LTC2171-14 LINER [Linear Technology], LTC2171-14 Datasheet

LTC2171-14

Manufacturer Part Number

LTC2171-14

Description

Quad 14-Bit, 125Msps ADC with Integrated Drivers

Manufacturer

LINER [Linear Technology]

Datasheet

1.LTC2171-14.pdf (28 pages)

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FeaTures

applicaTions

Typical applicaTion

L, LT, LTC, LTM, Linear Technology, the Linear logo and µModule are registered trademarks of

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

SENSOR

IMAGE

Industrial Imaging

Medical Imaging

Multichannel Data Acquisition

Nondestructive Testing

4-Channel Simultaneous Sampling ADC with

Integrated, Fixed Gain, Differential Drivers

68.3dB SNR

78dB SFDR

Low Power: 1.27W Total, 318mW per Channel

1.8V ADC Core and 3.3V Analog Input Supply

Serial LVDS Outputs: 1 or 2 Bits per Channel

Shutdown and Nap Modes

11.25mm × 15mm BGA Package

REF

•

INTERNAL

REFERENCE & SUPPLY

BYPASS CAPACITORS

3.3V

Single-Ended Sensor Digitization

SCK

SDI SDO

ENCODE CLOCK

PIPELINE

ADC

1.8V

PAR/SER

SERIALIZER

ENCODER

DRIVERS

ENC

DATA

LVDS

AND

PLL

1.8V

ENC

CHANNEL 1

CHANNEL 2

CHANNEL 3

CHANNEL 4

–

LTM9012

Quad 14-Bit, 125Msps ADC

DescripTion

The LTM

14-bit µModule

integrated, fixed gain, differential ADC drivers. The low

noise amplifiers are suitable for single-ended drive and

pulse train signals such as imaging applications. Each

channel includes a lowpass filter between the driver out-

put and ADC input.

DC specs include ±1.2LSB INL (typ), ±0.3LSB DNL (typ)

and no missing codes over temperature. The transition

noise is a low 1.2LSB

The digital outputs are serial LVDS and each channel out-

puts two bits at a time (2-lane mode). At lower sampling

rates there is a one bit option (1-lane mode). The LVDS

drivers have optional internal termination and adjustable

output levels to ensure clean signal integrity.

The ENC

or single-ended with a sine wave, PECL, LVDS, TTL or

CMOS inputs. An internal clock duty cycle stabilizer al-

lows high performance at full speed for a wide range of

clock duty cycles.

DCO

–

9012 TA01a

with Integrated Drivers

9012 is a 4-channel, simultaneous sampling

FPGA

and ENC

analog-to-digital converter (ADC) with

–

inputs may be driven differentially

RMS

–100

–110

–120

–20

–10

–30

–40

–50

–60

–70

–80

–90

LTM9012, 125Msps, 70MHz FFT

FREQUENCY (MHz)

LTM9012

9012 TA01b

9012f

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