LTC1414 データシートの表示（PDF） - Linear Technology

部品番号

コンポーネント説明

メーカー

LTC1414

14-Bit, 2.2Msps, Sampling A/D Converter

Linear Technology 

LTC1414

PIN FUNCTIONS

BUSY (Pin 25): The BUSY Output Shows the Converter

Status. It is low when a conversion is in progress.

VSS (Pin 26): – 5V Negative Supply. Bypass to AGND with

10µF ceramic or 10µF tantalum in parallel with 0.1µF

ceramic.

AGND (Pin 27): Analog Ground.

AVDD (Pin 28): 5V Positive Supply. Bypass to AGND with

10µF ceramic or 10µF tantalum in parallel with 0.1µF

ceramic.

W

FUNCTIONAL BLOCK DIAGRA

AIN+

AIN–

VREF

REFCOMP

(4.06V)

AGND

DGND

2k

2.5V REF

REF AMP

INTERNAL

CLOCK

CSAMPLE

CSAMPLE

ZEROING SWITCHES

AVDD

DVDD

VSS

14-BIT CAPACITIVE DAC

SUCCESSIVE APPROXIMATION

REGISTER

CONTROL LOGIC

+

COMP

–

14

OUTPUT

LATCHES

OVDD

•••

D13

D0

OGND

CONVST

BUSY

1414 BD

WU

W

TI I G DIAGRA

CONVST

BUSY

DATA

tCONV

t4

t5

t1

t2

DATA (N – 1)

DB13 TO DB0

t3

DATA N

DB13 TO DB0

DATA (N + 1)

DB13 TO DB0

1414 TD

6

Share Link: