Rainbow-electronics MAX107 Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para Sensores Rainbow-electronics MAX107. Rainbow Electronics MAX107 User Manual Manual do Utilizador

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General Description
The MAX107 is a dual, 6-bit, analog-to-digital converter
(ADC) designed to allow fast and precise digitizing of in-
phase (I) and quadrature (Q) baseband signals. The
MAX107 converts the analog signals of both I and Q
components to digital outputs at 400Msps while achiev-
ing a signal-to-noise ratio (SNR) of typically 37dB with
an input frequency of 125MHz, and an integral nonlin-
earity (INL) and differential nonlinearity (DNL) of ±0.25
LSB. The MAX107 analog input preamplifiers feature a
400MHz, -0.5dB, and a 1.5GHz, -3dB analog input
bandwidth. Matching channel-to-channel performance
is typically 0.04dB gain, 0.1LSB offset, and 0.2 degrees
phase. Dynamic performance is 36.7dB signal-to-noise
plus distortion (SINAD) with a 125MHz analog input sig-
nal and a sampling speed of 400MHz. A fully differential
comparator design and encoding circuits reduce out-of-
sequence errors, and ensure excellent metastable per-
formance of only one error per 10
16
clock cycles.
In addition, the MAX107 provides LVDS digital outputs
with an internal 6:12 demultiplexer that reduces the out-
put data rate to one-half the sample clock rate. Data is
output in two’s complement format. The MAX107 oper-
ates from a +5V analog supply and the LVDS output
ports operate at +3.3V. The data converter’s typical
power dissipation is 2.6W. The device is packaged in
an 80-pin, TQFP package with exposed paddle, and is
specified for the extended (-40°C to +85°C) tempera-
ture range. For a higher-speed, 800Msps version of the
MAX107, please refer to the MAX105 data sheet.
Applications
VSAT Receivers
WLANs
Test Instrumentation
Communications Systems
Features
Two Matched 6-Bit, 400Msps ADCs
Excellent Dynamic Performance
36.7dB SINAD at f
IN
125MHz and
f
CLK
400MHz
Typical INL and DNL: ±0.25LSB
Channel-to-Channel Phase Matching: ±0.2°
Channel-to-Channel Gain Matching: ±0.04dB
6:12 Demultiplexer reduces the Data Rates to
200MHz
Low Error Rate: 10
16
Metastable States at
400Msps
LVDS Digital Outputs in Two’s Complement
Format
MAX107
Dual, 6-Bit, 400Msps ADC with On-Chip,
Wideband Input Amplifier
________________________________________________________________ Maxim Integrated Products 1
REF
I
PRIMARY
PORT
I
AUXILIARY
PORT
Q
PRIMARY
PORT
Q
AUXILIARY
PORT
I ADC
Q ADC
MAX107
Block Diagram
19-2007; Rev 0; 5/01
Ordering Information
PART TEMP. RANGE PIN-PACKAGE
MAX107ECS -40°C to +85°C 80-Pin TQFP-EP
Pin Configuration appears at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
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Resumo do Conteúdo

Página 1 - Wideband Input Amplifier

General DescriptionThe MAX107 is a dual, 6-bit, analog-to-digital converter(ADC) designed to allow fast and precise digitizing of in-phase (I) and qua

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MAX107Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input Amplifier10 ______________________________________________________________________________

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Detailed DescriptionThe MAX107 is a dual, +5V, 6-bit, 400Msps flash ana-log-to-digital converter (ADC), designed for high-speed,high bandwidth I&Q

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MAX107fiers (I&Q) reduce this effect significantly, allowing pre-cise digitizing of fast analog data at high conversionrates. The input amplifiers

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+1.2V, and must be differentially terminated at the farend of each transmission line pair (true and comple-mentary) with 100Ω. Out-Of-Range OperationA

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MAX107designed for single-ended, low-phase noise sine-waveclock signals with as little as 500mVp-p amplitude (-2dBm).Single-Ended Clock (Sine-Wave Dri

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edge of the data ready clock. The auxiliary data portalways contains the older sample. The primary outputalways contains the most recent data sample,

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MAX107Grounding, Bypassing, and Board LayoutGrounding and power supply decoupling strongly influ-ence the MAX107’s performance. At 400MHz clock fre-qu

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capacitor, to filter power supply noise, in parallel with a0.1µF capacitor. A combination of 0.01µF in parallelwith high quality 47pF ceramic chip cap

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MAX107Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input Amplifier18 ______________________________________________________________________________

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clock design limits aperture jitter to typically 1.5psRMS.Figure 11 depicts the aperture jitter (tAJ), which is thesample-to-sample variation in the a

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MAX107Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input Amplifier2 _______________________________________________________________________________

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MAX107Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input Amplifier20 ______________________________________________________________________________

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MAX107Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input AmplifierMaxim cannot assume responsibility for use of any circuitry other than circuitry

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MAX107Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input Amplifier_________________________________________________________________________________

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MAX107Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input Amplifier4 _______________________________________________________________________________

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MAX107Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input Amplifier_________________________________________________________________________________

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MAX107Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input Amplifier6 _______________________________________________________________________________

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MAX107Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input Amplifier_________________________________________________________________________________

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MAX107Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input Amplifier8 _______________________________________________________________________________

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MAX107Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input Amplifier_________________________________________________________________________________

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