LTC2257IUJ-12#PBF

更新时间： 2024-11-27 13:09:43

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
32页	819K
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中文翻译

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数据手册

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Electrical Specifications Subject to Change

LTC2258-12

LTC2257-12/LTC2256-12

12-Bit, 65/40/2 5Msps

Ultralow Power 1.8V ADCs

FEATURES

DESCRIPTION

The LTC^®2258-12/LTC2257-12/LTC2256-12 are sam-

pling 12-bit A/D converters designed for digitizing high

frequency, wide dynamic range signals. They are perfect

for demanding communications applications with AC

performancethatincludes71.1dBSNRand85dBspurious

71.1dB SNR

88dB SFDR

Low Power: 79mW/47mW/34mW

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 0.3LSB INL (typical), 0.1LSB DNL

(typical) and no missing codes over temperature. The

transition noise is a low 0.3LSB

Serial SPI Port for Conﬁguration

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

1.8V

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

1.2V

TO 1.8V

–10

–20

–30

–40

–50

–60

–70

D11

–

12-BIT

PIPELINED

ADC CORE

CMOS

LVDS

•

CORRECTION

LOGIC

ANALOG

INPUT

OUTPUT

DRIVERS

INPUT

S/H

OGND

–80

–90

CLOCK/DUTY

CYCLE

CONTROL

–100

–110

–120

225812 TA01a

GND

FREQUENCY (MHz)

65MHz

CLOCK

225812 TA01b

225812p

12 3 4 5 6 7...32

中文翻译

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与LTC2257IUJ-12#PBF相关器件

型号	品牌	获取价格	描述	数据表
LTC2257IUJ-12#TRPBF	Linear	获取价格	LTC2257-12 - 12-Bit, 40Msps Ultralow Power 1.8V ADCs; Package: QFN; Pins: 40; Temperature
LTC2257IUJ-12-PBF	Linear	获取价格	12-Bit, 65/40/2 5Msps Ultralow Power 1.8V ADCs
LTC2257IUJ-12-TRPBF	Linear	获取价格	12-Bit, 65/40/2 5Msps Ultralow Power 1.8V ADCs
LTC2257IUJ-14#PBF	Linear	获取价格	LTC2257-14 - 14-Bit, 40Msps Ultralow Power 1.8V ADCs; Package: QFN; Pins: 40; Temperature
LTC2257IUJ-14-PBF	Linear	获取价格	14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs
LTC2257IUJ-14-TRPBF	Linear	获取价格	14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs
LTC2257UJ-12	Linear	获取价格	12-Bit, 65/40/2 5Msps Ultralow Power 1.8V ADCs
LTC2257UJ-14	Linear	获取价格	14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs
LTC2258-12	Linear	获取价格	12-Bit, 65/40/2 5Msps Ultralow Power 1.8V ADCs
LTC2258-12	ADI	获取价格	12 位、65Msps、超低功率 1.8V ADC

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