RHF1401 datasheet(5/29 Pages) STMICROELECTRONICS

5 / 29 page

RHF1401

Pinout

5/29

Table 1.

Pin descriptions

Name

Description

Observations

Name

Description

Observations

GNDBI

Digital buffer ground

0 V

REFMODE

Ref. mode control input

2.5 V/3.3 V CMOS

input

GNDBE

Digital buffer ground

0 V

OEB

Output enable input

2.5 V/3.3 V CMOS

input

3VCCBE

Digital buffer power

supply

2.5 V/3.3 V

DFSB

Data format select input

2.5 V/3.3 V CMOS

input

Non connected

AVCC

Analog power supply

2.5 V

Non connected

AVCC

Analog power supply

2.5 V

Out of range output

CMOS output

(2.5 V/3.3 V)

AGND

Analog ground

0 V

D13(MSB)

Most significant bit

output

CMOS output

(2.5 V/3.3 V)

IPOL

Analog bias current input

D12

Digital output MSB

CMOS output

(2.5 V/3.3 V)

VREFP

Top voltage reference

1 V

D11

Digital output

CMOS output

(2.5 V/3.3 V)

VREFM

Bottom voltage reference 0 V

D10

Digital output

CMOS output

(2.5 V/3.3 V)

AGND

Analog ground

0 V

Digital output

CMOS output

(2.5 V/3.3 V)

VIN

Analog input

1 Vpp

Digital output

CMOS output

(2.5 V/3.3 V)

AGND

Analog ground

0 V

Digital output

CMOS output

(2.5 V/3.3 V)

VINB

Inverted analog input

1 Vpp

Digital output

CMOS output

(2.5 V/3.3 V)

AGND

Analog ground

0 V

Digital output

CMOS output

(2.5 V/3.3 V)

INCM

Input common mode

0.5 V

Digital output

CMOS output

(2.5 V/3.3 V)

AGND

Analog ground

0 V

Digital output

CMOS output

(2.5V /3.3 V)

AVCC

Analog power supply

2.5 V

Digital output

CMOS output

(2.5 V/3.3 V)

AVCC

Analog power supply

2.5 V

Digital output

CMOS output

(2.5 V/3.3 V)

DVCC

Digital power supply

2.5 V

D0(LSB)

Digital output LSB

CMOS output

(2.5 V/3.3 V)

DVCC

Digital power supply

2.5 V

Data ready output(1)

CMOS output

(2.5 V/3.3 V)

DGND

Digital ground

0 V

VCCBE

Digital buffer power

supply

2.5 V/3.3 V

CLK

Clock input

2.5 V compatible

CMOS input

GNDBE

Digital buffer ground

0 V

DGND

Digital ground

0 V

VCCBI

Digital buffer power

supply

2.5 V

DGND

Digital ground

0 V

See load considerations in Section 3: Timing.

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