Datasheet > LTC2123

LTC2123

更新时间： 2023-12-20 18:46:06

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
50页	1194K
描述
具有JESD204B串行输出的双通道、14位、250Msps ADC

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中文翻译

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数据手册

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LTC2123 数据手册

LTC2123

Dual 14-Bit 250Msps ADC

with JESD204B Serial Outputs

FEATURES

DESCRIPTION

The LTC^®2123 is a 2-channel simultaneous sampling

250Msps 14-bit A/D converter with serial JESD204B

outputs. It is designed for digitizing high frequency,

wide dynamic range signals. It is perfect for demanding

communications applications with AC performance that

includes 70dBFS SNR and 90dBFS spurious free dynamic

range (SFDR). The 1.25GHz input bandwidth allows the

ADC to under-sample high frequencies.

5Gbps JESD204B Interface

70dBFS SNR

90dBFS SFDR

Low Power: 864mW Total

Single 1.8V Supply

Easy to Drive 1.5V Input Range

P-P

1.25GHz Full Power Bandwidth S/H

Optional Clock Divide by Two

Optional Clock Duty Cycle Stabilizer

Low Power Sleep and Nap Modes

Serial SPI Port for Configuration

48-Lead (7mm × 7mm) QFN Package

The 5Gbps JESD204B serial interface simplifies the PCB

design by minimizing the number of data lines required.

–

The DEVCLK and DEVCLK inputs can be driven differ-

entiallywithsinewave, PECL, orLVDSsignals. Anoptional

clock divide-by-two circuit or clock duty cycle stabilizer

maintains high performance at full speed for a wide range

of clock duty cycles.

APPLICATIONS

Communications

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.

Cellular Base Stations

Software Defined Radios

Medical Imaging

High Definition Video

Test and Measurement Instrumentation

TYPICAL APPLICATION

1.2V TO 1.9V

64k Point 2-Tone FFT,

f_IN= 71.1MHz and 69MHz,

–7dBFS, 250Msps

LTC2123

50Ω 50Ω

–20

JESD204B

LOGIC

ANALOG

INPUT

14-BIT ADC

SERIALIZER

5Gbps

–40

–60

CLOCK

÷ 2 OR ÷ 1

JESD204B

FPGA OR ASIC

PLL

CLOCK

1.2V TO 1.9V

–80

(250MHz OR

500MHz)

–100

–120

50Ω 50Ω

JESD204B

LOGIC

ANALOG

INPUT

100

120

14-BIT ADC

SERIALIZER

5Gbps

FREQUENCY (MHz)

2123 TA01b

2123 TA01a

2123fc

For more information www.linear.com/LTC2123

12 3 4 5 6 7...50

中文翻译

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与LTC2123相关器件

型号	品牌	获取价格	描述	数据表
LTC2140-12	Linear	获取价格	12-Bit, 65Msps/ 40Msps/25Msps Low Power Dual ADCs
LTC2140-12	ADI	获取价格	12 位、25Msps、低功率、双通道 ADC
LTC2140-12_15	Linear	获取价格	12-Bit, 65Msps/ 40Msps/25Msps Low Power Dual ADCs
LTC2140-14	Linear	获取价格	12-Bit, 65Msps/ 40Msps/25Msps Low Power Dual ADCs
LTC2140-14	ADI	获取价格	14 位、25Msps、低功率、双通道 ADC
LTC2140-14_15	Linear	获取价格	14-Bit, 65Msps/ 40Msps/25Msps Low Power Dual ADCs
LTC2140CUP-14#PBF	Linear	获取价格	LTC2140-14 - 14-Bit, 25Msps Low Power Dual ADCs; Package: QFN; Pins: 64; Temperature Range
LTC2140IUP-14#PBF	Linear	获取价格	LTC2140-14 - 14-Bit, 25Msps Low Power Dual ADCs; Package: QFN; Pins: 64; Temperature Range
LTC2141-12	ADI	获取价格	12 位、40Msps、低功率、双通道 ADC
LTC2141-12_15	Linear	获取价格	12-Bit, 65Msps/ 40Msps/25Msps Low Power Dual ADCs

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