Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

AD8145 Datasheet(PDF) 19 Page - Analog Devices

Part # AD8145
Description  High Speed, Triple Differential Receiver with Comparators
Download  24 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD8145 Datasheet(HTML) 19 Page - Analog Devices

Back Button AD8145 Datasheet HTML 15Page - Analog Devices AD8145 Datasheet HTML 16Page - Analog Devices AD8145 Datasheet HTML 17Page - Analog Devices AD8145 Datasheet HTML 18Page - Analog Devices AD8145 Datasheet HTML 19Page - Analog Devices AD8145 Datasheet HTML 20Page - Analog Devices AD8145 Datasheet HTML 21Page - Analog Devices AD8145 Datasheet HTML 22Page - Analog Devices AD8145 Datasheet HTML 23Page - Analog Devices Next Button
Zoom Inzoom in Zoom Outzoom out
 19 / 24 page
background image
AD8145
Rev. 0 | Page 19 of 24
DRIVING A CAPACITIVE LOAD
The AD8145 typically drives either high impedance loads over
short PCB traces, such as crosspoint switch inputs, or doubly
terminated coaxial cables. A gain of 1 is commonly used in the
high impedance case since the 6 dB transmission line termination
loss is not incurred. A gain of 2 is required when driving cables
to compensate for the 6 dB termination loss.
In all cases, the output must drive the parasitic capacitance
of the feedback loop, conservatively estimated to be 1 pF, in
addition to the capacitance presented by the actual load. When
driving a high impedance input, it is recommended that a small
series resistor be used to buffer the input capacitance of the
device being driven. Clearly, the resistor value must be small
enough to preserve the required bandwidth. In the ideal doubly
terminated cable case, the AD8145 output sees a purely resistive
load. In reality, there is some residual capacitance, and this is
buffered by the series termination resistor. Figure 42 illustrates
the high impedance case, and Figure 43 illustrates the cable-
driving case.
POWER-DOWN
The power-down feature is intended to be used to reduce power
consumption when a particular device is not in use, and does
not place the output in a high-Z state when asserted. The
power-down feature is asserted when the voltage applied to the
power-down pin drops to approximately 2 V below the positive
supply. The AD8145 is enabled by pulling the power-down pin
to the positive supply.
RS
CIN
GAIN
REF
R
R
0.01µF
0.01µF
+5V
–5V
C
OUT
VIN
VREF
Figure 42. Buffering the Input Capacitance of a High-Z Load with G = 1
GAIN
REF
R
R
0.01µF
0.01µF
+5V
–5V
C
VREF
VIN
RS
CS
RL
OUT
Figure 43. Driving a Doubly Terminated Cable with G = 2


Similar Part No. - AD8145

ManufacturerPart #DatasheetDescription
logo
Analog Devices
AD8145 AD-AD8145 Datasheet
464Kb / 24P
   High Speed, Triple Differential Receiver with Comparators
REV. A
AD8145WYCPZ-R7 AD-AD8145WYCPZ-R7 Datasheet
464Kb / 24P
   High Speed, Triple Differential Receiver with Comparators
REV. A
AD8145WYCPZ-R72 AD-AD8145WYCPZ-R72 Datasheet
464Kb / 24P
   High Speed, Triple Differential Receiver with Comparators
REV. A
AD8145YCPZ-R2 AD-AD8145YCPZ-R2 Datasheet
464Kb / 24P
   High Speed, Triple Differential Receiver with Comparators
REV. A
AD8145YCPZ-R7 AD-AD8145YCPZ-R7 Datasheet
464Kb / 24P
   High Speed, Triple Differential Receiver with Comparators
REV. A
More results

Similar Description - AD8145

ManufacturerPart #DatasheetDescription
logo
Analog Devices
AD8145 AD-AD8145_15 Datasheet
464Kb / 24P
   High Speed, Triple Differential Receiver with Comparators
REV. A
AD8143 AD-AD8143_16 Datasheet
639Kb / 24P
   High Speed, Triple Differential Receiver with Comparators
AD8143 AD-AD8143_15 Datasheet
575Kb / 24P
   High Speed, Triple Differential Receiver with Comparators
REV. 0
AD8143 AD-AD8143 Datasheet
577Kb / 24P
   High Speed, Triple Differential Receiver with Comparators
REV. 0
AD8145WYCPZ-R7 AD-AD8145WYCPZ-R7 Datasheet
464Kb / 24P
   High Speed, Triple Differential Receiver with Comparators
REV. A
logo
National Semiconductor ...
LM161 NSC-LM161 Datasheet
271Kb / 10P
   High Speed Differential Comparators
logo
Texas Instruments
LM161 TI1-LM161_15 Datasheet
988Kb / 16P
[Old version datasheet]   High Speed Differential Comparators
logo
Analog Devices
AD8122 AD-AD8122 Datasheet
402Kb / 13P
   Triple Differential Receiver
Rev. PrC
logo
Texas Instruments
SN65LVDS33-EP TI1-SN65LVDS33-EP Datasheet
618Kb / 23P
[Old version datasheet]   HIGH-SPEED DIFFERENTIAL RECEIVER
SN55LVDS33-SP TI1-SN55LVDS33-SP Datasheet
252Kb / 20P
[Old version datasheet]   HIGH-SPEED DIFFERENTIAL RECEIVER
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
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