Datasheet > LTC2256UJ-14

LTC2256UJ-14

更新时间： 2024-11-06 05:43:43

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
32页	1198K
描述
14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs

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中文翻译

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数据手册

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LTC2256UJ-14 数据手册

Electrical Specifications Subject to Change

LTC2258-14

LTC2257-14/LTC2256-14

14-Bit, 65/40/25Msps

Ultralow Power 1.8V ADCs

FEATURES

DESCRIPTION

The LTC^®2258-14/LTC2257-14/LTC2256-14 are sam-

pling 14-bit A/D converters designed for digitizing high

frequency, wide dynamic range signals. They are perfect

for demanding communications applications with AC

performancethatincludes73.9dBSNRand88dBspurious

73.9dB SNR

88dB SFDR

Low Power: 81mW/49mW/35mW

Single 1.8V Supply

CMOS, DDR CMOS or DDR LVDS Outputs

free dynamic range (SFDR). Ultralow jitter of 0.17ps

Selectable Input Ranges: 1V to 2V

RMS

P-P

allows undersampling of IF frequencies with excellent

800MHz Full-Power Bandwidth S/H

noise performance.

Optional Data Output Randomizer

Optional Clock Duty Cycle Stabilizer

Shutdown and Nap Modes

DC specs include 1LSB INL (typical), 0.3LSB DNL (typi-

cal)andnomissingcodesovertemperature.Thetransition

Serial SPI Port for Conﬁguration

noise is a low 1.2LSB

RMS

Pin Compatible 14-Bit and 12-Bit Versions

The digital outputs can be either full rate CMOS, double

data rate CMOS, or double data rate LVDS. A separate

output power supply allows the CMOS output swing to

range from 1.2V to 1.8V.

40-Pin (6mm × 6mm) QFN Package

APPLICATIONS

–

Communications

The ENC and ENC inputs may be driven differentially

or single ended with a sine wave, PECL, LVDS, TTL or

CMOS inputs. An optional clock duty cycle stabilizer al-

lows high performance at full speed for a wide range of

clock duty cycles.

Cellular Base Stations

Software Deﬁned Radios

Portable Medical Imaging

Multi-Channel Data Acquisition

Nondestructive Testing

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

All other trademarks are the property of their respective owners.

TYPICAL APPLICATION

2-Tone FFT, f_IN= 68MHz and 69MHz

1.8V

1.2V

–10

–20

–30

–40

–50

–60

–70

TO 1.8V

D13

14-BIT

PIPELINED

ADC CORE

CMOS

LVDS

•

CORRECTION

LOGIC

ANALOG

INPUT

OUTPUT

DRIVERS

INPUT

S/H

–

–80

–90

OGND

–100

–110

–120

CLOCK/DUTY

CYCLE

CONTROL

FREQUENCY (MHz)

225814 TA01a

GND

65MHz

CLOCK

225814 TA01b

225814p

12 3 4 5 6 7...32

中文翻译

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与LTC2256UJ-14相关器件

型号	品牌	获取价格	描述	数据表
LTC2257-12	Linear	获取价格	12-Bit, 65/40/2 5Msps Ultralow Power 1.8V ADCs
LTC2257-12	ADI	获取价格	12 位、40Msps、超低功率 1.8V ADC
LTC2257-12_15	Linear	获取价格	12-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs
LTC2257-14	Linear	获取价格	14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs
LTC2257-14	ADI	获取价格	14 位、40Msps、超低功率 1.8V ADC
LTC2257-14_15	Linear	获取价格	14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs
LTC2257CUJ-12-PBF	Linear	获取价格	12-Bit, 65/40/2 5Msps Ultralow Power 1.8V ADCs
LTC2257CUJ-12-TRPBF	Linear	获取价格	12-Bit, 65/40/2 5Msps Ultralow Power 1.8V ADCs
LTC2257CUJ-14#PBF	Linear	获取价格	LTC2257-14 - 14-Bit, 40Msps Ultralow Power 1.8V ADCs; Package: QFN; Pins: 40; Temperature
LTC2257CUJ-14#TRPBF	Linear	获取价格	LTC2257-14 - 14-Bit, 40Msps Ultralow Power 1.8V ADCs; Package: QFN; Pins: 40; Temperature

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