ADT7316(RevPrN) Просмотр технического описания (PDF) - Analog Devices

Номер в каталоге

Компоненты Описание

Список матч

ADT7316
(Rev.:RevPrN)

SPI/I2C® Compatible, 10-Bit Digital Temperature Sensor and Quad Voltage Output 12/10/8-Bit DAC

Analog Devices 

PRELIMINARY TECHNICAL DATA

ADT7316/7317/7318

Parameter2

Min

Scale Factor

DAC ERTERNAL

REFERENCE INPUT6

VREF Input Range

VREF Input Range

VREF Input Impedance

1

0.25

37

74

Reference Feedthrough

Channel-toChannel Isolation

ON-CHIP REFERENCE

Reference Voltage6

Temperature Coefficient6

OUTPUT CHARACTERISTICS6

Output Voltage7

0.001

DC Output Impedance

Short Circuit Current

Power Up Time

DIGITAL INPUTS6

Input Current

VIL, Input Low Voltage

VIH, Input High Voltage

Pin Capacitance

SCL, SDA Glitch Rejection

1.89

DIGITAL OUTPUT

Output High Voltage, VOH

2.4

Output Low Voltage, VOL

Output High Current, IOH

Output Capacitance, COUT

ALERT Output Saturation Voltage

I2C TIMING CHARACTERISTICS8,9

Serial Clock Period, t1

2.5

Data In Setup Time to SCL High, t2

Data Out Stable after SCL Low, t3

0

SDA Low Setup Time to SCL Low

(Start Condition), t4

50

SDA High Hold Time after SCL High

(Stop Condition), t5

50

SDA and SCL Fall Time, t6

SPI TIMING CHARACTERISTICS10, 11

CS to SCLK Setup Time, t1

0

SCLK High Pulsewidth, t2

50

SCLK Low Pulse, t3

50

Data Access Time after

SCLK Falling edge, t412

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

POWER REQUIREMENTS

VDD

2.7

VDD Settling Time

Typ

2.2

4.39

Max

VDD

VDD

45

90

>10

-90

-75

2.25

80

VDD-0.001

0.5

25

16

2.5

5

±1

0.8

0.6

3

10

50

0.4

1

50

0.8

90

35

40

5.5

50

Units

mV/°C

mV/°C

Conditions/Comments

0-VREF Output. TA = -40°C to +125°C

0-2VREF Output. TA = -40°C to +125°C

V

V

kΩ

kΩ

MΩ

dB

dB

V

ppm/°C

V

Ω

mA

mA

µs

µs

µA

V

V

V

pF

ns

V

V

mA

pF

V

µs

ns

ns

ns

ns

Buffered Reference Mode

Unbuffered Reference Mode

Unbuffered Reference Mode. 0-2 VREF Output Range.

Unbuffered Reference Mode. 0- VREF Output Range.

Buffered reference mode and Power-Down Mode

Frequency=10KHz

Frequency=10KHz

This is a measure of the minimum and maximum drive

capability of the output amplifier

VDD = +5V

VDD = +3V

Coming out of Power Down Mode. VDD = +5 V

Coming out of Power Down Mode. VDD = +3 V

VIN = 0V to VDD

VDD = +5V±10%

VDD = +3V±10%

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 1

See Figure 1

See Figure 1

See Figure 1

See Figure 1

ns

See Figure 2

ns

See Figure 2

ns

See Figure 2

ns

See Figure 2

ns

See Figure 2

ns

See Figure 2

ns

See Figure 2

ns

See Figure 2

V

ms

VDD settles to within 10% of it’s final voltage

level.

REV. PrN

–3–

Share Link: