Datasheet > LT1011IS8#PBF

LT1011IS8#PBF

更新时间： 2023-02-26 14:17:35

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
20页	289K
描述
LT1011/LT1011A - Voltage Comparator; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C

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LT1011IS8#PBF 数据手册

LT1011/LT1011A

Voltage Comparator

FeaTures

DescripTion

The LT^®1011 is a general purpose comparator with sig-

nificantly better input characteristics than the LM111.

Although pin compatible with the LM111, it offers four

times lower bias current, six times lower offset voltage

and five times higher voltage gain. Offset voltage drift,

a previously unspecified parameter, is guaranteed at

15µV/°C. Additionally, the supply current is lower by

a factor of two with no loss in speed. The LT1011 is

several times faster than the LM111 when subjected to

large overdrive conditions. It is also fully specified for DC

parameters and response time when operating on a single

5V supply. The LT1011 retains all the versatile features of

the LM111, including single 3V to 1ꢀV supply operation,

and a floating transistor output with 50mA source/sink

capability. It can drive loads referenced to ground, nega-

tive supply or positive supply, and is specified up to 50V

Pin Compatible with LM111 Series Devices

Guaranteed Max 0.5mV Input Offset Voltage

Guaranteed Max 25nA Input Bias Current

Guaranteed Max 3nA Input Offset Current

Guaranteed Max 250ns Response Time

Guaranteed Min 200,000 Voltage Gain

50mA Output Current Source or Sink

30V Differential Input Voltage

Fully Specified for Single 5V Operation

Available in ꢀ-Lead PDIP and SO Packages

applicaTions

SAR A/D Converters

Voltage-to-Frequency Converters

Precision RC Oscillator

–

Peak Detector

between V and the collector output. A differential input

Motor Speed Control

voltage up to the full supply voltage is allowed, even with

1ꢀV supplies, enabling the inputs to be clamped to the

supplies with simple diode clamps.

Pulse Generator

Relay/Lamp Driver

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

Typical applicaTion

10µs 12-Bit A/D Converter

3.9k

Response Time vs Overdrive

15V

LM329

500

450

FULL-SCALE

TRIM

*R2 AND R4

SHOULD TC TRACK

–15V

R2*

6.49k

6.98k

400

350

0.001µF

15V

INPUT

0V TO 10V

300

250

FALLING

OUTPUT

6012

12-BIT

D/A CONVERTER

R4*

2.49k

200

150

100

RISING

OUTPUT

LT1011A

820Ω

–

PARALLEL

OUTPUTS

PARALLEL

OUTPUTS

0.1

100

SERIAL OUTPUT

OVERDRIVE (mV)

1011 TA02

7475

LATCH

AM2504

SAR REGISTER

START

CLOCK f = 1.4MHz

1011 TA01

1011afe

For more information www.linear.com/LT1011

12 3 4 5 6 7...20

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