Linear Technology DC1732 Series, Демонстрационное руководство

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dc1732f
DEMO MANUAL DC1732
DESCRIPTION
LTM9012
14-Bit, 125Msps Quad ADC
with Integrated Drivers
Demonstration circuit DC1732 supports the LTM
®
9012
high speed, quad ADC modules.
The versions of the 1732B demo board are listed in Table 1.
Depending on the required resolution and sample rate, the
DC1732 is supplied with the appropriate ADC. The circuitry
on the analog inputs is optimized for full bandwidth. Refer
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.
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
(T
A
= 25°C)
Table 1. DC1732 Variants
DC1732 VARIANTS ADC PART NUMBER RESOLUTION MAXIMUM SAMPLE RATE INPUT RANGE*
1732B-AB LTM9012-AB 14-BIT 125 Msps 220mV
P-P
*With SENSE pin tied to 1.8V.
PERFORMANCE SUMMARY
PARAMETER CONDITION VALUE
Supply Voltages – DC1732B Depending on Sampling Rate, This Supply Must Provide Up to 700mA. 3V to 6V, 5V to 6V
Analog Input Range Depending on SENSE Pin Voltage 110mV
P-P
to 220mV
P-P
Logic Input Voltages Minimum Logic High 1.3V
Maximum Logic Low 0.6V
Logic Output Voltages (Differential) Nominal Logic Levels (100Ω Load, 3.5mA Mode) 350mV/1.25V Common Mode
Minimum Logic Levels (100Ω Load, 3.5mA Mode) 247mV/1.25V Common Mode
Sampling Frequency (Convert Clock
Frequency)
See Table 1
Encode Clock Level Single-Ended Encode Mode (ENC
–
Tied to GND) 0V to 3.6V
Encode Clock Level Differential Encode Mode (ENC
–
not Tied to GND) 0.2V to 3.6V
Resolution See Table 1
Input Frequency Range See Table 1
SFDR See Applicable Data Sheet
SNR See Applicable Data Sheet
This datasheet has been downloaded from http://www.digchip.com at this page