AD7416ARMZ datasheet(6/24 Pages) AD

6 / 24 page

AD7416/AD7417/AD7418

Rev. I | Page 6 of 24

AD7416 SPECIFICATIONS

VDD = 2.7 V to 5.5 V, GND = 0 V, REFIN = 2.5 V, unless otherwise noted.

Table 2.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

TEMPERATURE SENSOR AND ADC

Accuracy

±2.0

°C

TA = −25°C to + 100°C

(VDD = 3 V minimum)1

±3.0

°C

TA = −40°C to + 125°C

(VDD = 3 V minimum)1

Resolution

Bits

Temperature Conversion Time

μs

Update Rate, tR

400

μs

OTI Delay

1 × tR

6 × tR

Depends on fault queue setting

Supply Current

1.0

I2C active

350

600

μA

I2C inactive

0.2

1.5

μA

Shutdown mode

TOTI Default Temperature

°C

THYST Default Temperature

°C

DIGITAL INPUTS

Input High Voltage, VIH

VDD × 0.7

VDD + 0.5

Input Low Voltage, VIL

−0.3

VDD × 0.3

Input High Current, IIH

+0.005

+1.0

μA

VIN = 5 V

Input Low Current, IIL

−0.005

−1.0

μA

VIN = 0 V

Input Capacitance, CIN

All digital inputs

DIGITAL OUTPUTS

Output Low Voltage, VOL

0.4

IOL = 3 mA

Output High Current

μA

VOH = 5 V

Output Fall Time, tf

250

CL = 400 pF, IO = 3 mA

OS Output Low Voltage, VOL

0.8

IOUT = 4 mA

AC ELECTRICAL CHARACTERISTICS2

AD7416/AD7417/AD7418

Serial Clock Period, t1

2.5

μs

See Figure 4

Data In Setup Time to SCL High, t2

See Figure 4

Data Out Stable after SCL Low, t3

See Figure 4

SDA Low Setup Time to SCL Low

(Start Condition), t4

See Figure 4

SDA High Hold Time after SCL High

(Stop Condition), t5

See Figure 4

SDA and SCL Fall Time, t6

300

See Figure 4

1 For VDD = 2.7 V to 3 V, TA maximum = 85°C and temperature sensor measurement error = ±3°C maximum.

2 Sample tested during initial release and after any redesign or process change that may affect this parameter.

SCL

SDA

DATA IN

SDA

DATA OUT

Figure 4. Diagram for Serial Bus Timing

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