SP7800A datasheet, PDF - EEWORLD Datasheet

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SP7800A: Description12-Bit 3ms Sampling A/D Converter; File Size132KB，13 Pages; ManufacturerSIPEX; Websitehttp://www.sipex.com/

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SP7800A Overview

12-Bit 3ms Sampling A/D Converter

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SP7800A

12-Bit 3µs Sampling A/D Converter

333k Samples Per Second

Standard

±10V

and

±5V

Input

No Missing Codes Over Temperature

AC Performance Over Temperature

71.5dB Signal–to–Noise Ratio at Nyquist

85dB Spurious–free Dynamic Range at

49KHz

–81dB Total Harmonic Distortion at

49KHz

Internal Sample/Hold, Reference,

Clock, and 3-State Outputs

Power Dissipation: 90mW

24–Pin Narrow DIP and 24–Lead SOIC

Enhanced Single (+5V) Supply Version of

ADS7800

DESCRIPTION…

The

SP7800A

is a complete 12-bit sampling A/D converter using state–of–the–art CMOS structures.

It contains a complete 12–bit successive approximation A/D converter with internal sample/hold,

reference, clock, digital interface for microprocessor control, and three–state output drivers. AC and

DC performance are completely specified. Two grades based on linearity and dynamic performance

are available to provide the optimum price/performance fit in a wide range of applications.

R/C HBE

Control

Logic

IBIP

±10V

±5V

Internal

Ref

Clock

SAR

Output

Latches

And

Three

State

Drivers

Comparator

BUSY

CDAC

.....

Three

State

Parallel

Output

Data

Bus

SP7800ADS/02

SP7800A 12-Bit 3µs Sampling A/D Converter

SP7800A Related Products

	SP7800A	SP7800	SP7800AKN	SP7800AJN	SP7800AKS	SP7800AJS
Description	12-Bit 3ms Sampling A/D Converter	12-Bit 3ms Sampling A/D Converter	12-Bit 3ms Sampling A/D Converter	12-Bit 3ms Sampling A/D Converter	12-Bit 3ms Sampling A/D Converter	12-Bit 3ms Sampling A/D Converter
Is it Rohs certified?	-	-	incompatible	incompatible	incompatible	incompatible
package instruction	-	-	0.300 INCH, PLASTIC, DIP-24	0.300 INCH, PLASTIC, DIP-24	0.300 INCH, PLASTIC, SOIC-24	0.300 INCH, PLASTIC, SOIC-24
Reach Compliance Code	-	-	unknow	unknow	unknow	unknow
Maximum analog input voltage	-	-	10 V	10 V	10 V	10 V
Minimum analog input voltage	-	-	-10 V	-10 V	-10 V	-10 V
Maximum conversion time	-	-	2.7 µs	2.7 µs	2.7 µs	2.7 µs
Converter type	-	-	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	-	-	R-PDIP-T24	R-PDIP-T24	R-PDSO-G24	R-PDSO-G24
length	-	-	30.92 mm	30.92 mm	15.4 mm	15.4 mm
Maximum linear error (EL)	-	-	0.0122%	0.0244%	0.0122%	0.0244%
Number of analog input channels	-	-	2	2	2	2
Number of digits	-	-	12	12	12	12
Number of functions	-	-	1	1	1	1
Number of terminals	-	-	24	24	24	24
Maximum operating temperature	-	-	70 °C	70 °C	70 °C	70 °C
Output bit code	-	-	BINARY, OFFSET BINARY	BINARY, OFFSET BINARY	BINARY, OFFSET BINARY	BINARY, OFFSET BINARY
Output format	-	-	PARALLEL, WORD	PARALLEL, WORD	PARALLEL, WORD	PARALLEL, WORD
Package body material	-	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	-	DIP	DIP	SOP	SOP
Encapsulate equivalent code	-	-	DIP24,.3	DIP24,.3	SOP24,.4	SOP24,.4
Package shape	-	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	-	-	IN-LINE	IN-LINE	SMALL OUTLINE	SMALL OUTLINE
power supply	-	-	5 V	5 V	5 V	5 V
Certification status	-	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Sampling rate	-	-	0.3 MHz	0.3 MHz	0.3 MHz	0.3 MHz
Sample and hold/Track and hold	-	-	SAMPLE	SAMPLE	SAMPLE	SAMPLE
Maximum seat height	-	-	5.334 mm	5.334 mm	2.65 mm	2.65 mm
Nominal supply voltage	-	-	5 V	5 V	5 V	5 V
surface mount	-	-	NO	NO	YES	YES
technology	-	-	CMOS	CMOS	CMOS	CMOS
Temperature level	-	-	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
Terminal form	-	-	THROUGH-HOLE	THROUGH-HOLE	GULL WING	GULL WING
Terminal pitch	-	-	2.54 mm	2.54 mm	1.27 mm	1.27 mm
Terminal location	-	-	DUAL	DUAL	DUAL	DUAL
width	-	-	7.62 mm	7.62 mm	7.5 mm	7.5 mm

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