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LTC2174-14/-12, LTC2173-14/-12, LTC2172-14/-12,
DESCRIPTION
Demonstration circuit 1525A supports a family of
14-Bit/12-Bit 25Msps to 125Msps ADCs. Each assem-
bly features one of the following devices: LTC
LTC2175-12, LTC2174-14, LTC2174-12, LTC2173-14,
LTC2173-12, LTC2172-14, LTC2172-12, LTC2171-14,
LTC2171-12, LTC2170-14, LTC2170-12 high speed,
quad ADCs.
The versions of the 1525A demo board are listed in Table 1.
Depending on the required resolution and sample rate,
Table 1. DC1525A Variants
DC1525A VARIANTS
1525A-A
1525A-B
1525A-C
1525A-D
1525A-E
1525A-F
1525A-G
1525A-H
1525A-I
1525A-J
1525A-K
1525A-L
Arrow.com.
Downloaded from
12-Bit/14-Bit, 25Msps to 125Msps Quad ADCs
®
2175-14,
ADC PART NUMBER
LTC2175-14
LTC2174-14
LTC2173-14
LTC2172-14
LTC2171-14
LTC2170-14
LTC2175-12
LTC2174-12
LTC2173-12
LTC2172-12
LTC2171-12
LTC2170-12
DEMO MANUAL DC1525A
LTC2171-14/-12, LTC2170-14/-12
the DC1525A is supplied with the appropriate ADC. The
circuitry on the analog inputs is optimized for analog input
frequencies from 5MHz to 140MHz. 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
L, LT, LTC, LTM, μModule, 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.
RESOLUTION
MAXIMUM SAMPLE RATE
14-Bit
14-Bit
14-Bit
14-Bit
14-Bit
14-Bit
12-Bit
12-Bit
12-Bit
12-Bit
12-Bit
12-Bit
LTC2175-14/-12,
INPUT FREQUENCY
125Msps
5MHz to 140MHz
105Msps
5MHz to 140MHz
80Msps
5MHz to 140MHz
65Msps
5MHz to 140MHz
40Msps
5MHz to 140MHz
25Msps
5MHz to 140MHz
125Msps
5MHz to 140MHz
105Msps
5MHz to 140MHz
80Msps
5MHz to 140MHz
65Msps
5MHz to 140MHz
40Msps
5MHz to 140MHz
25Msps
5MHz to 140MHz
dc1525af
1
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Related Manuals for Linear Technology DC1525B-D
Summary of Contents for Linear Technology DC1525B-D
- Page 1 ADCs. L, LT, LTC, LTM, μModule, Linear Technology and the Linear logo are registered trademarks The versions of the 1525A demo board are listed in Table 1. and QuikEval and PScope are trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
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Page 2: Performance Summary
DEMO MANUAL DC1525A PERFORMANCE SUMMARY = 25°C) PARAMETER CONDITION VALUE Supply Voltage: DC1525A Depending on Sampling Rate and the A/D Converter Provided, Optimized for 3V [3V ↔ 6.0V Min/Max] this Supply Must Provide Up to 500mA. Analog Input Range Depending on SENSE Pin Voltage to 2V Logic Input Voltages Minimum Logic High... - Page 3 DEMO MANUAL DC1525A QUICK START PROCEDURE 3.5V TO 6V ANALOG INPUTS TO PROVIDED CHANNEL 1 POWER SUPPLY USE PROVIDED CHANNEL 2 USB CABLE PARALLEL/SERIAL CHANNEL 3 CHANNEL 4 dc1525a F01 SINGLE-ENDED ENCODE CLOCK USE PROVIDED DC1075 Figure 1. DC1525A Setup Analog Input Network the combination of low noise figure and High IP3 point required.
- Page 4 PScope is available in the DC1371 Quick Start Guide and in be used. Linear Technology also provides demo board the online help available within the PScope program itself. DC1075A that divides a high frequency sine wave by four,...
- Page 5 DEMO MANUAL DC1525A QUICK START PROCEDURE This menu allows any of the options available for the Channel 4 Nap: Selects between normal operation and LTC2175 family to be programmed serially. The LTC2175 putting channel 4 in nap mode. family has the following options: •...
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Page 6: Parts List
DEMO MANUAL DC1525A PARTS LIST ITEM REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER Required Circuit Components C1, C17 CAP ., X5R, 2.2μF , 10V, 10% 0603 NIC, NMC0603X5R225K10TRPF C2, C3, C5, C7-C9, C15, C16, C18, C28, C29, CAP ., X5R, 0.1μF , 10V, 10% 0402 AVX, 0402ZD104KAT2A C30, C36, C38, C48, C52, C58, C59, C67 CAP ., X5R, 1μF , 10V, 10% 0402... - Page 7 DEMO MANUAL DC1525A PARTS LIST ITEM REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER I.C., LT1763CS8-1.8, SO8 LINEAR, LT1763CS8-1.8#TRPBF I.C., 24LC32A, TSSOP-8 MICROCHIP , 24LC32A I /ST DC1525A GENERAL BOM I.C., LTC2175-14, 7mm × 8mm QFN U1 (DC1525A-A) LINEAR., LTC2175IUKG-14#PBF FAB, PRINTED CIRCUIT BOARD DEMO CIRCUIT 1525A DC1525A GENERAL BOM...
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Page 8: Schematic Diagram
DEMO MANUAL DC1525A SCHEMATIC DIAGRAM dc1525af Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from... - Page 9 Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
- Page 10 Linear Technology Corporation (LTC) provides the enclosed product(s) under the following AS IS conditions: This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety measures typically found in finished commercial goods.
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