Datasheet > LTC2256-14

LTC2256-14

更新时间： 2024-11-28 14:58:15

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
34页	1349K
描述
14 位、25Msps、超低功率 1.8V ADC

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中文翻译

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数据手册

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LTC2256-14 数据手册

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

performance that includes 74dB SNR and 88dB spurious

74dB SNR

88dB SFDR

Low Power: 81mW/49mW/35mW

Single 1.8V Supply

CMOS, DDR CMOS or DDR LVDS Outputs

Selectable Input Ranges: 1V to 2V

800MHz Full-Power Bandwidth S/H

Optional Data Output Randomizer

Optional Clock Duty Cycle Stabilizer

Shutdown and Nap Modes

Serial SPI Port for Configuration

Pin Compatible 14-Bit and 12-Bit Versions

40-Pin (6mm × 6mm) QFN Package

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

allows undersampling of IF frequencies with excellent

noise performance.

P-P

RMS

DCspecsinclude 1LSBINL(typical), 0.3LSBDNL(typi-

cal)andnomissingcodesovertemperature.Thetransition

noise is a low 1.13LSB

RMS

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.

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, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

Typical applicaTion

LTC2258-14 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

225814fc

For more information www.linear.com/LTC2258-14

12 3 4 5 6 7...34

中文翻译

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与LTC2256-14相关器件

型号	品牌	获取价格	描述	数据表
LTC2256-14_15	Linear	获取价格	14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs
LTC2256CUJ-12-PBF	Linear	获取价格	12-Bit, 65/40/2 5Msps Ultralow Power 1.8V ADCs
LTC2256CUJ-12-TRPBF	Linear	获取价格	12-Bit, 65/40/2 5Msps Ultralow Power 1.8V ADCs
LTC2256CUJ-14-PBF	Linear	获取价格	14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs
LTC2256CUJ-14-TRPBF	Linear	获取价格	14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs
LTC2256IUJ-12-PBF	Linear	获取价格	12-Bit, 65/40/2 5Msps Ultralow Power 1.8V ADCs
LTC2256IUJ-12-TRPBF	Linear	获取价格	12-Bit, 65/40/2 5Msps Ultralow Power 1.8V ADCs
LTC2256IUJ-14#PBF	Linear	获取价格	LTC2256-14 - 14-Bit, 25Msps Ultralow Power 1.8V ADCs; Package: QFN; Pins: 40; Temperature
LTC2256IUJ-14-PBF	Linear	获取价格	14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs
LTC2256IUJ-14-TRPBF	Linear	获取价格	14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs

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