Datasheet > LTC6946-x

LTC6946-x

更新时间： 2024-11-15 12:09:59

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
36页	584K
描述
16-Bit, 20Msps Low Noise Dual ADC

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中文翻译

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数据手册

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LTC6946-x 数据手册

LTC2270

16-Bit, 20Msps

Low Noise Dual ADC

FEATURES

DESCRIPTION

Two-Channel Simultaneously Sampling ADC

The LTC^®2270 is a two-channel simultaneous sampling

16-bitA/Dconverterdesignedfordigitizinghighfrequency,

wide dynamic range signals. It is perfect for demanding

applications with AC performance that includes 84.1dB

SNR and 99dB spurious free dynamic range (SFDR).

84.1dB SNR (46μV

99dB SFDR

2.ꢀLSB INL(Max)

Input Referred Noise)

RMS

Low Power: 160mW Total, 80mW per Channel

Single 1.8V Supply

DC specs include 1LSB INL (typ), 0.2LSB DNL (typ)

and no missing codes over temperature. The transition

CMOS, DDR CMOS, or DDR LVDS Outputs

Selectable Input Ranges: 1V to 2.1V

P-P

noise is 1.44LSB

RMS

200MHz Full Power Bandwidth S/H

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.

Shutdown and Nap Modes

Serial SPI Port for Configuration

Pin Compatible with

LTC2180: 16-Bit, 25Msps, 78mW

–

LTC2140-14: 14-Bit, 25Msps, 50mW

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.

64-Lead (9mm × 9mm) QFN Package

APPLICATIONS

Low Power Instrumentation

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.

Software Defined Radios

Portable Medical Imaging

Multi-Channel Data Acquisition

TYPICAL APPLICATION

Integral Non-Linearity (INL)

1.8V

2.0

1.5

CH 1

ANALOG

INPUT

16-BIT

D1_15

1.0

0.5

S/H

ADC CORE

CMOS,

D1_0

DDR CMOS

OR DDR LVDS

OUTPUTS

0.0

D2_15

OUTPUT

DRIVERS

–0.5

–1.0

–1.5

–2.0

CH 2

ANALOG

INPUT

16-BIT

ADC CORE

D2_0

32768

OUTPUT CODE

49152

65536

16384

20MHz

CLOCK

CONTROL

2270 TA02

2270 TA01

GND

OGND

2270f

12 3 4 5 6 7...36

中文翻译

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与LTC6946-x相关器件

型号	品牌	获取价格	描述	数据表
LTC6947	ADI	获取价格	超低噪声 0.35GHz 至 6GHz 分数 N 合成器
LTC694C	Linear	获取价格	Microprocessor Supervisory Circuits
LTC694C-3.3	Linear	获取价格	3.3V Microprocessor Supervisory Circuits
LTC694CJ8	Linear	获取价格	IC 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, CDIP8, 0.300 INCH, HERMETIC SEALED, CERDIP-8, Po
LTC694CN-3.3	Linear	获取价格	IC 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDIP8, PLASTIC, DIP-8, Power Management Circuit
LTC694CN8	Linear	获取价格	Microprocessor Supervisory Circuits
LTC694CN8#PBF	Linear	获取价格	LTC694 - Microprocessor Supervisory Circuits; Package: PDIP; Pins: 8; Temperature Range: 0
LTC694CN8-3.3	Linear	获取价格	3.3V Microprocessor Supervisory Circuits
LTC694CN8-3.3#PBF	Linear	获取价格	LTC694-3.3 - 3.3V Microprocessor Supervisory Circuits; Package: PDIP; Pins: 8; Temperature
LTC694CN8-3.3#TRPBF	Linear	获取价格	IC 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDIP8, 0.300 INCH, LEAD FREE, PLASTIC, DIP-8, Po

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