MCP47FVB01 datasheet(27/92 Pages) MICROCHIP

27 / 92 page

 2015 Microchip Technology Inc.

DS20005405A-page 27

MCP47FVBXX

3.0

PIN DESCRIPTIONS

Overviews of the pin functions are provided in

Sections 3.1 “Positive Power Supply Input (VDD)”

through Section 3.8 “I2C - Serial Data Pin (SDA)”. The

descriptions of the pins for the single-DAC output

device are listed in Table 3-1, and descriptions for the

dual-DAC output device are listed in Table 3-2.

TABLE 3-1:

MCP47FVBX1 (SINGLE-DAC) PINOUT DESCRIPTION

Standard Function

TSSOP-8L

Symbol

I/O

Buffer

Type

1VDD

—

Supply Voltage pin

2VREF0

Analog

Voltage Reference Input pin

3VOUT0

Analog

Buffered analog voltage output pin

—

Not Internally Connected

5VSS

—

Ground reference pin for all circuitries on the device

LAT0/HVC

HV ST

DAC register Latch/High-Voltage Command pin. Latch pin allows the

value in the Serial Shift register to transfer to the volatile DAC register.

High-Voltage command allows User Configuration bits to be written.

7SCL

I2C™ Serial Clock pin

SDA

I/O

I2C Serial Data pin

Legend:

A = Analog

ST = Schmitt Trigger

I = Input

O = Output

I/O = Input/Output

P = Power

TABLE 3-2:

MCP47FVBX2 (DUAL-DAC) PINOUT DESCRIPTION

Standard Function

TSSOP-8

Symbol

I/O

Buffer

Type

1VDD

—

Supply Voltage pin

2VREF

Analog

Voltage Reference Input pin (for DAC0 or DAC0 and DAC1)

3VOUT0

Analog

Buffered analog voltage output 0 pin (DAC0 output)

4VOUT1

Analog

Buffered analog voltage output 1 pin (DAC1 output)

5VSS

—

Ground reference pin for all circuitries on the device

LAT/HVC

HV ST

DAC register Latch/High-Voltage Command pin. Latch pin allows the

value in the Serial Shift register to transfer to the volatile DAC register(s)

(for DAC0 or DAC0 and DAC1). High-Voltage command allows User Con-

figuration bits to be written.

7SCL

I2C™ Serial Clock pin

SDA

I/O

I2C Serial Data pin

Legend:

A = Analog

ST = Schmitt Trigger

I = Input

O = Output

I/O = Input/Output

P = Power

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