LTC1750CFW#TRPBF

更新时间： 2024-02-12 09:48:05

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凌特 - Linear		/
页数	文件大小	规格书
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中文翻译

获取价格

数据手册

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LTC1750CFW#TRPBF 数据手册

LTC1750

14-Bit, 80Msps

Wide Bandwidth ADC

FEATURES

DESCRIPTIO

■

Sample Rate: 80Msps

The LTC^®1750 is an 80Msps, 14-bit A/D converter de-

signed for digitizing wide dynamic range signals up to

frequencies of 500MHz. The input range of the ADC can be

optimized with the on-chip PGA sample-and-hold circuit

and flexible reference circuitry.

■

500MHz Full Power Bandwidth S/H

■

Direct IF Sampling Up to 500MHz

■

PGA Front End (2.25V_P-Por 1.35V_P-PInput Range)

75.5dB SNR and 90dB SFDR (PGA = 0)

73dB SNR and 90dB SFDR (PGA = 1)

■

The LTC1750 has a highly linear sample-and-hold circuit

with a bandwidth of 500MHz. The SFDR is 82dB with an

input frequency of 250MHz. Ultralow jitter of 0.12ps_RMS

allows undersampling of IF frequencies with minimal

degradation in SNR. DC specs include ±3LSB INL and no

missing codes.

■

No Missing Codes

Single 5V Supply

Power Dissipation: 1.45W

■

Two Pin Selectable Reference Values

■

Two’s Complement or Offset Binary Outputs

■

Out-of-Range Indicator

■

The digital interface is compatible with 5V, 3V, 2V and

LVDS logic systems. The ENC and ENC inputs may be

driven differentially from PECL, GTL and other low swing

logic families or from single-ended TTL or CMOS. The low

noise, high gain ENC and ENC inputs may also be driven

by a sinusoidal signal without degrading performance. A

separate output power supply can be operated from 0.5V

to 5V, making it easy to connect directly to any low voltage

DSPs or FIFOs.

Data Ready Output Clock

Pin-for-Pin Family

48-Pin TSSOP Package

APPLICATIO S

■

Telecommunications

■

Receivers

■

Cellular Base Stations

■

Spectrum Analysis

The 48-pin TSSOP package with a flow-through pinout

simplifies the board layout.

■

Imaging Systems

■

MRI

■

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

Tomography

BLOCK DIAGRA

80Msps, 14-Bit ADC with a 2.25V Differential Input Range

PGA

0.5V TO 5V

0.1µF

D13

CORRECTION

LOGIC AND

SHIFT

±1.125V

S/H

CIRCUIT

14-BIT

PIPELINED ADC

OUTPUT

LATCHES

•

DIFFERENTIAL

–

ANALOG INPUT

CLKOUT

SENSE

OGND

BUFFER

1µF

RANGE

SELECT

1µF

DIFF AMP

GND

REF

CONTROL LOGIC

4.7µF

1750 BD

REFLB REFHA

4.7µF

REFLA REFHB

ENC

ENC MSBINV

0.1µF

1µF

0.1µF

1µF

DIFFERENTIAL

ENCODE INPUT

1750f

12 3 4 5 6 7...20

中文翻译

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型号	品牌	获取价格	描述	数据表
LTC1750IFW	Linear	获取价格	14-Bit, 80Msps Wide Bandwidth ADC
LTC1750IFW#PBF	Linear	获取价格	LTC1750 - 14-Bit, 80Msps Wide Bandwidth ADC; Package: TSSOP; Pins: 48; Temperature Range:
LTC1750IFW#TR	Linear	获取价格	LTC1750 - 14-Bit, 80Msps Wide Bandwidth ADC; Package: TSSOP; Pins: 48; Temperature Range:
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