Datasheet AD7414, AD7415 (Analog Devices) - 6

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AD7414 /AD7415 Data Sheet PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS AS 1 6 SDA NC 1 8 NC AS 1 5 SDA AD7414 AD7414 AD7415 GND 2 Top View 5 ALERT SDA 2 Top View 7 AS GND 2 Top View (Not to Scale) (Not to Scale) (Not to Scale) ALERT 3 6 GND VDD 3 4 SCL VDD 3 4 SCL
02463-003 02463-005 Figure 3. AD7414 Pin Configuration (SOT-23)
SCL 4 5 VDD
Figure 5. AD7415 Pin Configuration (SOT-23)
NC = NO CONNECT
02463-004 Figure 4. AD7414 Pin Configuration (MSOP)
Table 3. Pin Function Descriptions Table 4. I2C Address Selection Mnemonic Description Part Number AS Pin I2C Address
AS Logic Input. Address select input that selects one AD7414-0 Float 1001 000 of three I2C addresses for the AD7414/AD7415 (see AD7414-0 GND 1001 001 Table 4). Recommend a pull-up or pull-down AD7414-0 VDD 1001 010 resistor of 1 kΩ. AD7414-1 Float 1001 100 GND Analog and Digital Ground. AD7414-1 GND 1001 101 VDD Positive Supply Voltage, 2.7 V to 5.5 V. AD7414-1 VDD 1001 110 SDA Digital I/O. Serial bus bidirectional data. Open- AD7414-2 N/A 1001 011 drain output. AD7414-3 N/A 1001 111 ALERT AD7414 Digital Output. Overtemperature indicator becomes active when temperature AD7415-0 Float 1001 000 exceeds THIGH. Open-drain output. AD7415-0 GND 1001 001 SCL Digital Input. Serial bus clock. AD7415-0 VDD 1001 010 AD7415-1 Float 1001 100 AD7415-1 GND 1001 101 AD7415-1 VDD 1001 110 Rev. G | Page 6 of 19 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS THEORY OF OPERATION CIRCUIT INFORMATION FUNCTIONAL DESCRIPTION MEASUREMENT TECHNIQUE TEMPERATURE DATA FORMAT INTERNAL REGISTER STRUCTURE ADDRESS POINTER REGISTER CONFIGURATION REGISTER (ADDRESS 0x01) TEMPERATURE VALUE REGISTER (ADDRESS 0x00) AD7414 THIGH REGISTER (ADDRESS 0X02) AD7414 TLOW REGISTER (ADDRESS 0x03) SERIAL INTERFACE SERIAL BUS ADDRESS WRITE MODE Writing to the Address Pointer Register for a Subsequent Read Writing a Single Byte of Data to the Configuration Register, THIGH Register, or TLOW Register READ MODE SMBUS ALERT POWER-ON DEFAULTS OPERATING MODES Mode 1 Mode 2 POWER VS. THROUGHPUT Mode 1 Mode 2 MOUNTING THE AD7414/AD7415 SUPPLY DECOUPLING TEMPERATURE ACCURACY VS. SUPPLY TYPICAL TEMPERATURE ERROR GRAPH OUTLINE DIMENSIONS ORDERING GUIDE