure 9. VCCA Load Step PWRONIN AND ANALOGON (2V/DIV) VCCA (100mV/DIV) VTCXO ...
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VCCA TCXO 400 300 200 REF 100 0 10 100 1k FREQUENCY – Hz Figure 14. Output Noise Density THEORY OF OPERATION The ADP3401 is a power management chip optimized for use with the AD20msp425 GSM baseband chipsets ...
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ADP3401 300 4-LAYER BOARD = 60 C/W JA 250 VBAT = 5.5V 200 VBAT = 6V 150 100 AMBIENT TEMPERATURE – C Figure 16. Total LDO Load Current vs. Temperature and VBAT Low Dropout ...
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ADP3401 VCC LEVEL RESETIN SHIFT VCC LEVEL CLKIN SHIFT VCC DATAIO Figure 19. Schematic for Level Translators Power-On/-Off ADP3401 handles all issues regarding power-on/-off of the hand- set possible to turn on the ADP3401 in three different ways: ...
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ADP3401 For the lowest ripple and best efficiency, use a 0.1 F, ceramic capacitor for the charge pump flying capacitor (CAP+ and CAP–). A good quality dielectric, such as X7R is recommended. Setting the Charger Turn-On Threshold The ADP3401 can ...