LT1021-5 datasheet, PDF - EEWORLD Datasheet

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LT1021-5: Description1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, PDIP8; Categorysemiconductor Analog mixed-signal IC; File Size165KB，16 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LT1021-5 Overview

1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, PDIP8

LT1021-5 Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	8
Maximum output voltage	10.05 V
Minimum output voltage	9.95 V
Maximum operating temperature	70 Cel
Minimum operating temperature	0.0 Cel
Maximum supply/operating voltage	40 V
Minimum supply/operating voltage	11.5 V
Rated supply voltage	15 V
Processing package description	0.300 INCH, Plastic, DIP-8
state	ACTIVE
packaging shape	Rectangle
Package Size	IN-line
Terminal form	THROUGH-hole
Terminal spacing	2.54 mm
terminal coating	tin lead
Terminal location	pair
Packaging Materials	Plastic/Epoxy
Temperature level	COMMERCIAL
Adjustable output	Yes
Number of outputs	1
Rated output voltage	10 V
Analog IC other types	Three TERM voltage reference
Maximum voltage temperature coefficient	20 ppm/Cel

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LT1021

Precision Reference

FEATURES

DESCRIPTIO

Pin Compatible with Most Bandgap Reference

Applications, Including Ref 01, Ref 02, LM368,

MC1400 and MC1404 with Greatly Improved

Stability, Noise and Drift

Ultralow Drift: 5ppm/

C Max Slope

Trimmed Output Voltage

Operates in Series or Shunt Mode

Output Sinks and Sources in Series Mode

Very Low Noise: <1ppm

P-P

(0.1Hz to 10Hz)

>100dB Ripple Rejection

Minimum Input/Output Differential of 1V

100% Noise Tested

The LT

1021 is a precision reference with ultralow drift

and noise, extremely good long term stability and almost

total immunity to input voltage variations. The reference

output will both source and sink up to 10mA. Three

voltages are available: 5V, 7V and 10V. The 7V and 10V

units can be used as shunt regulators (two-terminal zeners)

with the same precision characteristics as the three-

terminal connection. Special care has been taken to mini-

mize thermal regulation effects and temperature

induced hysteresis.

The LT1021 references are based on a buried zener diode

structure that eliminates noise and stability problems

associated with surface breakdown devices. Further, a

subsurface zener exhibits better temperature drift and

time stability than even the best bandgap references.

Unique circuit design makes the LT1021 the first IC

reference to offer ultralow drift without the use of high

power on-chip heaters.

The LT1021-7 uses no resistive divider to set output

voltage, and therefore exhibits the best long term stability

and temperature hysteresis. The LT1021-5 and LT1021-

10 are intended for systems requiring a precise 5V or 10V

reference with an initial tolerance as low as

±0.05%.

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

APPLICATI

A/D and D/A Converters

Precision Regulators

Digital Voltmeters

Inertial Navigation Systems

Precision Scales

Portable Reference Standard

TYPICAL APPLICATI

Typical Distribution of Temperature Drift

Basic Positive and Negative Connections

LT1021

GND

OUT

LT1021

(7 AND 10 ONLY)

OUT

GND

–V

OUT

R1 =

OUT

– (V

–

)

LOAD

+ 1.5mA

–15V

–

)

UNITS (%)

1021 TA01

–0

– 5 – 4 – 3 – 2 –1 0 1 2 3

OUTPUT DRIFT (ppm/°C)

DISTRIBUTION

OF THREE RUNS

1021 TA01

LT1021-5 Related Products

	LT1021-5	LT1021CCH-10	LT1021-7	LT1021-10
Description	1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, PDIP8	1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, PDIP8	1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, PDIP8	1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, PDIP8
Number of functions	1	1	1	1
Number of terminals	8	8	8	8
Maximum output voltage	10.05 V	10.005 V	10.05 V	10.05 V
Minimum output voltage	9.95 V	9.995 V	9.95 V	9.95 V
Maximum operating temperature	70 Cel	70 °C	70 Cel	70 Cel
Minimum operating temperature	0.0 Cel	-	0.0 Cel	0.0 Cel
Terminal form	THROUGH-hole	WIRE	THROUGH-hole	THROUGH-hole
Terminal location	pair	BOTTOM	pair	pair
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
Maximum voltage temperature coefficient	20 ppm/Cel	20 ppm/°C	20 ppm/Cel	20 ppm/Cel
Maximum supply/operating voltage	40 V	-	40 V	40 V
Minimum supply/operating voltage	11.5 V	-	11.5 V	11.5 V
Rated supply voltage	15 V	-	15 V	15 V
Processing package description	0.300 INCH, Plastic, DIP-8	-	0.300 INCH, Plastic, DIP-8	0.300 INCH, Plastic, DIP-8
state	ACTIVE	-	ACTIVE	ACTIVE
packaging shape	Rectangle	-	Rectangle	Rectangle
Package Size	IN-line	-	IN-line	IN-line
Terminal spacing	2.54 mm	-	2.54 mm	2.54 mm
terminal coating	tin lead	-	tin lead	tin lead
Packaging Materials	Plastic/Epoxy	-	Plastic/Epoxy	Plastic/Epoxy
Adjustable output	Yes	-	Yes	Yes
Number of outputs	1	-	1	1
Rated output voltage	10 V	-	10 V	10 V
Analog IC other types	Three TERM voltage reference	-	Three TERM voltage reference	Three TERM voltage reference

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