Motor de Búsqueda de Datasheet de Componentes Electrónicos
  Spanish  ▼
ALLDATASHEET.ES

X  

MAX1420 Datasheet(PDF) 14 Page - Maxim Integrated Products

No. de pieza MAX1420
Descripción Electrónicos  12-Bit, 60Msps, 3.3V, Low-Power ADC with Internal Reference
Download  17 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrónico  MAXIM [Maxim Integrated Products]
Página de inicio  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1420 Datasheet(HTML) 14 Page - Maxim Integrated Products

Back Button MAX1420 Datasheet HTML 9Page - Maxim Integrated Products MAX1420 Datasheet HTML 10Page - Maxim Integrated Products MAX1420 Datasheet HTML 11Page - Maxim Integrated Products MAX1420 Datasheet HTML 12Page - Maxim Integrated Products MAX1420 Datasheet HTML 13Page - Maxim Integrated Products MAX1420 Datasheet HTML 14Page - Maxim Integrated Products MAX1420 Datasheet HTML 15Page - Maxim Integrated Products MAX1420 Datasheet HTML 16Page - Maxim Integrated Products MAX1420 Datasheet HTML 17Page - Maxim Integrated Products  
Zoom Inzoom in Zoom Outzoom out
 14 / 17 page
background image
with high-speed op amps. Select the RISO and CIN val-
ues to optimize the filter performance, to suit a particu-
lar application. For the application in Figure 7, an
isolation resistor (RISO) of 50
Ω is placed before the
capacitive load to prevent ringing and oscillation. The
22pF CIN capacitor acts as a small bypassing capacitor.
Connecting CIN from INN to INP may further improve
dynamic performance.
Using Transformer Coupling
An RF transformer (Figure 8) provides an excellent
solution to convert a single-ended signal to a fully dif-
ferential signal, required by the MAX1420 for optimum
performance. Connecting the center tap of the trans-
former to CML provides an AVDD/2 DC level shift to the
input. Although a 1:1 transformer is shown, a 1:2 or 1:4
step-up transformer may be selected to reduce the
drive requirements.
In general, the MAX1420 provides better SFDR and THD
with fully differential input signals over single-ended
input signals, especially for very high input frequencies.
In differential input mode, even-order harmonics are sup-
pressed and each input requires only half the signal
swing compared to single-ended mode.
Single-Ended AC-Coupled Input Signal
Figure 9 shows an AC-coupled, single-ended applica-
tion, using a MAX4108 op amp. This configuration pro-
vides high speed, high bandwidth, low noise, and low
distortion to maintain the integrity of the input signal.
Grounding, Bypassing and
Board Layout
The MAX1420 requires high-speed board layout design
techniques. Locate all bypass capacitors as close to
the device as possible, preferably on the same side of
the board as the ADC, using surface-mount devices for
minimum inductance. Bypass REFP, REFN, REFIN, and
CML with a parallel network of 0.22µF capacitors and
1nF to AGND. AVDD should be bypassed with a similar
network of a 10µF bipolar capacitor in parallel with two
ceramic capacitors of 1nF and 0.1µF. Follow the same
rules to bypass the digital supply DVDD to DGND.
Multilayer boards with separate ground and power
planes produce the highest level of signal integrity.
Consider the use of a split ground plane arrangement
to match the physical location of the analog ground
(AGND) and the digital ground (DGND) on the ADCs
package. Join the two ground planes at a single point,
such that the noisy digital ground currents do not inter-
fere with the analog ground plane. Alternatively, all
ground pins could share the same ground plane, if the
ground plane is sufficiently isolated from any noisy, dig-
ital systems ground plane (e.g., downstream output
buffer or DSP ground plane). Route high-speed digital
signal traces away from sensitive analog traces and
remove digital ground and power planes from under-
neath digital outputs. Keep all signal lines short and
free of 90 degree turns.
12-Bit, 60Msps, +3.3V, Low-Power ADC
with Internal Reference
MAX1420
T1
N.C.
VIN
6
1
5
2
4
3
22pF
22pF
1nF
0.1
µF
0.22
µF
25
25
MINICIRCUITS
T1–1T–KK81
INN
INP
CML
44pF
*
*
*
*REPLACE BOTH 22pF CAPS WITH 44pF BETWEEN
INP AND INN TO IMPROVE DYNAMIC PERFORMANCE.
Figure 8. Using a Transformer for AC-Coupling
14
_____________________________________________________________________________________


Número de pieza similar - MAX1420

Fabricante ElectrónicoNo. de piezaDatasheetDescripción Electrónicos
logo
Maxim Integrated Produc...
MAX1420 MAXIM-MAX1420 Datasheet
235Kb / 6P
   Easy Data Capture Configuration
Rev 0; 5/01
MAX1420EVKIT MAXIM-MAX1420EVKIT Datasheet
235Kb / 6P
   Easy Data Capture Configuration
Rev 0; 5/01
More results

Descripción similar - MAX1420

Fabricante ElectrónicoNo. de piezaDatasheetDescripción Electrónicos
logo
Maxim Integrated Produc...
MAX1446 MAXIM-MAX1446_08 Datasheet
250Kb / 20P
   10-Bit, 60Msps, 3.0V, Low-Power ADC with Internal Reference
Rev 4; 11/08
MAX1446 MAXIM-MAX1446 Datasheet
282Kb / 16P
   10-Bit, 60Msps, 3.0V, Low-Power ADC with Internal Reference
Rev 1; 7/03
MAX1421 MAXIM-MAX1421 Datasheet
310Kb / 17P
   12-Bit, 40Msps, 3.3V, Low-Power ADC with Internal Reference
19-1900; Rev 0; 5/01
MAX1422 MAXIM-MAX1422 Datasheet
727Kb / 15P
   12-Bit, 20Msps, 3.3V, Low-Power ADC with Internal Reference
Rev 1; 5/04
MAX1446-07 MAXIM-MAX1446-07 Datasheet
377Kb / 22P
   10-Bit, 60Msps, 3.0V, Low-Power ADC with Internal Reference
Rev 3; 11/07
MAX1421 MAXIM-MAX1421_V01 Datasheet
571Kb / 17P
   12-Bit, 40Msps, 3.3V, Low-Power ADC with Internal Reference
2006
MAX1197 MAXIM-MAX1197 Datasheet
544Kb / 22P
   Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs
2002
MAX1449 MAXIM-MAX1449 Datasheet
603Kb / 18P
   10-Bit, 105Msps, Single 3.3V, Low-Power ADC with Internal Reference
Rev 0; 10/00
MAX191 MAXIM-MAX191 Datasheet
227Kb / 24P
   Low-Power, 12-Bit Sampling ADC with Internal Reference and Power-Down
19-4506; Rev 4; 2/97
logo
Texas Instruments
TLV2556 TI1-TLV2556_14 Datasheet
1Mb / 38P
[Old version datasheet]   12-BIT, 200-KSPS, 11 CHANNEL, LOW POWER, SERIAL ADC WITH INTERNAL REFERENCE
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17


Datasheet Descarga

Go To PDF Page


Enlace URL




Política de Privacidad
ALLDATASHEET.ES
¿ALLDATASHEET es útil para Ud.?  [ DONATE ] 

Todo acerca de Alldatasheet   |   Publicidad   |   Contáctenos   |   Política de Privacidad   |   Intercambio de Enlaces   |   Lista de Fabricantes
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com