ADC 6 Spécifications télécharger pdf (Page 29)

ADC12D1800RF

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SNAS518I –JULY 2011–REVISED JANUARY 2014

3.13 Converter Electrical Characteristics

Serial Port Interface

ADC12D1800RF

Units

Symbol Parameter Conditions

(Limits)

Typ Lim

SCLK

Serial Clock Frequency See

(1)

15 MHz

Serial Clock Low Time 30 ns (min)

Serial Clock High Time 30 ns (min)

SSU

Serial Data-to-Serial Clock Rising See

(2)

2.5 ns (min)

Setup Time

Serial Data-to-Serial Clock Rising See

(1)

1 ns (min)

Hold Time

SCS

SCS-to-Serial Clock Rising Setup See

(2)

2.5 ns

Time

HCS

SCS-to-Serial Clock Falling Hold See

(2)

1.5 ns

Time

BSU

Bus turn-around time See

(2)

10 ns

(1) This parameter is specified by design and is not tested in production.

(2) This parameter is specified by design and/or characterization and is not tested in production.

3.14 Converter Electrical Characteristics Calibration

ADC12D1800RF

Units

Symbol Parameter Conditions

(Limits)

Typ Lim

CAL

Calibration Cycle Time Non-ECM

Sampling

ECM CSS = 0b 4.1·10

Clock

Cycles

ECM CSS = 1b

CAL_L

CAL Pin Low Time See

(1)

1280 Sampling

Clock

CAL_H

CAL Pin High Time See

(1)

Cycles

1280

(min)

CalDly

Calibration delay determined by CalDly = Low 2

Sampling

CalDly Pin

(1)

Clock

CalDly = High

Cycles

(max)

(1) This parameter is specified by design and is not tested in production.

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ADC 6 Spécifications Page 29

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