Datasheet > LTC2311-12

LTC2311-12

更新时间： 2023-12-20 18:44:06

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	1263K
描述
具宽输入共模范围的 12 位带符号位、5Msps 差分输入 ADC

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LTC2311-12 数据手册

LTC2311-12

12-Bit + Sign, 5Msps

Differential Input ADC with Wide

Input Common Mode Range

DESCRIPTION

FEATURES

The LTC^®2311-12 is a low noise, high speed 12-bit +

sign successive approximation register (SAR) ADC with

differential inputs and wide input common mode range.

5Msps Throughput Rate

±±.25LSB INL (Typ), ±1LSB INL Guaranteed

Guaranteed 12-Bit, No Missing Codes

8V Differential Inputs with Wide Input Common

Operating from a single 3.3V or 5V supply, the LTC2311-

P-P

Mode Range

12 has an 8V differential input range, making it ideal

P-P

73dB SNR (Typ) at f = 2.2MHz

for applications which require a wide dynamic range with

high common mode rejection. The LTC2311-12 achieves

±±.25LSB INL typical, no missing codes at 12 bits and

73dB SNR typical.

–85dB THD (Typ) at f = 2.2MHz

Guaranteed Operation –4±°C to 125°C

Single 3.3V or 5V Supply

Low Drift (2±ppm/°C Max) 2.±48V or 4.±96V Internal

Reference with 1.25V External Reference Input

1.8V to 2.5V I/O Voltages

TheLTC2311-12hasanonboardlowdrift(2±ppm/°Cmax)

2.±48V or 4.±96V temperature compensated reference

and provides an external 1.25V buffered reference input.

The LTC2311-12 also has a high speed SPI-compatible

serial interface that supports CMOS or LVDS. The fast

5Msps throughput with one-cycle latency makes the

LTC2311-12 ideally suited for a wide variety of high speed

applications. The LTC2311-12 dissipates only 5±mW with

a 5V supply and offers nap and sleep modes to reduce

the power consumption for further power savings during

inactive periods.

CMOS or LVDS SPI-Compatible Serial I/O

Power Dissipation 5±mW at V = 5V (Typ)

Small 16-Lead (4mm × 5mm) MSOP Package

AEC-Q1±± Qualified for Automotive Applications

APPLICATIONS

High Speed Data Acquisition Systems

Communications

Remote Data Acquisition

All registered trademarks and trademarks are the property of their respective owners.

Imaging

Optical Networking

Automotive

Multiphase Motor Control

TYPICAL APPLICATION

16k Point FFT f_SMPL= 5Msps, f_IN= 2.2MHz

3.3V OR 5V

1µF

DIFFERENTIAL INPUTS

NO CONFIGURATION REꢀUIRED

ꢀ

ꢀꢁR ꢂ ꢃꢄ.ꢄꢅꢆ

–

IN , IN

ꢀꢁꢂ ꢃ ꢄꢅꢆꢇꢈ

ꢀꢁꢂ

ꢀꢁꢂAꢃ ꢄ ꢅꢆ.ꢇꢈꢉ

ꢀꢁꢂR ꢃ ꢄꢅꢆꢇ

ARBITRARY

DIFFERENTIAL

REFOUT

ꢀꢁꢂ

25Ω

10µF

ꢀꢁꢂ

LTC2311-12

REFIN

ꢀꢁꢂ

47pF

10µF

ꢀꢁꢂꢂ

BIPOLAR

UNIPOLAR

LVDS OR CMOS

CONFIGURABLE

I/O

25Ω

SDO

SCK

ꢀꢁꢂꢃ

–

CMOS/LVDS

GND

ꢀꢁꢂꢃ

ꢀ

ꢀ.ꢁ

ꢀ

ꢀ.ꢁ

ꢀ

ꢀ.ꢁ

CNV

ꢀRꢁꢂꢃꢁꢄꢅꢆ ꢇꢈꢉꢊꢋ

1.8V TO 2.5V

ꢀꢁꢂꢂꢂꢀ ꢃAꢄꢂꢅ

1µF

231112 TA01a

Rev. A

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