AD7150BRMZ-REEL(Rev0) View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD7150BRMZ-REEL
(Rev.:Rev0)

Ultra-Low Power, 2-Channel, Capacitance Converter for Proximity Sensing

Analog Devices 

TYPICAL PERFORMANCE CHARACTERISTICS

300

2

AD7150

200

1

100

0

0

–1

–100

0

50

100

150

200

250

300

CAPACITANCE CIN TO GND (pF)

Figure 4. Capacitance Input Offset Error vs. Capacitance CIN to GND,

VDD = 3.3 V, EXC Pin Open Circuit

2

0

–2

–4

–6

–8

0

50

100

150

200

250

300

CAPACITANCE CIN TO GND (pF)

Figure 5. Capacitance Input Gain Error vs. Capacitance CIN to GND,

VDD = 3.3 V, CIN to EXC = 2 pF

2

0

–2

–4

–6

–8

0

50

100

150

200

250

300

CAPACITANCE CIN TO GND (pF)

Figure 6 .Capacitance Input Gain Error vs. Capacitance CIN to GND,

VDD = 3.3 V, CIN to EXC = 10 pF

–2

0

50

100

150

200

250

300

CAPACITANCE EXC TO GND (pF)

Figure 7. Capacitance Input Offset Error vs. Capacitance EXC to GND,

VDD = 3.3 V, CIN Pin Open Circuit

0.10

0.05

0

–0.05

–0.10

0

50

100

150

200

250

300

CAPACITANCE EXC TO GND (pF)

Figure 8. Capacitance Input Gain Error vs. Capacitance EXC to GND,

VDD = 3.3 V, CIN to EXC = 2 pF

0.10

0.05

0

–0.05

–0.10

0

50

100

150

200

250

300

CAPACITANCE EXC TO GND (pF)

Figure 9. Capacitance Input Gain Error vs. Capacitance EXC to GND,

VDD = 3.3 V, CIN to EXC = 10 pF

Rev. 0 | Page 7 of 28

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