Datasheet > LTC1197

LTC1197

更新时间： 2024-11-09 14:57:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	309K
描述
采用MSOP封装的10位、500ksps ADC，具有自动关断功能

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中文翻译

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数据手册

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LTC1197 数据手册

LTC1197/LTC1197L

LTC1199/LTC1199L

10-Bit, 500ksps ADCs in

MSOP with Auto Shutdown

FEATURES

DESCRIPTIO

The LTC^®1197/LTC1197L/LTC1199/LTC1199L are

10-bit A/D converters with sampling rates up to 500kHz.

They have 2.7V (L) and 5V versions and are offered in

8-pin MSOP and SO packages. Power dissipation is typi-

cally only 2.2mW at 2.7V (25mW at 5V) during full speed

operation. The automatic power down reduces supply

current linearly as sample rate is reduced. These 10-bit,

switched-capacitor, successive approximation ADCs in-

clude a sample-and-hold. The LTC1197/LTC1197L have a

differential analog input with an adjustable reference pin.

The LTC1199/LTC1199L offer a software-selectable

2-channel MUX.

■

8-Pin MSOP and SO Packages

■

10-Bit Resolution at 500ksps

■

Single Supply: 5V or 3V

Low Power at Full Speed:

■

25mW Typ at 5V

2.2mW Typ at 2.7V

■

Auto Shutdown Reduces Power Linearly

at Lower Sample Rates

■

10-Bit Upgrade to 8-Bit LTC1196/LTC1198

SPI and MICROWIRE^TMCompatible Serial I/O

■

Low Cost

The 3-wire serial I/O, MSOP and SO-8 packages, 2.7V

operation and extremely high sample rate-to-power ratio

make these ADCs ideal choices for compact, low power

high speed systems.

APPLICATIO S

■

High Speed Data Acquisition

■

Portable or Compact Instrumentation

■

Low Power or Battery-Operated Instrumentation

These circuits can be used in ratiometric applications or

with external references. The high impedance analog

inputs and the ability to operate with reduced spans below

1V full scale (LTC1197/LTC1197L) allow direct connec-

tion to signal sources in many applications, eliminating

the need for gain stages.

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

MICROWIRE is a trademark of National Semiconductor Corporation.

TYPICAL APPLICATIO

Supply Current vs Sampling Frequency

Single 2.7V Supply, 250ksps, 10-Bit Sampling ADC

10000

1µF

1000

2.7V

= 5V

= 7.2MHz

CLK

100

LTC1197L

SERIAL DATA LINK TO

ASIC, PLD, MPU, DSP

OR SHIFT REGISTERS

= 2.7V

= 3.5MHz

+IN

–IN

GND

CLK

ANALOG INPUT

0V TO 2.7V RANGE

OUT

REF

1197/99 TA01

0.1

0.01

0.1

100

1000

SAMPLING FREQUENCY (kHz)

1197/99 G03

12 3 4 5 6 7...28

中文翻译

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与LTC1197相关器件

型号	品牌	获取价格	描述	数据表
LTC1197_15	Linear	获取价格	10-Bit, 500ksps ADCs in MSOP with Auto Shutdown
LTC1197C	Linear	获取价格	10-Bit, 500ksps ADCs in MSOP with Auto Shutdown
LTC1197CMS8	Linear	获取价格	10-Bit, 500ksps ADCs in MSOP with Auto Shutdown
LTC1197CMS8#PBF	Linear	获取价格	LTC1197 - 10-Bit, 500ksps ADCs in MSOP with Auto Shutdown; Package: MSOP; Pins: 8; Tempera
LTC1197CMS8#TR	Linear	获取价格	LTC1197 - 10-Bit, 500ksps ADCs in MSOP with Auto Shutdown; Package: MSOP; Pins: 8; Tempera
LTC1197CMS8#TRPBF	Linear	获取价格	LTC1197 - 10-Bit, 500ksps ADCs in MSOP with Auto Shutdown; Package: MSOP; Pins: 8; Tempera
LTC1197CS8	Linear	获取价格	10-Bit, 500ksps ADCs in MSOP with Auto Shutdown
LTC1197CS8#TR	Linear	获取价格	LTC1197 - 10-Bit, 500ksps ADCs in MSOP with Auto Shutdown; Package: SO; Pins: 8; Temperatu
LTC1197I	Linear	获取价格	10-Bit, 500ksps ADCs in MSOP with Auto Shutdown
LTC1197IMS8	Linear	获取价格	10-Bit, 500ksps ADCs in MSOP with Auto Shutdown

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