MCP48FVB21 datasheet(66/84 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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66 / 84 page

MCP48FVBXX

DS20005466A-page 66

 2015 Microchip Technology Inc.

8.7

Serial Interface Communication

Times

Table 8-1 shows time/frequency of the supported

operations of the SPI serial interface for the different

serial interface operational frequencies. This, along

with the VOUT output performance (such as slew rate),

would be used to determine your application’s volatile

DAC register update rate.

TABLE 8-1:

SERIAL INTERFACE TIMES / FREQUENCIES

Command

# of Bit

Clocks (1)

Data Update Rate

(8-bit/10-bit/12-bit)

(Data Words/Second)

Comments

Operation

Code

Mode

1 MHz

10 MHz

20 MHz (2)

Write Command

0 Single

41,666

416,666

833,333

0 Continuous

n

41,666

416,666

833,333

For 10 data words

Read Command

1 Single

41,666

416,666

N.A.

1 Continuous

n

41,666

416,666

N.A.

For 10 data words

Note 1:

“n” indicates the number of times the command operation is to be repeated.

Write

command only.

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