MCP48FVB21 datasheet(35/84 Pages) MICROCHIP

部件名	MCP48FVB21

功能描述	8-/10-/12-Bit Single/Dual Voltage Output Volatile Digital-to-Analog Converters with SPI Interface

PDF	84 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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35 / 84 page

 2015 Microchip Technology Inc.

DS20005466A-page 35

MCP48FVBXX

Control Register. Each DAC has two bits to control the

Power-Down state of the DAC.

POWER-DOWN CONTROL REGISTER (ADDRESS 09h)

U-0

R/W-0 R/W-0 R/W-0 R/W-0

Single

—

—(1)

—(1) PD0B PD0A

Dual

—

PD1B PD1A PD0B PD0A

bit 15

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

= Single-channel device

= Dual-channel device

Single

Dual

bit 15-2

bit 15-4

Unimplemented:

Read as ‘0’

bit 1-0

bit 3-0

PDxB-PDxA:

DAC Power-Down Control bits (2)

=Powered Down - VOUT is open circuit.

=Powered Down - VOUT is loaded with a 100 k resistor to ground.

=Powered Down - VOUT is loaded with a 1 k resistor to ground.

=Normal Operation (Not powered-down)

Note 1:

Unimplemented bit, read as ‘0’.

See Table 5-5 and Figure 5-10 for more details.

MCP48FVB21 数据表(PDF) 35 Page - Microchip Technology

MCP48FVB21 数据表(HTML) 35 Page - Microchip Technology

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