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7411

SPI®-/I2C®-Compatible, 10-Bit Digital Temperature Sensor and 8-Channel ADC

Analog Devices 

ADT7411

Parameter1

ROUND ROBIN UPDATE RATE2

Min Typ Max Unit

Slow ADC @ 25°C

Averaging On

Averaging Off

Averaging On

Averaging Off

Fast ADC @ 25°C

Averaging On

Averaging Off

Averaging On

Averaging Off

ON-CHIP REFERENCE3

Reference Voltage

Temperature Coefficient

DIGITAL INPUTS1, 3

Input Current

VIL, Input Low Voltage

VIH, Input High Voltage

Pin Capacitance

SCL, SDA Glitch Rejection

125.4

ms

17.1

ms

140.36

ms

12.11

ms

9.26

ms

578.96

μs

24.62

ms

3.25

ms

2.2662 2.28

80

2.2938 V

ppm/°C

1.89

3

±1

μA

0.8

V

V

10

pF

50

ns

DIGITAL OUTPUTS

Output High Voltage, VOH

2.4

Output Low Voltage, VOL

Output High Current, IOH

Output Capacitance, COUT

INT/INT Output Saturation Voltage

I2C TIMING CHARACTERISTICS4, 5

Serial Clock Period, t1

2.5

Data In Setup Time to SCL High, t2

50

Data Out Stable after SCL Low, t3

0

SDA Low Setup Time to SCL Low

50

(Start Condition), t4

SDA High Hold Time after SCL High

50

(Stop Condition), t5

SDA and SCL Fall Time, t6

SDA and SCL Rise Time, t7

SPI TIMING CHARACTERISTICS1, 3, 7

CS to SCLK Setup Time, t1

0

SCLK High Pulse Width, t2

50

SCLK Low Pulse Width, t3

50

Data Access Time after SCLK Falling Edge, t47

Data Setup Time Prior to SCLK Rising Edge, t5 20

Data Hold Time after SCLK Rising Edge, t6

0

CS to SCLK Hold Time, t7

0

CS to DOUT High Impedance, t8

V

0.4

V

1

mA

50

pF

0.8

V

μs

ns

ns

ns

ns

300 ns

3006 ns

ns

ns

ns

35

ns

ns

ns

ns

40

ns

Conditions/Comments

Time to complete one measurement cycle

through all channels.

AIN1 and AIN2 are selected on Pin 7 and Pin 8.

AIN1 and AIN2 are selected on Pin 7 and Pin 8.

D+ and D– are selected on Pin 7 and Pin 8.

D+ and D− are selected on Pin 7 and Pin 8.

AIN1 and AIN2 are selected on Pin 7 and Pin 8.

AIN1 and AIN2 are selected on Pin 7 and Pin 8.

D+ and D− are selected on Pin 7 and Pin 8.

D+ and D− are selected on Pin 7 and Pin 8.

VIN = 0 V to VDD.

All digital inputs.

Input filtering suppresses noise spikes of less

than 50 ns.

ISOURCE = ISINK = 200 μA.

IOL = 3 mA.

VOH = 5 V.

IOUT = 4 mA.

Fast-mode I2C. See Figure 2.

See Figure 2.

See Figure 2.

See Figure 2.

See Figure 2.

See Figure 2.

See Figure 3.

See Figure 3.

See Figure 3.

See Figure 3.

See Figure 3.

See Figure 3.

See Figure 3.

See Figure 3.

Rev. B | Page 4 of 36

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