CDP68HC68A2E datasheet(4/15 Pages) INTERSIL

Part #	CDP68HC68A2E

Description	CMOS Serial 10-Bit A/D Converter

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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DIGITAL OUTPUTS: MISO, INT, TA = -40oC to 85oC

High Level Output VOH, MISO

ISOURCE = 6mA

4.25

-

V

Low Level Output VOL, MISO, INT

ISINK = 6mA

-

0.4

V

Three-State Output Leakage IOUT, MISO, INT

-

±10

µA

TIMING PARAMETERS TA = -40oC to 85oC

Oscillator Frequency fSAMPLE

10-Bit Mode

-

-1

MHz

Conversion Time

(Including Sample Time)

10-Bit Mode

14 Oscillator Cycles

8-Bit Mode

12 Oscillator Cycles

Sample Time (Pre-Encode)

8 Time Constants (8

τ) Required

First 1.5 Oscillator

≥ 8τ

Serial Clock (SCK) Frequency

--

1.5

MHz

SCK Pulse Width TP

Either SCKA or SCKB

150

-

ns

MOSI Setup Time TDSU

Prior to Leading Edge of TP

60

-

ns

MOSI Hold Time TDH

After Leading Edge of TP

60

-

ns

MISO Rise and Fall Time

200pF Load

-

100

ns

MISO Propagation Delay TDOD

From Trailing SCK Edge

-

100

ns

IDD

VDD = 5V, Continuous Operation

-

1.4

2

mA

IDD

VDD = 3V, Continuous Operation

-

0.7

1.2

mA

Electrical Specifications TA = 25oC, VDD = 5V, Unless Otherwise Specified. (Continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

CDP68HC68A2

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