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Silicon Laboratories TSM1285 Manual
Silicon Laboratories TSM1285 Manual

Silicon Laboratories TSM1285 Manual

Demo board a 300ksps, single-supply, 12-bit serial-output adc

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FEATURES
 Quick and easy Interface to computer for
evaluation via Nano River Technologies
ViperBoard and USB cable
 Input BNC connection
 On-board +3.3V supply voltage
 External power supply connection available
 Fully Assembled and Tested
 2in x 3in 2-layer circuit board
Figure 1. TSM1285 Evaluation Board
with Nano River Tech ViperBoard
Figure 2. TSM1285 Evaluation Board
(Top View)
A 300ksps, Single-supply, 12-Bit Serial-output ADC
TSM1285 Demo Board
DESCRIPTION
The demo board for the TSM1285 is a completely
assembled and tested circuit board that can be used
for evaluating the TSM1285. For easy and quick
evaluation of the TSM1285, a Nano River Tech
ViperBoard with an onboard microcontroller and
FPGA for signal processing is available. The
ViperBoard interfaces to any computer via USB port
and a user-friendly Windows OS compatible software
is available for evaluation.
The TSM1285 – a single-supply, single-channel, 12-
bit analog-to-digital converter (ADC) - is an alternate
source for the MAX1285 and a higher-speed upgrade
to the MAX1240 and MAX1240 ADCs. The TSM1285
combines a high-bandwidth track-and-hold (T/H), a
high-speed serial digital interface, an internal +2.5V
reference,
and
low
consumption. The TSM1285 operates from a single
+2.7V to+3.6V supply and draws less than 2.5mA at
300ksps.
Product data sheet and additional documentation can
be found at www.silabs.com.

ORDERING INFORMATION

Order Number
TSM1285DB
TSDA-VB
Figure 3. TSM1285 Evaluation Board
(Bottom View)
© 2014 Silicon Laboratories, Inc. All rights reserved.
conversion-mode
Description
TSM1285
Demo Board
Nano River Tech ViperBoard
power
Page 1

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Summary of Contents for Silicon Laboratories TSM1285

  • Page 1: Ordering Information

    FEATURES DESCRIPTION  Quick and easy Interface to computer for The demo board for the TSM1285 is a completely assembled and tested circuit board that can be used evaluation via Nano River Technologies for evaluating the TSM1285. For easy and quick...
  • Page 2: Additional Functions

    TSM1285 Demo Board In order to evaluate the TSM1285, jumper J2 is to be Description set to position 1-2. The default configuration for J2 is 1-2. Refer to Figure 6 and Table 1. The default The TSM1285 demo board provides an easy-to-use configuration on the board is for V = +3.3V.
  • Page 3 “Shutdown between conversions” box. The samples vs code and the FFT plot will update after every conversion. Sampling section TSM1285 ADC section Samples vs Code plot FFT plot Figure 4. TSM1285 Response with GUI TSM1285-EVB Rev. 1.0 Page 3...
  • Page 4 TSM1285 Demo Board Figure 5. TSM1285 Shutdown Control Enabled Page 4 TSM1285-EVB Rev. 1.0...
  • Page 5 Systems Model DS360 or better w/ BNC cable X1 are 10, 8, 4, and 6, respectively.  Ammeter 3) To measure the supply current of the TSM1285, In order to evaluate the TSM1285 using the TSM1285 place jumper J2 to position 2-3. Then, apply an external power supply to J1.
  • Page 6 TSM1285 Demo Board External Power Supplies = 3.3V TSM1285DB w/ only) Nano River Tech 34-pin socket +2.7V ViperBoard +3.6V TSM1285 Only Apply +2.7 to +3.6V to pin 12 TSM1285 Only +2.7V (Supply Current Measurement) +3.6V Table 1. J1, J2, and X1 connections...
  • Page 7 TSM1285 Demo Board Figure 7. Top Layer Trace View Figure 6. Top Layer Component View Figure 8. Bottom Layer #1 Figure 9. Bottom Layer #2 Silicon Laboratories, Inc. Page 7 400 West Cesar Chavez, Austin, TX 78701 TSM1285-EVB Rev. 1.0...
  • Page 8 The products must not be used within any Life Support System without the specific written consent of Silicon Laboratories. A "Life Support System" is any product or system intended to support or sustain life and/or health, which, if it fails, can be reasonably expected to result in significant personal injury or death.