AD9214 datasheet(4/20 Pages) AD

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REV. D

–4–

AD9214–SPECIFICATIONS

SWITCHING SPECIFICATIONS

Test

AD9214-65

AD9214-80

AD9214-105

Parameter

Temp

Level

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

Unit

ENCODE INPUT PARAMETERS

Maximum Conversion Rate

Full

105

MSPS

Minimum Conversion Rate

Full

MSPS

Encode Pulsewidth High (tEH)

Full

6.0

5.0

3.8

Encode Pulsewidth Low (tEL)

Full

6.0

5.0

3.8

Aperture Delay (tA)25

°C

2.0

Aperture Uncertainty (Jitter)

°C

ps rms

DATA OUTPUT PARAMETERS

Pipeline Delays

Full

Clock Cycle

Output Valid Time (tV)*

Full

3.0

4.5

3.0

4.5

3.0

4.5

Output Propagation Delay

* (tPD)

Full

4.5

6.0

4.5

6.0

4.5

6.0

TRANSIENT RESPONSE TIME

°C

555

OUT-OF-RANGE RECOVERY TIME

°C

555

*tV and tPD are measured from the 1.5 V level of the ENCODE input to the 50% levels of the digital output swing. The digital output load during test is not to exceed

an ac load of 5 pF or a dc current of

±40 µA.

Specifications subject to change without notice.

AIN

ENCODE

D9 – D0

SAMPLE N

SAMPLE N+1

SAMPLE N+2

SAMPLE N+3

SAMPLE N+4

SAMPLE N+5

tEH

tEL

1/FS

tPD

DATA N–5

DATA N–4

DATA N–3

DATA N–2

DATA N–1

DATA N

Figure 1. Timing Diagram

(AVDD = 3 V, DrVDD = 3 V; ENCODE = Maximum Conversion Rate; TMIN = –40 C, TMAX = +85 C;

external 1.25 V voltage reference used, unless otherwise noted.)

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