ADT7316ARQZ-REEL7 데이터 시트보기 (PDF) - Analog Devices

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ADT7316ARQZ-REEL7

±0.5°C Accurate Digital Temperature Sensor and Quad Voltage Output 12-/10-/8-Bit DACs

Analog Devices 

ADT7316/ADT7317/ADT7318

SPECIFICATIONS

Temperature ranges for A version: –40°C to +120°C. VDD = 2.7 V to 5.5 V, GND = 0 V, REFIN = 2.25 V, unless otherwise noted.

Table 1.

Parameter1

Min

DAC DC PERFORMANCE2, 3

ADT7318

Resolution

Relative Accuracy

Differential Nonlinearity

ADT7317

Resolution

Relative Accuracy

Differential Nonlinearity

ADT7316

Resolution

Relative Accuracy

Differential Nonlinearity

Offset Error

Gain Error

Lower Dead Band

Upper Dead Band

Offset Error Drift

Gain Error Drift

DC Power Supply Rejection Ratio

DC Crosstalk

THERMAL CHARACTERISTICS

INTERNAL TEMPERATURE SENSOR

Accuracy at VDD = 3.3 V ±10%

Accuracy at VDD = 5 V ±5%

Resolution

Long-Term Drift

EXTERNAL TEMPERATURE SENSOR

Accuracy at VDD = 3.3 V ±10%

Accuracy at VDD = 5 V ±5%

Resolution

Output Source Current

Thermal Voltage Output

8-Bit DAC Output

Resolution

1

Scale Factor

10-Bit DAC Output

Resolution

0.25

Scale Factor

Typ Max

8

±0.15

±0.02

±1

±0.25

10

±0.5 ±4

±0.05 ±0.5

12

±2 ±16

±0.02 ±0.9

±0.4 ±2

±0.4 ±2

20 65

60 100

−12

−5

−60

200

±1.5

±0.5 ±3

±2 ±5

±2 ±3

±3 ±5

10

0.25

±1.5

±3

±5

±2 ±3

±3 ±5

10

180

11

8.79

17.58

2.2

4.39

Unit

Conditions/Comments

Bits

LSB

LSB

Guaranteed monotonic over all codes.

Bits

LSB

LSB

Guaranteed monotonic over all codes.

Bits

LSB

LSB

% of FSR

% of FSR

mV

mV

ppm of FSR/°C

ppm of FSR/°C

dB

μV

Guaranteed monotonic over all codes.

Lower dead band exists only if offset error is

negative. See Figure 2.

Upper dead band exists if VREF = VDD and offset

plus gain error is positive. See Figure 3.

∆VDD = ±10%.

See Figure 6.

Internal reference used. Averaging on.

°C

TA = 85°C.

°C

TA = 0°C to +85°C.

°C

TA = −40°C to +120°C.

°C

TA = 0°C to +85°C.

°C

TA = −40°C to +120°C.

Bits

Equivalent to 0.25°C.

°C

Drift over 10 years if part is operated at 55°C.

External transistor = 2N3906.

°C

TA = +85°C.

°C

TA = 0°C to +85°C.

°C

TA = −40°C to +120°C.

°C

TA = 0°C to +85°C.

°C

TA = −40°C to +120°C.

Bits

Equivalent to +0.25°C.

μA

High level.

μA

Low level.

°C

mV/°C

mV/°C

°C

mV/°C

mV/°C

0 V to VREF output. TA = −40°C to +120°C.

0 V to 2 VREF output. TA = −40°C to +120°C.

0 V to VREF output. TA = −40°C to +120°C.

0 V to 2 VREF output. TA= −40°C to +120°C.

Rev. B | Page 3 of 44

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