AD9002SD/883B AD [Analog Devices], AD9002SD/883B Datasheet

AD9002SD/883B

Manufacturer Part Number

AD9002SD/883B

Description

High Speed 8-Bit Monolithic A/D Converter

Manufacturer

AD [Analog Devices]

Datasheet

1.AD9002SD883B.pdf (8 pages)

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GENERAL DESCRIPTION

The AD9002 is an 8-bit, high speed, analog-to-digital converter.

The AD9002 is fabricated in an advanced bipolar process that

allows operation at sampling rates in excess of 150 megasamples/

second. Functionally, the AD9002 is comprised of 256 parallel

comparator stages whose outputs are decoded to drive the ECL

compatible output latches.

An exceptionally wide large signal analog input bandwidth of

160 MHz is due to an innovative comparator design and very

close attention to device layout considerations. The wide input

bandwidth of the AD9002 allows very accurate acquisition of

high speed pulse inputs, without an external track-and-hold.

The comparator output decoding scheme minimizes false codes,

which is critical to high speed linearity.

The AD9002 provides an external hysteresis control pin that

can be used to optimize comparator sensitivity to further im-

prove performance. Additionally, the AD9002’s low power

dissipation of 750 mW makes it usable over the full extended

temperature range. The AD9002 also incorporates an overflow

REV. D

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

FEATURES

150 MSPS Encode Rate

Low Input Capacitance: 17 pF

Low Power: 750 mW

–5.2 V Single Supply

MIL-STD-883 Compliant Versions Available

APPLICATIONS

Radar Systems

Digital Oscilloscopes/ATE Equipment

Laser/Radar Warning Receivers

Digital Radio

Electronic Warfare (ECM, ECCM, ESM)

Communication/Signal Intelligence

bit to indicate overrange inputs. This overflow output can be

disabled with the overflow inhibit pin.

The AD9002 is available in two grades, one with 0.5 LSB lin-

earity and one with 0.75 LSB linearity. Both versions are offered

in an industrial grade, –25 C to +85 C, packaged in a 28-lead

DIP and a 28-leaded JLCC. The military temperature range

devices, –55 C to +125 C, are available in ceramic DIP and

LCC packages and comply with MIL-STD-883 Class B.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

OVERFLOW

ANALOG IN

ENCODE

INHIBIT

REF

–V

REF

MID

Monolithic A/D Converter

FUNCTIONAL BLOCK DIAGRAM

R/2

World Wide Web Site: http://www.analog.com

GND

128

127

256

255

HYSTERESIS

High Speed 8-Bit

AD9002

–V

AD9002

OVERFLOW

BIT 8 (MSB)

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1 (LSB)

Related parts for AD9002SD/883B

AD9002SD/883B Summary of contents

Page 1

FEATURES 150 MSPS Encode Rate Low Input Capacitance Low Power: 750 mW –5.2 V Single Supply MIL-STD-883 Compliant Versions Available APPLICATIONS Radar Systems Digital Oscilloscopes/ATE Equipment Laser/Radar Warning Receivers Digital Radio Electronic Warfare (ECM, ECCM, ESM) Communication/Signal ...

Page 2

AD9002–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter Temp RESOLUTION DC ACCURACY Differential Linearity +25 C Full Integral Linearity +25 C Full No Missing Codes Full INITIAL OFFSET ERROR Top of Reference Ladder +25 C Full Bottom of Reference Ladder +25 C Full Offset ...

Page 3

... Test Level IV – Parameter is guaranteed by design and Test Level V Test Level VI – All devices are 100% production tested at Model AD9002AD AD9002BD AD9002AJ AD9002BJ AD9002SD/883B 0.75 LSB AD9002SE/883B 0.75 LSB AD9002TD/883B 0.50 LSB AD9002TE/883B 0.50 LSB *D = Ceramic DIP Leadless Ceramic Chip Carrier Ceramic Chip Carrier, J-Formed Leads. –3– AD9002 ...

Page 4

AD9002 Pin # Name 1 DIGITAL GROUND 2 OVERFLOW INH 3 HYSTERESIS 4 +V REF 5 ANALOG INPUT 6 ANALOG GROUND 7 ENCODE ENCODE 8 9 ANALOG GROUND 10 ANALOG INPUT 11 –V REF 12 REF MID 13 DIGITAL GROUND ...

Page 5

ANALOG INPUT ENCODE t OUTPUT DATA AD9002 ENCODE ANALOG INPUT ENCODE –5.2V 0.1 F –V S OVERFLOW HYSTERESIS OVERFLOW INH 100 AD1 ANALOG IN 1k AD2 ENCODE 1k ENCODE AD3 –V –2V REF 0.1 F AD9002 +V REF GROUND STATIC ...

Page 6

AD9002 APPLICATION INFORMATION The AD9002 is compatible with all standard ECL logic families, including 10K and 10KH. 100K ECL’s logic levels are tempera- ture compensated, and are therefore compatible with the AD9002 (and most other ECL device families) only over ...

Page 7

F 50 ANALOG 75 INPUT 10 F HOS200 50 2k AD96687 1k 3.9k 0.1 F –15V 1k 625 –5.2V ENCODE INPUT (GROUND THRESHOLD) AD96687 50 *CONTACT FACTORY ABOUT EVALUATION BOARD AVAILABILITY REV. D LINEARITY OUTPUT (ERROR WAVEFORM) HOS100 HOS100 ...

Page 8

AD9002 0.200 (5.08) 0.200 (5.08) 0.125 (3.18) 0.458 (11.63) 0.442 (11.23) VIEW BOTTOM VIEW 0.022 0.003 (0.559 0.076) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 28-Lead Ceramic Side-Brazed DIP (D-28) 0.005 (0.13) MIN 0.098 (2.49) MAX 28 15 0.310 ...

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