LTC222

更新时间： 2024-11-27 22:55:51

品牌	Logo	应用领域
凌特 - Linear		复用器锁存器开关复用器或开关信号电路
页数	文件大小	规格书
12页	141K
描述
Micropower, Low Charge Injection, Quad CMOS Analog Switches with Data Latches

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中文翻译

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技术参数
数据手册

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LTC222 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	,	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.77	Is Samacsys：	N
模拟集成电路 - 其他类型：	SPST	JESD-609代码：	e0
信道数量：	4	功能数量：	1
最大通态电阻 (Ron)：	90 Ω	认证状态：	Not Qualified
标称供电电压 (Vsup)：	5 V	最长断开时间：	300 ns
最长接通时间：	400 ns	技术：	CMOS
端子面层：	Tin/Lead (Sn/Pb)	Base Number Matches：	1

LTC222 数据手册

LTC221/LTC222

Micropower, Low Charge

Injection, Quad CMOS Analog

Switches with Data Latches

FEATURES

DESCRIPTIO

The LTC^®221 and LTC222 are micropower, quad CMOS

analog switches which typically dissipate only 250µW

from ±15V supplies and 40µW from a single 5V supply.

Onboard latches allow the LTC221 and LTC222 to inter-

face directly to most microprocessor buses. The switches

have 65Ω typical on resistance and a very high off resis-

tance. A break before make characteristic is inherent in

these switches to prevent the shorting of two channels.

Thesignalrangeis±15Vwithasupplyvoltageof±15Vand

0Vto5Vwithasingle5Vsupply.Theswitcheshavespecial

charge compensation circuitry which greatly reduces

charge injection to a maximum of±25pC (±15V supplies).

■

Micropower Operation

■

Single 5V or ±15V Supply Operation

■

Low Charge Injection

Low R_ON

Low Leakage

Guaranteed Break Before Make

Latch Resistant Design

TLL/CMOS Compatible

■

Improved Second Source for DG221/DG222

Microprocessor Bus Compatible

■

KEY SPECIFICATIO S

The LTC221 and LTC222 are designed for applications

Supply Current ..................... I⁺= 40µA, I^–= 5µA Max

Charge Injection

■

such as microprocessor controlled programmable gain

amplifiers, automatic test equipment, communication

systems, and data acquisition systems. The LTC221 is

normally closed and the LTC222 is normally open as

shown in the Logic Table.

■

±15V Supplies .................................±25pC Max

Single 5V Supply.................................. 2pC Typ

R_ON............................................................... 65ΩTyp

Signal Range ..................................................... ±15V

■

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

TYPICAL APPLICATIO

Two-Channel, 12-Bit, Self Calibrating Data Acquisition System

LTC221/LTC222

IN4

LOGIC

DECODER

ADDRESS BUS

GND

IN3

IN2

IN1

–

DATA BUS B0 – B3

TO MICROPROCESSOR

e.g. TMS320C25

15V

10k

LTC1292

CLK

OV TO 5V

LT1006

12-BIT

ADC

OUT

–

SERIAL PORT

100k

150k

REF

–IN

GND

270Ω

120Ω

–15V

LT1027

15V

LTC221/222 • TA01

2212fa

12 3 4 5 6 7...12

中文翻译

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与LTC222相关器件

型号	品牌	获取价格	描述	数据表
LTC222_15	Linear	获取价格	Micropower, Low Charge Injection, Quad CMOS Analog Switches with Data Latches
LTC2220	Linear	获取价格	14-Bit, 125/105Msps Low Power 3V ADCs
LTC2220	ADI	获取价格	12 位、170Msps ADC
LTC2220_15	Linear	获取价格	12-Bit,170Msps/ 135Msps ADCs
LTC2220-1	Linear	获取价格	14-Bit, 125/105Msps Low Power 3V ADCs
LTC2220CUP	Linear	获取价格	LTC2220 - 12-Bit, 170Msps ADCs; Package: QFN; Pins: 64; Temperature Range: 0°C to
LTC2220CUP#PBF	ADI	获取价格	12-Bit, 170Msps ADCs
LTC2220CUP#TR	Linear	获取价格	LTC2220 - 12-Bit, 170Msps ADCs; Package: QFN; Pins: 64; Temperature Range: 0°C to
LTC2220CUP#TRPBF	Linear	获取价格	LTC2220 - 12-Bit, 170Msps ADCs; Package: QFN; Pins: 64; Temperature Range: 0°C to
LTC2220CUP-1	Linear	获取价格	12-Bit,185Msps ADC

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