RHF1401 datasheet(6/29 Pages) STMICROELECTRONICS

Part #	RHF1401

Description	Rad-hard 14-bit 20Msps 85mW A/D converter

PDF	29 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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6 / 29 page

Timing

RHF1401

6/29

Timing

Table 2.

Timing characteristics

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

Sampling frequency(1)

See clock recommendations in Section 7.2: Clock signal requirements on page 19

1.5

MHz

Tck

Sampling clock cycle(1)

667

Clock duty cycle

Fs = 20 Msps

TC1

Clock pulse width (high)

TC2

Clock pulse width (low)

Tod

Data output delay (fall of

clock to data valid) (2)

See Figure 3 and discussion below.

10 pF load capacitance

7.5

Tpd

Data pipeline delay

8.5

cycles

Tdr

Data ready rising edge

delay after data change

0.5

cycles

Ton

Falling edge of OEB to

digital output valid data

1ns

Toff

Rising edge of OEB to

digital output tri-state

1ns

TrD

Data rising time

10 pF load capacitance

TfD

Data falling time

10 pF load capacitance

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