ADM1021AARQZ-R datasheet(3/16 Pages) ONSEMI

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ADM1021A

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Table 2. ABSOLUTE MAXIMUM RATINGS

Parameter

Rating

Unit

Positive Supply Voltage (VDD) to GND

−0.3 to +6.0

D+, ADD0, ADD1

−0.3 to VDD + 0.3

D− to GND

−0.3 to +0.6

SCLK, SDATA, ALERT, STBY

−0.3 to +6.0

Input Current

50

Input Current, D−

1

ESD Rating, All Pins (Human Body Model)

2,000

Continuous Power Dissipation

Up to 70C

Derating Above 70C

650

6.7

mW/C

Operating Temperature Range

−55 to +125

C

Maximum Junction Temperature (TJ MAX)

150

C

Storage Temperature Range

−65 to +150

C

Lead Temperature, Soldering (10 sec)

300

C

IR Reflow Peak Temperature

220

C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

NOTE: This device is ESD sensitive. Use standard ESD precautions when handling.

Table 3. THERMAL CHARACTERISTICS

Package Type

qJA

Unit

16-lead QSOP Package

105

C/W

Table 4. ELECTRICAL CHARACTERISTICS

(TA =TMIN to TMAX, VDD = 3.0 V to 3.6 V, unless otherwise noted) (Note 1)

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

Power Supply and ADC

Temperature Resolution

Guaranteed No Missed Codes

1.0

−

C

Temperature Error, Local Sensor

−3.0

1.0

+3.0

C

Temperature Error, Remote Sensor

TA = 60C to 100C

−3.0

−5.0

−

+3.0

+5.0

C

Supply Voltage Range (Note 2)

3.0

−

3.6

Undervoltage Lockout Threshold

VDD Input, Disables ADC, Rising Edge

2.5

2.7

2.95

Undervoltage Lockout Hysteresis

−

Power-On Reset Threshold

VDD, falling edge (Note 3)

0.9

1.7

2.2

POR Threshold Hysteresis

−

Standby Supply Current

VDD = 3.3 V, No SMBus Activity

SCLK at 10 kHz

−

1.0

4.0

5.0

−

Average Operating Supply Current

0.25 Conversions/Sec Rate

−

130

200

Auto−convert Mode, Averaged Over 4 Sec

2 Conversions/Sec Rate

−

225

370

Conversion Time

From Stop Bit to Conversion Complete

(Both Channels) D+ Forced to D− + 0.65 V

115

170

Remote Sensor Source Current

High Level (Note 3)

Low Level (Note 3)

120

7.0

205

300

D− Source Voltage

−

0.7

−

Address Pin Bias Current (ADD0, ADD1)

Momentary at Power-on Reset

−

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