SPT7835 datasheet(1/12 Pages) CADEKA

Nome de Peças	SPT7835

Descrição Electrónicos	10-BIT, 5 MSPS, 75 mW A/D CONVERTER

PDF	12 Pages

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Fabricante Electrônico	CADEKA [Cadeka Microcircuits LLC.]

Página de início	http://www.cadeka.com

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SPT7835

10-BIT, 5 MSPS, 75 mW A/D CONVERTER

TECHNICAL DATA

JUNE 27, 2001

FEATURES

• Monolithic 5 MSPS converter

• 75 mW power dissipation

• On-chip track-and-hold

• Single +5 V power supply

• TTL/CMOS outputs

• 5 pF input capacitance

• Low cost

• Tri-state output buffers

• High ESD protection: 3,500 V minimum

• Selectable +3 V or +5 V logic I/O

APPLICATIONS

• All high-speed applications where low power

dissipation is required

• Video imaging

• Medical imaging

• IR imaging

• Scanners

• Digital communications

GENERAL DESCRIPTION

The SPT7835 is a 10-bit monolithic, low-cost, ultralow-

power analog-to-digital converter capable of minimum

word rates of 5 MSPS. The on-chip track-and-hold func-

tion assures very good dynamic performance without the

need for external components. The input drive require-

ments are minimized due to the SPT7835’s low input

capacitance of only 5 pF.

Power dissipation is extremely low at only 75 mW typical

at 5 MSPS with a power supply of +5.0 V. The digital out-

puts are +3 V or +5 V, and are user selectable. The

SPT7835 is pin-compatible with an entire family of 10-bit,

CMOS converters (SPT7835/40/50/55/60/61), which sim-

plifies upgrades. The SPT7835 has incorporated propri-

etary circuit design* and CMOS processing technologies

to achieve its advanced performance. Inputs and outputs

are TTL/CMOS-compatible to interface with TTL/CMOS

logic systems. Output data format is straight binary.

The SPT7835 is available in a 28-lead SOIC package over

the industrial temperature range, and a 32-lead small

(7 mm square) TQFP package over the commercial

temperature range.

*Patent pending

BLOCK DIAGRAM

11-Bit

SAR

DAC

ADC Section 1

T/H

11

11-Bit

SAR

DAC

ADC Section 8

Auto-

Zero

CMP

Auto-

Zero

CMP

T/H

11

VREF

1:8

Mux

11

11-Bit

8:1

Mux/

Error

Correction

Timing

and

Control

P1

P2

P7

P8

ADC Section 2

ADC Section 7

Reference Ladder

Ref

In

Enable

CLK In

Data

Valid

AIN

D10 Overrange

D9 (MSB)

D8

D7

D6

D5

D4

D3

D2

D1

D0 (LSB)

...

Nº de peça semelhante - SPT7835

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Fairchild Semiconductor	SPT7835	93Kb / 12P	10-BIT, 5 MSPS, 75 mW A/D CONVERTER
	SPT7835SCT	93Kb / 12P	10-BIT, 5 MSPS, 75 mW A/D CONVERTER
	SPT7835SIS	93Kb / 12P	10-BIT, 5 MSPS, 75 mW A/D CONVERTER

More results

Descrição semelhante - SPT7835

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Analog Devices	AD9060	215Kb / 12P	10-Bit 75 MSPS A/D Converter REV.A
Fairchild Semiconductor	SPT7835	93Kb / 12P	10-BIT, 5 MSPS, 75 mW A/D CONVERTER
	SPT7840	95Kb / 12P	10-BIT, 10 MSPS, 100 mW A/D CONVERTER
	SPT7855	86Kb / 11P	10-BIT, 25 MSPS, 135 mW A/D CONVERTER
	SPT7861	87Kb / 11P	10-BIT, 40 MSPS, 160 mW A/D CONVERTER
List of Unclassifed Man...	SPT7851	69Kb / 8P	10-BIT, 20 MSPS, 79 mW A/D CONVERTER
Cadeka Microcircuits LL...	SPT7840	188Kb / 12P	10-BIT, 10 MSPS, 100 mW A/D CONVERTER
	SPT7850	190Kb / 13P	10-BIT, 20 MSPS, 140 mW A/D CONVERTER
	SPT7863	183Kb / 11P	10-BIT, 40 MSPS, 160 mW A/D CONVERTER
Analog Devices	AD9060	339Kb / 12P	10-Bit 75 MSPS A/D Converter REV. B

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