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DC806A

P1-P3P4-P4
QUICK START GUIDE FOR DEMONSTRATION CIRCUIT DC806
OCTAL 16 BIT 200KSPS ADC
1
LTC1867
DESCRIPTION
Demonstration circuit 806 features the LTC1867 Octal
16 bit ADC. The LTC1867 can be software pro-
grammed for a unipolar 0 to 4.096V or bipolar +/-
2.048V input range. The 8 channel multiplexer can be
programmed for 8 single-ended inputs with respect
to ground, 7 single-ended inputs with respect to the
COM/CH7 pin, 4 differential inputs, or any combina-
tion of these.
The LTC1867’s DC performance is outstanding with a
+/-2LSB INL specification and no missing codes over
temperature.
The signal-to-noise ratio (SNR) for the LTC1867 is
typically 89dB. Housed in a compact, narrow 16-pin
SSOP package, the LTC1863/LTC1867 is ideal for
space-sensitive and low-power applications.
Design files for this circuit board are available. Call
the LTC factory.
, LTC are registered trademarks of Linear Technology Corporation.
Figure 1.
Connection Diagram
QUICK START GUIDE FOR DEMONSTRATION CIRCUIT DC806
OCTAL 16 BIT 200KSPS ADC
2
QUICK START PROCEDURE
Connect DC806 to a DC590 USB serial controller using
the supplied 14 conductor ribbon cable. Connect
DC590 to a host PC with a standard USB A/B cable.
Run the evaluation software supplied with DC590 or
download it from www.linear.com. The correct control
panel will be loaded automatically. Click the COLLECT
button to begin reading the ADC.
Change the channel and range by right-clicking over
the channel or range indicator in the display.
Complete software documentation is available from
the Help menu item, as features may be added peri-
odically.
Figure 2.
Software Screenshot
QUICK START GUIDE FOR DEMONSTRATION CIRCUIT DC806
OCTAL 16 BIT 200KSPS ADC
3
HARDWARE SET-UP
JUMPERS
JP1
– Select reference, either internal or the onboard
LT1019 reference.
ANALOG CONNECTIONS (TURRET POSTS)
GND
(3X) – Ground plane connections. DC806 can
also be grounded to an application circuit by the ex-
posed ground planes at the edges of the board.
CH0 – CH7/COM
– Analog inputs to LTC1859. Each
input has a 100 / 1000pF filter to reduce wideband
noise pickup.
VREF
– Reference pin on LTC1859. When JP2 is set to
INT, the LTC1867 uses its internal reference, or an ex-
ternal reference can be connected to this pin, overdriv-
ing the internal reference. When JP2 is set to LT1019,
this turret should only be used for monitoring the ref-
erence voltage.
GROUNDING AND POWER CONNECTIONS
DC806 does not require any external power source
when used with the DC590 USB controller board.
However, an external 5V power source can be con-
nected to the Vcc and ground turrets if the power sup-
ply on DC590 has been disabled. Refer to the DC590
quick start guide for more information.
P1-P3P4-P4

DC806A

Mfr. #:
Buy DC806A
Manufacturer:
Analog Devices Inc.
Description:
Data Conversion IC Development Tools LTC1867CGN Demo Board - 16-Bit, 8-Channe
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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