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DC2551A

Description
DEMO BOARD FOR LT1997
CategoryDevelopment board/suite/development tools   
File Size1MB,4 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

DC2551A Overview

DEMO BOARD FOR LT1997

DC2551A Parametric

Parameter NameAttribute value
Number of channels per IC1 - Single
Amplifier typeUniversal
Output typeSingle-ended, rail-to-rail
Slew rate0.75 V/µs
-3db bandwidth1.1MHz
Current - Output/Channel28mA
Current - Power Supply (Main IC)350µA
Voltage - Power, single/dual (±)3 V ~ 50 V,±1.5V ~ 25 V
Board typecompletely filled
What's includedplate
IC/parts usedLT1997-3
DEMO MANUAL DC2551A
LT1997
Configurable Precision Amplifier
Description
Demonstration Circuit 2551A is a Configurable Precision
Amplifier featuring the
LT
®
1997.
The DC2551A-A supports the LT1997-3 version.
This demo board provides a rapid evaluation tool with
jumpers providing the typical interconnection options that
facilitate setting the pin-strapped internal gain configura-
tion. The LT1997 is unusual in that it may be powered
from a low voltage (down to 3.3V) while it accepts signals
well outside the supply range. This device also supports
particularly high supply voltages, up to 50V. Connection
points are provided to wire the amplifier in other configu-
rations besides those possible with the jumpers alone.
The key performance characteristics of the LT1997 and
DC2551A are shown in the Performance Summary below.
Design files for this circuit board are available at
http://www.linear.com/demo/DC2551A
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
performance summary
SYMBOL
V
+INA
, V
–INA
Other Inputs
V
+
, V
V
OUT
I
OUT
I
S
BW
PARAMETER
Input Range
Specifications are at T
A
= 25°C
CONDITIONS
Thermally Limited to Short-Term
MIN
–160
–0.3
3.3
V
+0.35
±10
I
OUT
= 0
300
±25
330
525
1100
5…30
TYP
MAX
160
80
50
V
+
– 0.7
UNITS
V
V
V
V
mA
µA
kHz
Amplifier Supply Range (Total If Split Supplies)
Output Signal
Output Current Range
Supply Current
Small Signal –3dB Bandwidth
operating principles
The LT1997 is an op amp that includes integrated preci-
sion resistors for providing many useful high accuracy
functions with minimal external components. The default
configuration of the demo circuit is a difference amplifier
structure with gain set to minimum and the output refer-
enced to mid-supply. Refer to the LT1997 data sheet for
tabulations of various practical circuit configurations that
can be implemented, many of which are easily created by
jumper relocation on the demo board. Large vias and some
spare pads are also provided so that other more special-
ized configurations can be evaluated, such as AC-coupled
gain blocks or summing amplifiers. The demo circuit also
provides connector footprints for user-furnished BNC
connectors if cable connectivity is desired.
dc2551af
1

DC2551A Related Products

DC2551A DC2551A-A
Description DEMO BOARD FOR LT1997 DEMO BOARD FOR LT1997
Number of channels per IC 1 - Single 1 - Single
Amplifier type Universal Universal
Output type Single-ended, rail-to-rail Single-ended, rail-to-rail
Slew rate 0.75 V/µs 0.75 V/µs
-3db bandwidth 1.1MHz 1.1MHz
Current - Output/Channel 28mA 28mA
Current - Power Supply (Main IC) 350µA 350µA
Voltage - Power, single/dual (±) 3 V ~ 50 V,±1.5V ~ 25 V 3 V ~ 50 V,±1.5V ~ 25 V
Board type completely filled completely filled
What's included plate plate
IC/parts used LT1997-3 LT1997-3

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