Linear Technology 1620A-A, Демонстрационное руководство

Страница: 1 / 10

1
dc1620afb
DEMO MANUAL DC1620A
DESCRIPTION
LTC2185, LTC2184, LTC2183,
LTC2182, LTC2181, LTC2180, LTC2188, LTC2145-14/-12,
LTC2144-14/-12, LTC2143-14/-12, LTC2142-14/-12, LTC2141-14/-12,
LTC2140-14/-12, LTC2270: 16-/14-/12-Bit,
20Msps to 125Msps Dual ADCs
Demonstration circuit 1620A supports a family of
16-/14-/12-bit, 20Msps to 125Msps ADCs. Each assembly
features one of the following devices: LTC
® 2185, LTC2184,
LTC2183, LTC2182, LTC2181, LTC2180, LTC2188,
LTC2145-14, LTC2144-14, LTC2143-14, LTC2142-14,
LTC2141-14, LTC2140-14, LTC2145-12, LTC2144-12,
LTC2143-12, LTC2142-12, LTC2141-12, or LTC2140-12,
LTC2270 high speed, high dynamic range ADCs.
Demonstration circuit 1620A supports the LTC2185/
LTC2145 family DDR LVDS output mode.
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
QuikEval and PScope are trademarks of Linear Technology Corporation. All other trademarks are
the property of their respective owners.
The versions of the 1620A demo board supporting the
LTC2185 and LTC2145 series of A/D converters are listed
in Table 1. Depending on the required resolution and
sample rate, the DC1620A is supplied with the appropri-
ate ADC. The circuitry on the analog inputs is optimized
for analog input frequencies from 5MHz to 70MHz. Refer
to the data sheet for proper input networks for different
input frequencies.
Design files for this circuit board are available at
http://www.linear.com/demo
Table 1. DC1620 Variants
DC1620 VARIANTS ADC PART NUMBER RESOLUTION MAXIMUM SAMPLE RATE INPUT FREQUENCY
1620A-A LTC2185 16-Bit 125Msps 5MHz to 140MHz
1620A-B LTC2184 16-Bit 105Msps 5MHz to 140MHz
1620A-C LTC2183 16-Bit 80Msps 5MHz to 140MHz
1620A-D LTC2182 16-Bit 65Msps 5MHz to 140MHz
1620A-E LTC2181 16-Bit 40Msps 5MHz to 140MHz
1620A-F LTC2180 16-Bit 25Msps 5MHz to 140MHz
1620A-G LTC2145-14 14-Bit 125Msps 5MHz to 140MHz
1620A-H LTC2144-14 14-Bit 105Msps 5MHz to 140MHz
1620A-I LTC2143-14 14-Bit 80Msps 5MHz to 140MHz
1620A-J LTC2142-14 14-Bit 65Msps 5MHz to 140MHz
1620A-K LTC2141-14 14-Bit 40Msps 5MHz to 140MHz
1620A-L LTC2140-14 14-Bit 25Msps 5MHz to 140MHz
1620A-M LTC2145-12 12-Bit 125Msps 5MHz to 140MHz
1620A-N LTC2144-12 12-Bit 105Msps 5MHz to 140MHz
1620A-O LTC2143-12 12-Bit 80Msps 5MHz to 140MHz
1620A-P LTC2142-12 12-Bit 65Msps 5MHz to 140MHz
1620A-Q LTC2141-12 12-Bit 40Msps 5MHz to 140MHz
1620A-R LTC2140-12 12-Bit 25Msps 5MHz to 140MHz
1620A-S LTC2188 16-Bit 20Msps 5MHz to 140MHz
1620A-T LTC2270 16-Bit 20Msps 5MHz to 140MHz
Downloaded from
Arrow.com.