Rainbow-electronics MAX100 Manual de usuario descargar pdf

_______________General Description

The MAX100 ECL-compatible, 250Msps, 8-bit analog-to-

digital converter (ADC) allows accurate digitizing of ana-

log signals from DC to 125MHz (Nyquist frequency).

Designed with Maxim’s proprietary advanced bipolar

processes, the MAX100 contains a high-performance

track/hold (T/H) amplifier and a quantizer in a single

ceramic strip-line package.

The innovative design of the internal T/H assures an

exceptionally wide input bandwidth of 1.2GHz and aper-

ture delay uncertainty of less than 2ps, resulting in a high

6.8 effective bits performance. Special comparator output

design and decoding circuitry reduce out-of-sequence

code errors. The probability of erroneous codes occurring

due to metastable states is reduced to less than 1 error

per 10

clock cycles. Unlike other ADCs, which can

have errors that result in false full-scale or zero-scale out-

puts, the MAX100 keeps the magnitude to less than 1LSB.

The analog input is designed for either differential or single-

ended use with a ±270mV range. Sense pins for the refer-

ence input allow full-scale calibration of the input range or

facilitate ratiometric use. Midpoint tap for the reference

string is available for applications that need to modify the

output coding for a user-defined bilinear response. Use of

separate high-current and low-current ground pins pro-

vides better noise immunity and highest device accuracy.

Dual output data paths provide several data output modes

for easy interfacing. These modes can be configured as

either one or two identical latched ECL outputs. An 8:16

demultiplexer mode that reduces the output data rates to

one-half the clock rate is also available.

For applications that require faster data rates, refer to

Maxim’s MAX101, which allows conversion rates up to

500Msps.

____________________________Features

♦ 250Msps Conversion Rate

♦ 6.8 Effective Bits at 125MHz

♦ Less than ±1/2LSB INL

♦ 50Ω Differential or Single-Ended Inputs

♦ ±270mV Input Signal Range

♦ Reference Sense Inputs

♦ Ratiometric Reference Inputs

♦ Configurable Dual-Output Data Paths

♦ Latched, ECL-Compatible Outputs

♦ Low Error Rate, Less than 10

-15

Metastable States

♦ Selectable On-Chip 8:16 Demultiplexer

♦ 84-Pin Ceramic Flat Pack

________________________Applications

High-Speed Digital Instrumentation

High-Speed Signal Processing

Medical Systems

Radar/Sonar

High-Energy Physics

Communications

______________Ordering Information

MAX100

________________________________________________________________

Maxim Integrated Products

DCLK

A=B

DIVMOD

BData

(B0–B7)

AData

(A0–A7)

AIN+

AIN-

CLK

RTS

RBS

CTS

L

A

T

C

H

E

B

U

F

E

L

A

T

C

H

E

MODE

CONTROL

TRACK/

HOLD

FLASH CONVERTER

8 8

_________________________________________________________Functional Diagram

Call toll free 1-800-998-8800 for free literature.

PART

MAX100CFR* 0°C to +70°C

TEMP. RANGE PIN-PACKAGE

84 Ceramic Flat Pack (with heatsink)

19-0282; Rev 0; 7/94

EVALUATION KIT

AVAILABLE

*Contact factory for 84-Pin Ceramic Flat Pack without heatsink.

250Msps, 8-Bit ADC with Track/Hold

1 2 3 4 5 6 ... 15 16

Indice de contenidos

Pagina 1 - Maxim Integrated Products

_______________General DescriptionThe MAX100 ECL-compatible, 250Msps, 8-bit analog-to-digital converter (ADC) allows accurate digitizing of ana-log si

Pagina 2 - ELECTRICAL CHARACTERISTICS

MAX100250Msps, 8-Bit ADC with Track/Hold10 ____________________________________________________________________________________________Definitions of

Pagina 3

MAX100250Msps, 8-Bit ADC with Track/Hold______________________________________________________________________________________ 11_______________Detail

Pagina 4 - TIMING CHARACTERISTICS

MAX100250Msps, 8-Bit ADC with Track/Hold12 ______________________________________________________________________________________Table 2. Output Mode

Pagina 5 - = 120.4462MHz)

MAX100250Msps, 8-Bit ADC with Track/Hold______________________________________________________________________________________ 13ReferenceThe ADC’s re

Pagina 6

MAX100250Msps, 8-Bit ADC with Track/Hold14 ______________________________________________________________________________________MAX1001/2 MAX4121/2 M

Pagina 7 - Typical Operating Circuit

MAX100250Msps, 8-Bit ADC with Track/Hold______________________________________________________________________________________ 15_____________________

Pagina 8

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses arei

Pagina 9

MAX100250Msps, 8-Bit ADC with Track/Hold2 _______________________________________________________________________________________ABSOLUTE MAXIMUM RATI

Pagina 10 - Differential Nonlinearity

MAX100250Msps, 8-Bit ADC with Track/Hold_______________________________________________________________________________________ 3ELECTRICAL CHARACTERI

Pagina 11 - Table 1. Input Voltage Range

OUTPUT CODEINTEGRAL NONLINEARITY vs. OUTPUT CODE0.750.500.250-0.250 64 128 192 256-0.50-0.75INL (LSBs)OUTPUT CODEDIFFERENTIAL NONLINEARITY vs. OUTP

Pagina 12 - Table 2. Output Mode Control

MAX100250Msps, 8-Bit ADC with Track/Hold_______________________________________________________________________________________5fCLK = 250MHz, fAIN =

Pagina 13 - CLK and DCLK

MAX100250Msps, 8-Bit ADC with Track/Hold6 ____________________________________________________________________________________________________________

Pagina 14 - MC100E116

MAX100250Msps, 8-Bit ADC with Track/Hold_______________________________________________________________________________________7______________________

Pagina 15 - Ceramic Flat Pack

MAX100250Msps, 8-Bit ADC with Track/Hold8 ____________________________________________________________________________________________________________

Pagina 16 - PACK WITH HEAT SINK

MAX100250Msps, 8-Bit ADC with Track/Hold_______________________________________________________________________________________ 9CLKADataBDataCLKDCLKD

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Rainbow-electronics MAX100 Manual de usuario

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