SPT7750AIK datasheet, PDF - EEWORLD Datasheet

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SPT7750AIK: DescriptionADC, Flash Method, 8-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, ECL, PQFP80, MQUAD-80; CategoryAnalog mixed-signal IC converter; File Size108KB，8 Pages; ManufacturerSignal Processing Technologies

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SPT7750AIK Overview

ADC, Flash Method, 8-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, ECL, PQFP80, MQUAD-80

SPT7750AIK Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Signal Processing Technologies
package instruction	MQUAD-80
Reach Compliance Code	unknown
Maximum analog input voltage
Minimum analog input voltage	-2 V
Converter type	ADC, FLASH METHOD
JESD-30 code	R-PQFP-G80
JESD-609 code	e0
Maximum linear error (EL)	0.3906%
Nominal negative supply voltage	-5.2 V
Number of analog input channels	1
Number of digits	8
Number of functions	1
Number of terminals	80
Maximum operating temperature	85 °C
Minimum operating temperature	-25 °C
Output bit code	BINARY
Output format	PARALLEL, 8 BITS
Package body material	PLASTIC/EPOXY
encapsulated code	QFP
Encapsulate equivalent code	QFP80,.7X.9,32
Package shape	RECTANGULAR
Package form	FLATPACK
power supply	-5.2 V
Certification status	Not Qualified
Sampling rate	500 MHz
surface mount	YES
technology	ECL
Temperature level	OTHER
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.8 mm
Terminal location	QUAD

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SPT7750

8-BIT, 500 MSPS FLASH A/D CONVERTER

FEATURES

•

1:2 Demuxed ECL Compatible Outputs

Wide Input Bandwidth - 900 MHz

Low Input Capacitance - 15 pF (MQUAD)

Metastable Errors Reduced to 1 LSB

Monolithic for Low Cost

Gray Code Output

APPLICATIONS

•

Digital Oscilloscopes

Transient Capture

Radar, EW, ECM

Direct RF Down-Conversion

GENERAL DESCRIPTION

The SPT7750 is a full parallel (flash) analog-to-digital con-

verter capable of digitizing full scale (0 to -2 V) inputs into

eight-bit digital words at an update rate of 500 MSPS. The

ECL-compatible outputs are demultiplexed into two separate

output banks, each with differential data ready outputs to

ease the task of data capture. The SPT7750's wide input

bandwidth and low capacitance eliminate the need for exter-

nal track-and-hold amplifiers for most applications. A propri-

etary decoding scheme reduces metastable errors to the

1 LSB level. The SPT7750 operates from a single -5.2 V

supply, with a nominal power dissipation of 5.5 W.

The SPT7750 is available in an 80L surface-mount MQUAD

package over the industrial temperature range and in die

form. Contact the factory for availability of /883 versions.

BLOCK DIAGRAM

Analog

Input

Preamp

Comparator

256

CLK CLK

CLOCK

BUFFER

DEMUX

CLOCK

BUFFER

255

(OVR)

D8B

D7B

•

D5B

•

D2B

152

256 TO 8 BIT DECODER

WITH METASTABLE ERROR CORRECTION

(MSB)

151

1:2 DEMULTIPLEXER

128

D1B

D0B

D8A

D7A

•

D5A

•

D2A

D1A

D0A

127

DRB (DATA READY)

D8B (OVR)

D7B (MSB)

D6B

D5B

D4B

D3B

D2B

D1B

D0B (LSB)

DRA (DATA READY)

D8A (OVR)

D7A (MSB)

D6A

D5A

D4A

D3A

D2A

D1A

D0A (LSB)

ECL OUTPUT BUFFERS AND LATCHES

BANK B

BANK A

(LSB)

Signal Processing Technologies, Inc.

4755 Forge Road, Colorado Springs, Colorado 80907, USA

Phone: (719) 528-2300 FAX: (719) 528-2370

SPT7750AIK Related Products

	SPT7750AIK	SPT7750BCU
Description	ADC, Flash Method, 8-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, ECL, PQFP80, MQUAD-80	ADC, Flash Method, 8-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, ECL, DIE
Maker	Signal Processing Technologies	Signal Processing Technologies
package instruction	MQUAD-80	DIE
Reach Compliance Code	unknown	unknown
Minimum analog input voltage	-2 V	-2 V
Converter type	ADC, FLASH METHOD	ADC, FLASH METHOD
JESD-30 code	R-PQFP-G80	X-XUUC-N
Maximum linear error (EL)	0.3906%	0.5859%
Nominal negative supply voltage	-5.2 V	-5.2 V
Number of analog input channels	1	1
Number of digits	8	8
Number of functions	1	1
Number of terminals	80	73
Maximum operating temperature	85 °C	70 °C
Output bit code	BINARY	BINARY
Output format	PARALLEL, 8 BITS	PARALLEL, 8 BITS
Package body material	PLASTIC/EPOXY	UNSPECIFIED
Encapsulate equivalent code	QFP80,.7X.9,32	DIE OR CHIP
Package shape	RECTANGULAR	UNSPECIFIED
Package form	FLATPACK	UNCASED CHIP
power supply	-5.2 V	-5.2 V
Certification status	Not Qualified	Not Qualified
Sampling rate	500 MHz	500 MHz
surface mount	YES	YES
technology	ECL	ECL
Temperature level	OTHER	COMMERCIAL
Terminal form	GULL WING	NO LEAD
Terminal location	QUAD	UPPER

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