AD7709 데이터 시트보기 (PDF) - Analog Devices

부품명

상세내역

제조사

AD7709

16-Bit
Σ-Δ ADC with Switchable Current Sources

Analog Devices 

AD7709–Typical Performance Characteristics

32772

32771

32770

VDD = 5V

INPUT RANGE = ؎20mV

UPDATE RATE = 19.79Hz

32769

32768

32767

32766

32765

32764

0

VREF = 2.5V

TA = 25 C

100 200 300 400 500 600 700 800 900 1000

READING NUMBER

TPC 1. Typical Noise Plot on ±20 mV Input Range

700

600

500

400

300

200

100

0

32766

32767

32768 32769

CODE

32770

TPC 3. Noise Histogram

32771

3.0

2.5

؎2.56V RANGE

2.0

VDD = 5V

1.5

VREF = 2.5V

INPUT RANGE = ؎2.56V

UPDATE RATE = 19.79Hz

TA = 25؇C

1.0

؎20mV RANGE

0.5

0

1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

VREF – V

TPC 2. RMS Noise vs. Reference Input

VDD = 5V

TA = 25؇C

VDD

OSCILLATOR

TIME BASE = 100ms/DIV

TRACE 1 = TRACE 2 = 2V/DIV

TPC 4. Typical Oscillator Power-Up

–10–

REV. A

Share Link: