Rainbow-electronics MAX1426 Bedienungsanleitung PDF herunterladen

For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

General Description

The MAX1426 10-bit, monolithic analog-to-digital con-

verter (ADC) is capable of a 10Msps sampling rate. This

device features an internal track-and-hold (T/H) amplifier

for excellent dynamic performance; at the same time, it

minimizes the number of external components. Low

input capacitance of only 8pF minimizes input drive

requirements. A wide input bandwidth (up to 150MHz)

makes this device suitable for digital RF/IF downconvert-

er applications employing undersampling techniques.

The MAX1426 employs a differential pipelined architec-

ture with a wideband T/H amplifier to maximize through-

put while limiting power consumption to only 156mW.

The MAX1426 generates an internal +2.5V reference

that supplies three additional reference voltages

(+3.25V, +2.25V, and +1.25V). These reference volt-

ages provide a differential input range of +2V to -2V.

The analog inputs are biased internally to correct the

DC level, eliminating the need for external biasing on

AC-coupled applications.

A separate +3V digital logic supply input allows for

separation of digital and analog circuitry. The output

data is in two’s complement format. The MAX1426 is

available in the space-saving 28-pin SSOP package.

For a pin-compatible version at a higher data rate, refer

to the MAX1424 or MAX1425

Applications

Medical Ultrasound Imaging

CCD Pixel Processing

IR Focal Plane Array

Radar

IF and Baseband Digitization

Set-Top Boxes

Features

♦ Differential Inputs for High Common-Mode

Noise Rejection

♦ 61dB Signal-to-Noise Ratio (at f

= 2MHz)

♦ Internal +2.5V Reference

♦ 150MHz Input Bandwidth

♦ Wide ±2V Input Range

♦ Low Power Consumption: 156mW

♦ Separate Digital Supply Input for 3V Logic

Compatibility

♦ Single +5V Operation Possible

MAX1426

10-Bit, 10Msps ADC

________________________________________________________________ Maxim Integrated Products 1

DGND

OE/PD

CLK

CMLN

CMLP

INN

INP

AGND

CML

REFN

REFIN

REFP

AGND

SSOP

TOP VIEW

MAX1426

CLK

INP

INTERFACE

PIPELINE ADC

REF SYSTEM +

BIAS

OUTPUT

DRIVERS

REF

REFIN REFP CML REFN OE/PD

AGND

DGND

D9–D0

INN

T/H

MAX1426

Functional Diagram

19-1598 Rev 0; 1/00

PART

MAX1426CAI

MAX1426EAI -40°C to +85°C

0°C to +70°C

TEMP. RANGE PIN-PACKAGE

28 SSOP

Pin Configuration

Ordering Information

1 2 3 4 5 6 ... 15 16

10-Bit, 10Msps ADC 1

Inhaltsverzeichnis

Seite 1 - 10-Bit, 10Msps ADC

For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.For small orders, phone 1-800-835-8769.General DescriptionT

Seite 2

MAX142610-Bit, 10Msps ADC10 ______________________________________________________________________________________Detailed DescriptionThe MAX1426 uses

Seite 3

MAX142610-Bit, 10Msps ADC______________________________________________________________________________________ 11and REFN. In this mode, the voltages

Seite 4

MAX142610-Bit, 10Msps ADC12 ______________________________________________________________________________________Figure 5. Typical Application Circui

Seite 5

MAX142610-Bit, 10Msps ADC______________________________________________________________________________________ 13octal D-latched flip-flop (74ALS374)

Seite 6

MAX142610-Bit, 10Msps ADC14 ______________________________________________________________________________________Bypassing and Board LayoutThe MAX142

Seite 7

MAX142610-Bit, 10Msps ADC______________________________________________________________________________________ 15SSOP.EPS____________________________

Seite 8

MAX142610-Bit, 10Msps ADCMaxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No cir

Seite 9

MAX142610-Bit, 10Msps ADC2 _______________________________________________________________________________________ABSOLUTE MAXIMUM RATINGSELECTRICAL C

Seite 10

MAX142610-Bit, 10Msps ADC_______________________________________________________________________________________ 3ELECTRICAL CHARACTERISTICS (continue

Seite 11

MAX142610-Bit, 10Msps ADC4 _______________________________________________________________________________________ELECTRICAL CHARACTERISTICS (continue

Seite 12

MAX142610-Bit, 10Msps ADC_______________________________________________________________________________________ 5ELECTRICAL CHARACTERISTICS (continue

Seite 13

MAX142610-Bit, 10Msps ADC6 _______________________________________________________________________________________Typical Operating Characteristics(VA

Seite 14

MAX142610-Bit, 10Msps ADC_______________________________________________________________________________________ 7020406080SPURIOUS-FREE DYNAMIC RANGE

Seite 15

MAX142610-Bit, 10Msps ADC8 _______________________________________________________________________________________Typical Operating Characteristics (c

Seite 16

MAX142610-Bit, 10Msps ADC_______________________________________________________________________________________ 9Pin DescriptionCommon-Mode Level Pos

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Rainbow-electronics MAX1426 Bedienungsanleitung

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Inhaltsverzeichnis

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