Rainbow-electronics MAX101А Manual de usuario descargar pdf

19-1109; Rev 0; 7/96

_______________General Description

The MAX101A ECL-compatible, 500Msps, 8-bit analog-

to-digital converter (ADC) allows accurate digitizing of

analog signals from DC to 250MHz (Nyquist frequen-

cy). Dual monolithic converters, driven by the track/hold

(T/H), operate on opposite clock edges (time inter-

leaved). Designed with Maxim’s proprietary advanced

bipolar processes, the MAX101A contains a high-per-

formance T/H amplifier and two quantizers in an 84-pin

ceramic flat pack.

The innovative design of the internal T/H ensures an

exceptionally wide 1.2GHz input bandwidth and aper-

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

high 7.0 effective bits at the Nyquist frequency. Special

comparator output design and decoding circuitry

reduce out-of-sequence code errors. The probability of

erroneous codes due to metastable states is reduced to

less than 1 error per 10

clock cycles. And, unlike other

ADCs that can have errors resulting in false full-scale or

zero-scale outputs, the MAX101A keeps the error mag-

nitude to less than 1LSB.

The analog input is designed for either differential or

single-ended use with a ±250mV range. Sense pins for

the reference input allow full-scale calibration of the

input range or facilitate ratiometric use.

Phase adjustment is available to adjust the relative

sampling of the converter halves for optimizing convert-

er performance. Input clock phasing is also available

for interleaving several MAX101As for higher effective

sampling rates.

____________________________Features

♦ 500Msps Conversion Rate

♦ 7.0 Effective Bits Typical at 250MHz

♦ 1.2GHz Analog Input Bandwidth

♦ Less than ±1/2LSB INL

♦ 50Ω Differential or Single-Ended Inputs

♦ ±250mV Input Signal Range

♦ Ratiometric Reference Inputs

♦ Dual Latched Output Data Paths

♦ Low Error Rate, Less than 10

-15

Metastable States

♦ 84-Pin Ceramic Flat Pack

________________________Applications

High-Speed Digital Instrumentation

High-Speed Signal Processing

Medical Systems

Radar/Signal Processing

High-Energy Physics

Communications

______________Ordering Information

MAX101A

500Msps, 8-Bit ADC with Track/Hold

________________________________________________________________

Maxim Integrated Products

DCLK

ADJ

TRK1

BDATA

ADATA

AIN+

AIN-

CLK

RTS VA

RBS

RTS

RBS

L

A

T

C

H

E

L

A

T

C

H

E

STROBESTROBE

TRACK

AND

HOLD

FLASH CONVERTER

(8 -BIT)

FLASH CONVERTER

(8 -BIT)

8 8

MAX101A

B

U

F

E

R



_________________________________________________________Functional Diagram

For the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

PART

MAX101ACFR* 0°C to +70°C

TEMP. RANGE PIN-PACKAGE

84 Ceramic Flat Pack

(with heatsink)

EVALUATION KIT MANUAL

AVAILABLE

*Contact factory for 84-pin ceramic flat pack without heatsink.

1 2 3 4 5 6 ... 15 16

Indice de contenidos

Pagina 1 - Maxim Integrated Products

19-1109; Rev 0; 7/96_______________General DescriptionThe MAX101A ECL-compatible, 500Msps, 8-bit analog-to-digital converter (ADC) allows accurate dig

Pagina 2 - ELECTRICAL CHARACTERISTICS

MAX101A500Msps, 8-Bit ADC with Track/Hold10 ____________________________________________________________________________________________Definitions of

Pagina 3

_______________Detailed DescriptionConverter OperationThe parallel or “flash” architecture used by the MAX101Aprovides the fastest multibit conversion

Pagina 4 - TIMING CHARACTERISTICS

MAX101A500Msps, 8-Bit ADC with Track/Hold12 ______________________________________________________________________________________For single-ended ope

Pagina 5 - MAX110 TOC5

MAX101A500Msps, 8-Bit ADC with Track/Hold______________________________________________________________________________________ 13CLK and DCLKAll inpu

Pagina 6 - MAX101 TOC10

MAX101A500Msps, 8-Bit ADC with Track/Hold14 __________________________________________________________________________________________________________

Pagina 7 - Applications Information

MAX101A500Msps, 8-Bit ADC with Track/Hold______________________________________________________________________________________ 151/2 MAX41288+1.25V83

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 - INPUT CLOCK PHASING

MAX101A500Msps, 8-Bit ADC with Track/Hold2 _______________________________________________________________________________________ABSOLUTE MAXIMUM RAT

Pagina 10 - Differential Nonlinearity

VCC(nom) = ±0.25VMAX101A500Msps, 8-Bit ADC with Track/Hold_______________________________________________________________________________________ 340-

Pagina 11 - Table 1. Output Mode Control

Divide-by-1 mode SeeFigures 2, 3 MAX101A500Msps, 8-Bit ADC with Track/Hold4 __________________________________________________________________________

Pagina 12 - Typical Operating Circuit

MAX101A500Msps, 8-Bit ADC with Track/Hold_______________________________________________________________________________________5_____________________

Pagina 13 - CLK and DCLK

MAX101A500Msps, 8-Bit ADC with Track/Hold6 ___________________________________________________________________________________________________________

Pagina 14 - Ceramic Flat Pack

MAX101A500Msps, 8-Bit ADC with Track/Hold_______________________________________________________________________________________ 7____________________

Pagina 15

MAX101A500Msps, 8-Bit ADC with Track/Hold8 _______________________________________________________________________________________72, 73 AIN+75, 76 AI

Pagina 16 - PACK WITH HEAT SINK

MAX101A500Msps, 8-Bit ADC with Track/Hold_______________________________________________________________________________________ 9ADATABDATACLKDCLKtPD

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