LTC1418AIN datasheet, PDF - EEWORLD Datasheet

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LTC1418AIN: DescriptionLow Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O; CategoryAnalog mixed-signal IC converter; File Size484KB，28 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LTC1418AIN Overview

Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O

LTC1418AIN Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	incompatible
Maker	Linear ( ADI )
Parts packaging code	DIP
package instruction	DIP, DIP28,.3
Contacts	28
Manufacturer packaging code	N
Reach Compliance Code	not_compliant
ECCN code	EAR99
Maximum analog input voltage	2.048 V
Minimum analog input voltage	-2.048 V
Maximum conversion time	4 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	R-PDIP-T28
JESD-609 code	e0
Maximum linear error (EL)	0.0076%
Humidity sensitivity level	1
Nominal negative supply voltage	-5 V
Number of analog input channels	1
Number of digits	14
Number of functions	1
Number of terminals	28
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Output bit code	BINARY, 2\'S COMPLEMENT BINARY
Output format	SERIAL, PARALLEL, WORD
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Encapsulate equivalent code	DIP28,.3
Package shape	RECTANGULAR
Package form	IN-LINE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	5/+-5 V
Certification status	Not Qualified
Sampling rate	0.2 MHz
Sample and hold/Track and hold	SAMPLE
Maximum seat height	3.937 mm
Nominal supply voltage	5 V
surface mount	NO
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	7.62 mm
Base Number Matches	1

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LTC1418

Low Power, 14-Bit, 200ksps

ADC with Serial and Parallel I/O

FEATURES

DESCRIPTION

The LTC

1418 is a low power, 200ksps, 14-bit A/D

converter. Data output is selectable for 14-bit parallel or

serial format. This versatile device can operate from a

single 5V or

±5V

supply. An onboard high performance

sample-and-hold, a precision reference and internal tim-

ing minimize external circuitry requirements. The low

15mW power dissipation is made even more attractive

with two user selectable power shutdown modes.

The LTC1418 converts 0V to 4.096V unipolar inputs from

a single 5V supply and

±2.048V

bipolar inputs from

±5V

supplies. DC specs include

±1.25LSB

INL,

±1LSB

DNL

and no missing codes over temperature. Outstanding AC

performance includes 82dB S/(N + D) and 94dB THD at the

Nyquist input frequency of 100kHz.

The flexible output format allows either parallel or serial I/O.

The SPI/MICROWIRE

compatible serial I/O port can oper-

ate as either master or slave and can support clock frequen-

cies from DC to 10MHz. A separate convert start input and

a data ready signal (BUSY) allow easy control of conversion

start and data transfer.

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

MICROWIRE is a trademark of National Semiconductor Corporation.

Single Supply 5V or

±5V

Operation

Sample Rate: 200ksps

±1.25LSB

INL and

±1LSB

DNL Max

Power Dissipation: 15mW (Typ)

Parallel or Serial Data Output

No Missing Codes Over Temperature

Power Shutdown: Nap and Sleep

External or Internal Reference

Differential High Impedance Analog Input

Input Range: 0V to 4.096V or

±2.048V

81.5dB S/(N + D) and – 94dB THD at Nyquist

28-Pin Narrow PDIP and SSOP Packages

APPLICATIONS

Remote Data Acquisition

Battery Operated Systems

Digital Signal Processing

Isolated Data Acquisition Systems

Audio and Telecom Processing

Medical Instrumentation

TYPICAL APPLICATION

Low Power, 200kHz, 14-Bit Sampling A/D Converter

10µF

LTC1418

IN+

S/H

IN–

4.096V

REFCOMP

10µF

BUFFER

14-BIT ADC

SELECTABLE

SERIAL/

PARALLEL

PORT

D4 (EXTCLKIN)

D3 (SCLK)

D2 (CLKOUT)

D1 (D

OUT

)

D0 (EXT/INT)

BUSY

CONVST

SHDN

SER/PAR

D13

1.0

0.5

INL (LSBs)

–0.5

REF

1µF

AGND

(0V OR – 5V)

DGND

1418 TA02

1418 TA01

2.5V

REFERENCE

TIMING AND

LOGIC

–1.0

4096

8192

OUTPUT CODE

12288

16384

Typical INL Curve

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