LTC1282BCSW#TR datasheet, PDF - EEWORLD Datasheet

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LTC1282BCSW#TR: DescriptionIC ref='/w_adc.html'>adc 12bit sampling ref 24soic; CategoryAnalog mixed-signal IC converter; File Size354KB，24 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LTC1282BCSW#TR Overview

IC ref='/w_adc.html'>adc 12bit sampling ref 24soic

LTC1282BCSW#TR Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	incompatible
Maker	Linear ( ADI )
Parts packaging code	SOIC
package instruction	SOP, SOP24,.4
Contacts	24
Manufacturer packaging code	SW
Reach Compliance Code	not_compliant
ECCN code	EAR99
Is Samacsys	N
Maximum analog input voltage	1.25 V
Minimum analog input voltage	-1.25 V
Maximum conversion time	6 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	R-PDSO-G24
JESD-609 code	e0
length	15.4 mm
Maximum linear error (EL)	0.0244%
Humidity sensitivity level	1
Nominal negative supply voltage	-3 V
Number of analog input channels	1
Number of digits	12
Number of functions	1
Number of terminals	24
Maximum operating temperature	70 °C
Minimum operating temperature
Output bit code	2'S COMPLEMENT BINARY
Output format	PARALLEL, 8 BITS, PARALLEL, WORD
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP24,.4
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	235
power supply	3/+-3 V
Certification status	Not Qualified
Sampling rate	0.0116 MHz
Sample and hold/Track and hold	SAMPLE
Maximum seat height	2.65 mm
Nominal supply voltage	3 V
surface mount	YES
technology	BICMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	20
width	7.5 mm
Base Number Matches	1

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LTC1282

3V 140ksps 12-Bit

Sampling A/D Converter

with Reference

FEATURES

DESCRIPTIO

Single Supply 3V or

±3V

Operation

140ksps Throughput Rate

12mW (Typ) Power Dissipation

On-Chip 25ppm/°C Reference

Internal Synchronized Clock; No Clock Required

High Impedance Analog Input

69dB S/(N + D) and 77dB THD at Nyquist

±0.5LSB

INL and

±0.75LSB

DNL Max (A Grade)

2.7V Guaranteed Minimum Supply Voltage

ESD Protected On All Pins

24-Pin Narrow PDIP and SW Packages

0V to 2.5V or

±1.25V

Input Ranges

The LTC

1282 is a 6µs, 140ksps, sampling 12-bit A/D

converter that draws only 12mW from a single 3V or dual

±3V

supply. This easy-to-use device comes complete with

1.14µs sample-and-hold, precision reference and inter-

nally trimmed clock. Unipolar and bipolar conversion

modes provide flexibility for various applications. They are

built with LTBiCMOS

switched capacitor technology.

The LTC1282 has a 25ppm/°C (max) internal reference

and converts 0V to 2.5V unipolar inputs from a single 3V

supply. With

±3V

supplies its input range is

±1.25V

with

two’s complement output format. Maximum DC specifica-

tions include

±0.5LSB

INL,

±0.75LSB

DNL and 25ppm/°C

full-scale drift over temperature. Outstanding AC perfor-

mance includes 69dB S/(N + D) and 77dB THD at the

Nyquist input frequency of 70kHz.

The internal clock is trimmed for 6µs maximum conver-

sion time. The clock automatically synchronizes to each

sample command eliminating problems with asynchro-

nous clock noise found in competitive devices. A high

speed parallel interface eases connections to FIFOs, DSPs

and microprocessors.

APPLICATI

3V Powered Systems

High Speed Data Acquisition

Digital Signal Processing

Multiplexed Data Acquisition Systems

Audio and Telecom Processing

Spectrum Analysis

, LTC and LT are registered trademarks of Linear Technology Corporation.

LTBiCMOS is a trademark of Linear Technology Corporation

TYPICAL APPLICATI

Single 3V Supply, 140ksps, 12-Bit Sampling A/D Converter

LTC1282

1.20V

REF

OUTPUT

ANALOG INPUT 1 A

(0V TO 2.5V) 2

REF

AGND

BUSY

0.1µF

D11(MSB) CS

D10

HBEN

D0/8

8- OR 12-BIT

D1/9

PARALLEL BUS

D2/10

DGND

D3/11

10µF

µP

CONTROL

LINES

0.1µF

Effective Bits and Signal-to-(Noise + Distortion)

vs Input Frequency

NYQUIST

FREQUENCY

ENOBs (EFFECTIVE NUMBER OF BITS)

10k

INPUT FREQUENCY (Hz)

100k

LTC1282 • TA02

10µF

SAMPLE

= 140kHz

1282 TA01

S/(N + D) (dB)

LTC1282BCSW#TR Related Products

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Description	IC ref='/w_adc.html'>adc 12bit sampling ref 24soic	IC ref='/w_adc.html'>adc 12bit sampling ref 24soic	IC A/D CONV SAMPLING W/REF24SOIC	IC A/D CONV SAMPLING W/REF24SOIC	IC A/D CONV SAMPLING W/REF24SOIC	IC A/D CONV SAMPLING W/REF24SOIC	Fixed Resistor, Thin Film, 0.25W, 2910000ohm, 75V, 0.5% +/-Tol, 100ppm/Cel, Surface Mount, 1005, CHIP	IC A/D CONV SAMPLING W/REF 24DIP
Is it Rohs certified?	incompatible	incompatible	conform to	conform to	conform to	conform to	incompatible	conform to
package instruction	SOP, SOP24,.4	SOP, SOP24,.4	SOP, SOP24,.4	SOP, SOP24,.4	SOP, SOP24,.4	SOP, SOP24,.4	CHIP	DIP, DIP24,.3
Reach Compliance Code	not_compliant	_compli	compliant	compliant	compliant	compliant	compliant	compliant
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Number of terminals	24	24	24	24	24	24	2	24
Maximum operating temperature	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C	155 °C	70 °C
Package form	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMT	IN-LINE
surface mount	YES	YES	YES	YES	YES	YES	YES	NO
technology	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	THIN FILM	BICMOS
Brand Name	Linear Technology	Linear Technology	Linear Technology	Linear Technology	Linear Technology	Linear Technology	-	Linear Technology
Maker	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	-	Linear ( ADI )
Parts packaging code	SOIC	SOIC	SOIC	SOIC	SOIC	SOIC	-	DIP
Contacts	24	24	24	24	24	24	-	24
Manufacturer packaging code	SW	SW	SW	SW	SW	SW	-	N
Is Samacsys	N	N	N	N	N	N	-	N
Maximum analog input voltage	1.25 V	1.25 V	1.25 V	1.25 V	1.25 V	1.25 V	-	1.25 V
Minimum analog input voltage	-1.25 V	-1.25 V	-1.25 V	-1.25 V	-1.25 V	-1.25 V	-	-1.25 V
Maximum conversion time	6 µs	6 µs	6 µs	6 µs	6 µs	6 µs	-	6 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	-	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	R-PDSO-G24	R-PDSO-G24	R-PDSO-G24	R-PDSO-G24	R-PDSO-G24	R-PDSO-G24	-	R-PDIP-T24
JESD-609 code	e0	e0	e3	e3	e3	e3	-	e3
length	15.4 mm	15.4 mm	15.4 mm	15.4 mm	15.4 mm	15.4 mm	-	-
Maximum linear error (EL)	0.0244%	0.0244%	0.0244%	0.0244%	0.0244%	0.0244%	-	0.0244%
Humidity sensitivity level	1	1	1	1	1	1	-	1
Nominal negative supply voltage	-3 V	-3 V	-3 V	-3 V	-3 V	-3 V	-	-3 V
Number of analog input channels	1	1	1	1	1	1	-	1
Number of digits	12	12	12	12	12	12	-	12
Number of functions	1	1	1	1	1	1	-	1
Output bit code	2'S COMPLEMENT BINARY	2'S COMPLEMENT BINARY	2'S COMPLEMENT BINARY	2'S COMPLEMENT BINARY	2'S COMPLEMENT BINARY	2'S COMPLEMENT BINARY	-	2'S COMPLEMENT BINARY
Output format	PARALLEL, 8 BITS, PARALLEL, WORD	PARALLEL, 8 BITS, PARALLEL, WORD	PARALLEL, 8 BITS, PARALLEL, WORD	PARALLEL, 8 BITS, PARALLEL, WORD	PARALLEL, 8 BITS, PARALLEL, WORD	PARALLEL, 8 BITS, PARALLEL, WORD	-	PARALLEL, 8 BITS, PARALLEL, WORD
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	-	PLASTIC/EPOXY
encapsulated code	SOP	SOP	SOP	SOP	SOP	SOP	-	DIP
Encapsulate equivalent code	SOP24,.4	SOP24,.4	SOP24,.4	SOP24,.4	SOP24,.4	SOP24,.4	-	DIP24,.3
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	-	RECTANGULAR
Peak Reflow Temperature (Celsius)	235	235	260	260	260	260	-	260
power supply	3/+-3 V	3/+-3 V	3/+-3 V	3/+-3 V	3/+-3 V	3/+-3 V	-	3/+-3 V
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	-	Not Qualified
Sampling rate	0.0116 MHz	0.0116 MHz	0.0116 MHz	0.0116 MHz	0.0116 MHz	0.0116 MHz	-	0.0116 MHz
Sample and hold/Track and hold	SAMPLE	SAMPLE	SAMPLE	SAMPLE	SAMPLE	SAMPLE	-	SAMPLE
Maximum seat height	2.65 mm	2.65 mm	2.65 mm	2.65 mm	2.65 mm	2.65 mm	-	3.937 mm
Nominal supply voltage	3 V	3 V	3 V	3 V	3 V	3 V	-	3 V
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	-	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	-	Matte Tin (Sn)
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	-	THROUGH-HOLE
Terminal pitch	1.27 mm	1.27 mm	1.27 mm	1.27 mm	1.27 mm	1.27 mm	-	2.54 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	-	DUAL
Maximum time at peak reflow temperature	20	20	30	30	30	30	-	40
width	7.5 mm	7.5 mm	7.5 mm	7.5 mm	7.5 mm	7.5 mm	-	7.62 mm
Base Number Matches	1	1	1	1	1	1	-	1

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