RHF1201 datasheet(5/18 Pages) STMICROELECTRONICS

Part #	RHF1201

Description	Rad-hard 12-bit 0.5 to 50 Msps A/D converter

PDF	18 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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5 / 18 page

RHF1201

Timing characteristics

5/18

Timing characteristics

Figure 3.

Timing diagram

Table 2.

Timing table

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

Sampling frequency

0.5

MHz

Tck

Sampling clock cycle

2000

Clock duty cycle

FS = 45 Msps

TC1

Clock pulse width (high)

1800

TC2

Clock pulse width (low)

1800

Tod

Data output delay (fall of

clock to data valid)

10 pF load capacitance

Tpd

Data pipeline delay

5.5

cycles

Tdr

Data ready delay after data

change

0.5

cycles

Ton

Falling edge of OEB to

digital output valid data

Toff

Rising edge of OEB to

digital output tri-state

TrD

Data rising time

SRC = 0 5 pF load

capacitance

2.8

SRC = 1

5pF load

capacitance

5.7

TfD

Data falling time

SRC = 0

5pF load

capacitance

2ns

SRC = 1

5pF load

capacitance

4.3

N-3

N-2

N-1

N+4

N+5

N+3

N+1

N+2

N+6

N-3

N-1

N-4

N-5

N-6

N-7

N-8

N-9

CLK

OEB

Tod

Ton

Toff

Tpd + Tod

HZ state

DATA

OUT

Tdr

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