Datasheet > LTC2242UP-12

LTC2242UP-12

更新时间： 2024-11-29 07:03:03

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
28页	461K
描述
12-Bit, 250Msps ADC

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中文翻译

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LTC2242UP-12 数据手册

LTC2242-12

12-Bit, 250Msps ADC

FEATURES

DESCRIPTIO

The LTC^®2242-12 is a 250Msps, sampling 12-bit A/D

converter designed for digitizing high frequency, wide

dynamic range signals. The LTC2242-12 is perfect for

demanding communications applications with AC perfor-

mancethatincludes65.4dBSNRand78dBSFDR.Ultralow

jitter of 95fs_RMSallows IF undersampling with excellent

noise performance.

■

Sample Rate: 250Msps

■

65.4dB SNR

■

78dB SFDR

■

1.2GHz Full Power Bandwidth S/H

■

Single 2.5V Supply

■

Low Power Dissipation: 740mW

■

LVDS, CMOS, or Demultiplexed CMOS Outputs

■

Selectable Input Ranges: ±0.5V or ±1V

DC specs include ±1.0LSB INL (typ), ±0.4LSB DNL (typ)

and no missing codes over temperature.

■

No Missing Codes

■

Optional Clock Duty Cycle Stabilizer

■

The digital outputs can be either differential LVDS, or

single-ended CMOS. There are three format options for

theCMOSoutputs:asinglebusrunningatthefulldatarate

or two demultiplexed buses running at half data rate with

either interleaved or simultaneous update. A separate

output power supply allows the CMOS output swing to

range from 0.5V to 2.625V.

The ENC⁺and ENC^–inputs may be driven differentially or

singleendedwithasinewave, PECL, LVDS, TTL, orCMOS

inputs. An optional clock duty cycle stabilizer allows high

performance over a wide range of clock duty cycles.

Shutdown and Nap Modes

■

Data Ready Output Clock

■

Pin Compatible Family

250Msps: LTC2242-12 (12-Bit), LTC2242-10 (10-Bit)

210Msps: LTC2241-12 (12-Bit), LTC2241-10 (10-Bit)

170Msps: LTC2240-12 (12-Bit), LTC2240-10 (10-Bit)

185Msps: LTC2220-1 (12-Bit)*

170Msps: LTC2220 (12-Bit), LTC2230 (10-Bit)*

135Msps: LTC2221 (12-Bit), LTC2231 (10-Bit)*

■

^{64-Pin 9mm × 9}U^{mm QFN Package}

APPLICATIO S

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

All other trademarks are the property of their respective owners.

*LTC2220-1, LTC2220, LTC2221, LTC2230, LTC2231 are 3.3V parts.

■

Wireless and Wired Broadband Communication

■

Cable Head-End Systems

Power Amplifier Linearization

Communications Test Equipment

■

TYPICAL APPLICATIO

2.5V

SFDR vs Input Frequency

0.5V

TO 2.625V

REFH

REFL

FLEXIBLE

REFERENCE

D11

12-BIT

PIPELINED

ADC CORE

CMOS

•

1V RANGE

CORRECTION

LOGIC

ANALOG

INPUT

OUTPUT

DRIVERS

INPUT

S/H

LVDS

–

2V RANGE

OGND

CLOCK/DUTY

CYCLE

CONTROL

100 200 300 400 500 600 700 800 9001000

INPUT FREQUENCY (MHz)

224212 G11

224212 TA01

ENCODE

INPUT

224212f

12 3 4 5 6 7...28

中文翻译

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与LTC2242UP-12相关器件

型号	品牌	获取价格	描述	数据表
LTC2245	Linear	获取价格	14-Bit, 125/105Msps Low Power 3V ADCs
LTC2245	ADI	获取价格	14 位、10Msps、低功率 3V ADC
LTC2245CUH	Linear	获取价格	14-Bit, 10Msps Low Power 3V ADC
LTC2245CUH#PBF	Linear	获取价格	LTC2245 - 14-Bit, 10Msps Low Power 3V ADC; Package: QFN; Pins: 32; Temperature Range: 0&am
LTC2245IUH	Linear	获取价格	14-Bit, 10Msps Low Power 3V ADC
LTC2246	Linear	获取价格	14-Bit, 125/105Msps Low Power 3V ADCs
LTC2246	ADI	获取价格	14 位、25Msps、低功率 3V ADC
LTC2246_15	Linear	获取价格	14-Bit, 65/40/25Msps Low Power 3V ADCs
LTC2246CUH	Linear	获取价格	14-Bit, 65/40/25Msps Low Power 3V ADCs
LTC2246CUH#PBF	Linear	获取价格	LTC2246 - 14-Bit, 25Msps Low Power 3V ADCs; Package: QFN; Pins: 32; Temperature Range: 0&a

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