ADC-30720 ETC2 [List of Unclassifed Manufacturers], ADC-30720 Datasheet

ADC-30720

Manufacturer Part Number

ADC-30720

Description

8-Bit, 20MSPS CMOS Flash A/D

Manufacturer

ETC2 [List of Unclassifed Manufacturers]

Datasheet

1.ADC-30720.pdf (4 pages)

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Download datasheet (110Kb)

DATEL, Inc., Mansﬁ eld, MA 02048 (USA)

FEATURES

GENERAL DESCRIPTION

The ADC-30634 and ADC-30720 utilizes an advanced VLSI

1.2 micron CMOS in providing 20MHz sampling rates at

8-bits. The ﬂ exibility of the design architecture and process

delivers latch-up free operation without external components

and operation over the full military range.

The ADC-30634 and ADC-30720 are mechanically and

electrically equivalent to the ADC-208LM and ADC-

208MM-QL, respectively, with the exception of the

OVERFLOW (pin 13) and ENABLE (pins 11 and 12) functions.

These functions are not offered on the ADC-30634 and

ADC30720.

8-bit ﬂ ash A/D converter

20MHz sampling rate

10MHz full-power bandwidth

Sample-hold not required

Low power CMOS

+5Vdc operation

1.2 Micron CMOS

8-Bit latched outputs

Surface-mount version

No missing codes

PINS 1, 10, 19 +5V

ANALOG INPUT

¾ REFERENCE

¼ REFERENCE

– REFERENCE

+REFERENCE

REFERENCE

MIDPOINT

PINS 4-8

5,7

DIGITAL GND

ANALOG GND

Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356

Figure 1. ADC-30634 and ADC-30720 Block Diagram

ADC-30634/ADC-30720

7 ENCODER

FUNCTION

VDD

CLOCK INPUT

–REFERENCE

ANA/DIG GND (VSS)

ANALOG INPUT

REF MIDPOINT

ANALOG INPUT

ANA/DIG GND (VSS)

+REFERENCE

VDD

N.C.

256 to

8-Bit, 20MSPS CMOS Flash A/D

INPUT/OUTPUT CONNECTIONS

E–mail: sales@datel.com

GENERATOR

CLOCK

(ADC-208 Compatible)

CLOCK

BIT 1

BIT 2

BIT 3

BIT 4

BIT 5

BIT 6

BIT 7

BIT 8

(LSB)

Internet: www.datel.com

FUNCTION

BIT 8 (LSB)

BIT 7

BIT 6

BIT 5

REF 1/4 FS

VDD

REF 3/4 FS

BIT 4

BIT 3

BIT 2

BIT 1 (MSB)

N.C.

Related parts for ADC-30720

ADC-30720 Summary of contents

Page 1

... Surface-mount version No missing codes GENERAL DESCRIPTION The ADC-30634 and ADC-30720 utilizes an advanced VLSI 1.2 micron CMOS in providing 20MHz sampling rates at 8-bits. The ﬂ exibility of the design architecture and process delivers latch-up free operation without external components and operation over the full military range. ...

Page 2

... ADC-30634/ADC-30720 ABSOLUTE MAXIMUM RATINGS PARAMETERS Power Supply Voltage (V Pin 1, 10, 19) DD Digital Inputs Analog Input –0.5 to (+V Reference Inputs –0.5 to (+V Digital Outputs (short circuit protected to ground) Lead Temperature (10 sec. max.) Storage Temperature FUNCTIONAL SPECIFICATIONS (Typical at +5V power, +25°C, 20MHz clock, +REFERENCE = +5V, – ...

Page 3

... LM324 3 REF 1+N 10k 4 + 4.7µ 0.1µF 1.5k 1k 0.1µF 1.5k 1k 0.1µF 2k Figure 2. ADC-30634 and ADC-30720 Typical Connection Diagram 3 ADC-30634-30720 DATA DATA CODE 1234 5678 DECIMAL HEX Zero 0000 0000 0000 +1 LSB 0000 0001 +¼ FS 0100 0000 +½ FS-ILSB 0111 1111 127 +½ FS ...

Page 4

... ADC-30720 ADC-30634 N+1 DATA The ADC-30720 replaces the ADC-208MM-QL and includes DATEL QL High-Reliability Screening. The ADC-30634 replaces the ADC-208LM. Contact DATEL for availability 15nSec max. of the other equivalent ADC-208 versions. DATEL (UK) LTD. Tadley, England Tel: (01256)-880444 DATEL S.A.R.L. Montigny Le Bretonneux, France Tel: 01-34-60-01-01 Fax: (508) 339-6356 DATEL GmbH Mü ...

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