Datasheet AD7414, AD7415 (Analog Devices) - 3

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Data Sheet AD7414/ AD7415 SPECIFICATIONS
TA = TMIN to TMAX, VDD = 2.7 V to 5.5 V, unless otherwise noted. Temperature range as follows: A version = −40°C to +125°C.
Table 1. Parameter A Version Unit Test Conditions/Comments
TEMPERATURE SENSOR AND ADC Accuracy1 ±0.5 °C typ VDD = 3 V @ +40°C −0.87 to +0.822 °C max VDD = 3 V @ +40°C ±1.5 °C max VDD = 3 V @ −40°C to +70°C ±2.0 °C max VDD = 3 V @ −40°C to +85°C ±3.0 °C max VDD = 3 V @ −40°C to +125°C ±2.0 °C typ VDD = 3 V @ −40°C to +125°C ±1.872 °C max VDD = 5.5 V @ +40°C ±2.0 °C typ VDD = 5.5 V @ −40°C to +85°C ±3.0 °C max VDD = 5.5 V @ −40°C to +85°C ±3.0 °C typ VDD = 5.5 V @ −40°C to +125°C Resolution 10 Bits Update Rate, tR 800 ms typ Temperature Conversion Time 25 μs typ POWER SUPPLIES Supply Current3 Peak Supply Current4 1.2 mA typ Current during conversion Supply Current – Nonconverting 900 μA max Peak current between conversions Inactive Serial Bus5 Normal Mode @ 3 V 169 μA typ Supply current with serial bus inactive. Part not converting and D7 of configuration register = 0. Normal Mode @ 5 V 188 μA typ Active Serial Bus6 Normal Mode @ 3 V 180 μA typ Supply current with serial bus active. Part not converting and D7 of configuration register = 0. Normal Mode @ 5 V 214 μA typ D7 of configuration register = 1. Typical values Shutdown Mode 3 μA max are 0.04 μA at 3 V and 0.5 μA at 5 V. DIGITAL INPUT Input High Voltage, VIH 2.4 V min Input Low Voltage, VIL 0.8 V max Input Current, I 7 IN ±1 μA max VIN = 0 V to VDD Input Capacitance, CIN 10 pF max All digital inputs DIGITAL OUTPUT (OPEN-DRAIN) Output High Voltage, VOH 2.4 V min Output Low Voltage, VOL 0.4 V max IOL = 1.6 mA Output High Current, IOH 1 μA max VOH = 5 V Output Capacitance, COUT 10 pF max Typ = 3 pF ALERT Output Saturation Voltage 0.8 V max IOUT = 4 mA Rev. G | Page 3 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