LTC1992 datasheet(15/24 Pages) LINER

tên linh kiện	LTC1992

Giải thích chi tiết về linh kiện	18-Bit, 1.6Msps, Pseudo-Differential Unipolar SAR

PDF	24 Pages

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nhà sản xuất	LINER [Linear Technology]

Trang chủ	http://www.linear.com

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15 / 24 page

LTC2369-18

236918fa

TIMING DIAGRAMS

Normal Mode, Single Device

When CHAIN = 0, the LTC2369-18 operates in normal

mode. In normal mode, RDL/SDI enables or disables the

serial data output pin SDO. If RDL/SDI is high, SDO is in

high impedance. If RDL/SDI is low, SDO is driven.

Figure 10 shows a single LTC2369-18 operated in normal

mode with CHAIN and RDL/SDI tied to ground. With

RDL/SDI grounded, SDO is enabled and the MSB(D17) of

the new conversion data is available at the falling edge of

BUSY. This is the simplest way to operate the LTC2369-18.

236918 F10

CONVERT

tACQ

tACQ = tCYC – tCONV – tBUSYLH

POWER-DOWN AND ACQUIRE

POWER-DOWN

AND ACQUIRE

CNV

CHAIN = 0

BUSY

SCK

SDO

RDL/SDI = 0

tBUSYLH

tDSDOBUSYL

tSCK

tHSDO

tSCKH

tQUIET

tSCKL

tDSDO

tCONV

tCNVH

tCYC

tCNVL

D17

D16

D15

CNV

LTC2369-18

BUSY

CONVERT

IRQ

DATA IN

DIGITAL HOST

CLK

SDO

SCK

RDL/SDI

CHAIN

Figure 10. Using a Single LTC2369-18 in Normal Mode

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