MCP3912 datasheet(67/82 Pages) MICROCHIP

Teilenummer	MCP3912

Bauteilbeschribung	3V Four-Channel Analog Front End

PDF	82 Pages

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Hersteller	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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67 / 82 page

 2014 Microchip Technology Inc.

DS20005348A-page 67

MCP3912

bit 15-13

OSR<2:0>

Oversampling Ratio for delta sigma A/D Conversion (ALL CHANNELS, f

d / fS)

111

= 4096 (f

d = 244 sps for MCLK = 4 MHz, fs = AMCLK = 1 MHz)

110

= 2048 (f

d = 488 sps for MCLK = 4 MHz, fs = AMCLK = 1 MHz)

101

= 1024 (f

d = 976 sps for MCLK = 4 MHz, fs = AMCLK = 1 MHz)

100

= 512 (f

d = 1.953 ksps for MCLK = 4 MHz, fs =AMCLK = 1 MHz)

011

= 256 (f

d = 3.90625 ksps for MCLK = 4 MHz, fs = AMCLK = 1 MHz) (Default)

010

= 128 (f

d = 7.8125 ksps for MCLK = 4 MHz, fs = AMCLK = 1 MHz)

001

= 64 (f

d = 15.625 ksps for MCLK = 4 MHz, fs =AMCLK = 1 MHz)

000

= 32 (f

d = 31.25 ksps for MCLK = 4 MHz, fs =AMCLK =1 MHz)

bit 12-8

Unimplemented:

Read as 0

bit 7-0

VREFCAL<7:0>:

Internal Voltage Temperature coefficient VREFCAL<7:0> value. (See Section 5.6.3

“Temperature compensation (VREFCAL<7:0>)”

for complete description).

CONFIG0 REGISTER (CONTINUED)

MCP3912 Datenblatt(PDF) 67 Page - Microchip Technology