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 

AD7150

SPECIFICATIONS

VDD = 2.7 V to 3.6 V; GND = 0 V; –40°C to +85°C, unless otherwise noted.

Table 1.

Parameter

CAPACITIVE INPUT

Conversion Input Range CIN to EXC2

Resolution3

Allowed Capacitance CIN to GND3

Allowed Resistance CIN to GND3

Allowed Serial Resistance3

Gain Error

Gain Deviation over Temperature3

Gain Matching Between Ranges3

Offset Error3

Offset Deviation over Temperature3

Integral Nonlinearity (INL)3

Channel-to-Channel Isolation3

Power Supply Rejection3

CAPDAC2

Full Range

Resolution (LSB)3

Differential Nonlinearity (DNL)3

AutoDAC Increment/Decrement3

EXCITATION

Voltage

Frequency

Allowed Capacitance EXC to GND3

Allowed Resistance EXC to GND3

LOGIC OUTPUTS (OUT1, OUT2)

Output Low Voltage (VOL)

Output High Voltage (VOH)

SERIAL INTERFACE INPUTS (SCL, SDA)

Input High Voltage (VIH)

Input Low Voltage (VIL)

Input Leakage Current

Input Pin Capacitance

OPEN-DRAIN OUTPUT (SDA)

Output Low Voltage (VOL)

Output High Leakage Current (IOH)

POWER SUPPLY MONITOR

VDD Threshold Voltage

Min

Typ

Max Unit1

3.2

4

pF

1.6

2

pF

0.8

1

pF

0.4

0.5

pF

2.0

fF

1.6

fF

1.4

fF

1.0

fF

100 pF

10

MΩ

125 kΩ

−20

+20 %

0.5

%

−2

+2 %

50

fF

5

fF

0.1

%

60

dB

4

fF/V

10

12.5

pF

200

fF

0.25 LSB

25

75 % of CIN Range

±VDD/2

V

30.9

32

32.8 kHz

300 pF

1

MΩ

VDD – 0.6

0.4 V

V

1.5

V

0.8 V

±0.1

±5 μA

6

pF

0.4 V

0.1

5

μA

2.45

2.65 V

Test Conditions/Comments

4 pF input range

2 pF input range

1 pF input range

0.5 pF input range

4 pF input range

2 pF input range

1 pF input range

0.5 pF input range

CIN and EXC pins disconnected

CIN and EXC pins disconnected

ISINK = −4 mA

ISOURCE = 4 mA

ISINK = −6.0 mA

VOUT = VDD

Rev. 0 | Page 3 of 28

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