MAX1294EVKIT Maxim Integrated Products, MAX1294EVKIT Datasheet

MAX1294EVKIT

Manufacturer Part Number

MAX1294EVKIT

Description

EVALUATION KIT FOR MAX1294

Manufacturer

Maxim Integrated Products

Datasheets

1.MAX1296BEEG.pdf (19 pages)

2.MAX1294EVKIT.pdf (8 pages)

Specifications of MAX1294EVKIT

Number Of Adc's

Number Of Bits

Sampling Rate (per Second)

420k

Data Interface

Parallel

Inputs Per Adc

6 Single Ended

Input Range

±VREF/2

Power (typ) @ Conditions

10mW @ 420kSPS

Voltage Supply Source

Single Supply

Operating Temperature

0°C ~ 70°C

Utilized Ic / Part

MAX1294, MAX1295

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

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The MAX1294 evaluation kit (EV kit) is assembled with a

MAX1294 and the basic components necessary to

evaluate the 12-bit analog-to-digital converter (ADC).

Connectors for power supplies, analog inputs, and digi-

tal signals simplify connections to the device. A 40-pin

header allows the user to connect a logic analyzer

using a ribbon cable or the conventional miniclips. BNC

connectors with 50Ω termination provide easy connec-

tion between function generators and the analog inputs.

The board layout is designed to yield 12-bit accuracy

with low noise when sampling at the maximum rate of

420ksps.

The MAX1294 EV kit may also be used to evaluate the

MAX1295. Request a free sample of the MAX1295BCEI

when ordering the MAX1294 EV kit.

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.

19-1646; Rev 0; 2/00

CLK, CS, COM,

DESIGNATION

INT, RD, WR,

C2, C6–C12

CH0-CH5

JU1, JU2

R4–R14

C1, C3

C4, C5

R1, R2

None

QTY

________________________________________________________________ Maxim Integrated Products

4.7µF, 10V tantalum capacitors

AVX TAJB475M010R

0.1µF ceramic capacitors

0.01µF ceramic capacitors

BNC connectors

40-pin header

2-pin headers

47kΩ, 9-resistor, 10-pin SIPs

51Ω ±5% resistors

MAX1294BCEI

Shunts

MAX1294 printed circuit board

MAX1294 data sheet

General Description

Component List

DESCRIPTION

MAX1294 Evaluation Kit

o 12-Bit Analog-to-Digital Conversion

o Six Input Channels

o 12-Bit-Wide Digital Interface

o Internal Track and Hold

o 420kHz Sampling Rate

o Internal 2.5V Reference

o Internal Clock

o Low-Power Standby Mode

o Fully Assembled Surface-Mount Board

The MAX1294 EV kit comes fully assembled and tested.

The following equipment is required:

• A +5V linear power supply (switching supplies will in-

• A low-distortion function generator

• A logic analyzer

A logic analyzer or other digital system is needed to

provide the clock and control signals and to capture

the conversion results of the MAX1294. Connect the

logic analyzer using a 40-pin ribbon cable or a combi-

nation of BNC cables, ribbon cable, and miniclips.

Refer to the MAX1294 data sheet for detailed informa-

tion on timing requirements.

The analog input signals must be delivered by a low-

distortion source to achieve full 12-bit accuracy. All

analog channels connect to BNC connectors terminat-

ed with 51Ω resistors. For best low-noise performance,

maintain separate analog and digital supplies and

grounds to the board. The grounds are connected in a

star configuration centered on the ground plane of the

board. Refer to the MAX1294/MAX1296 data sheet for a

detailed discussion of signal grounds.

Many of the digital and analog signals on the evaluation

kit have 51Ω termination resistors matching typical gen-

erator impedance. These should be removed if high-

impedance sources are used.

MAX1294EVKIT

duce excess noise on the power input)

PART

TEMP. RANGE

Ordering Information

0°C to +70°C

Quick Start

IC PACKAGE

28 QSOP

Features

Related parts for MAX1294EVKIT

MAX1294EVKIT Summary of contents

Page 1

... Low-Power Standby Mode o Fully Assembled Surface-Mount Board Ordering Information PART TEMP. RANGE MAX1294EVKIT 0°C to +70°C The MAX1294 EV kit comes fully assembled and tested. The following equipment is required: • A +5V linear power supply (switching supplies will in- duce excess noise on the power input) • ...

Page 2

MAX1294 Evaluation Kit Connections and Setup Connect all supplies and signal lines before turning on any supply or signal source: 1) Connect a +5V power supply to the VDD pad. Connect the ground to the AGND pad. The DGND provides ...

Page 3

Figure 1. MAX1294 EV Kit Schematic _______________________________________________________________________________________ MAX1294 Evaluation Kit 3 ...

Page 4

MAX1294 Evaluation Kit 1.0" Figure 2. MAX1294 EV Kit Component Placement Guide—Component Side 4 _______________________________________________________________________________________ ...

Page 5

Figure 3. MAX1294 EV Kit PC Board Layout—Component Side _______________________________________________________________________________________ MAX1294 Evaluation Kit 5 ...

Page 6

MAX1294 Evaluation Kit 1.0" Figure 4. MAX1294 EV Kit PC Board Layout—Interior Layer 1 6 _______________________________________________________________________________________ ...

Page 7

Figure 5. MAX1294 EV Kit PC Board Layout—Interior Layer 2 _______________________________________________________________________________________ MAX1294 Evaluation Kit 7 ...

Page 8

... Maxim reserves the right to change the circuitry and specifications without notice at any time. implied. Maxim reserves the right to change the circuitry and specifications without notice at any time _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2000 Maxim Integrated Products © ...

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