AV775C datasheet(3/12 Pages) AD

номер детали	AV775C

подробное описание детали	8-Bit 20 MSPS, 60 mW Sampling A/D Converter

PDF	12 Pages

Scroll/Zoom	100%

производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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3 / 12 page

–3–

REV. 0

AD775

DIGITAL SPECIFICATIONS

AD775J

Parameter

Symbol

DVDD

Min

Typ

Max

Units

LOGIC INPUT

High Level Input Voltage

VIH

5.0

4.0

Low Level Input Voltage

VIL

5.0

1.0

High Level Input Current

(VIH = DVDD)IIH

5.25

µA

Low Level Input Current

(VIL = 0 V)

IIL

5.25

–5

µA

Logic Input Capacitance

CIN

5pF

LOGIC OUTPUTS

High Level Output Current

= DVSS, VOH = DVDD–0.5 V

IOH

4.75

–1.1

= DVDD, VOH = DVDD

IOZ

5.25

µA

Low Level Output Current

= DVSS, VOL = 0.4 V

IOL

4.75

3.7

= DVDD, VOL = 0 V

IOZ

5.25

µA

TIMING SPECIFICATIONS

Symbol

Min

Typ

Max

Units

Maximum Conversion Rate

MHz

Clock Period

Clock High

tCH

Clock Low

tCL

Output Delay

tOD

Pipeline Delay (Latency)

2.5

Clock Cycles

Sampling Delay

tDS

4ns

Aperture Jitter

Specifications subject to change without notice.

VIN

CLK

OUT

SAMPLE N

SAMPLE N+1

SAMPLE N+2

DATA N-3

DATA N-2

DATA N-1

DATA N

Figure 1. AD775 Timing Diagram

(TA = +25 C with AVDD, DVDD = +5 V, AVSS, DVSS = 0 V, VRT = 2.6 V, VRB = +0.6 V,

CLOCK = 20 MHz unless otherwise noted)

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