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NI myDAQ User Guide
Texas Instruments Components in NI myDAQ
Integrated circuits supplied by Texas Instruments form the power and analog I/O subsystems of
NI myDAQ. Figure 2 depicts the arrangement and function of the NI myDAQ subsystems.
Table 5 lists all of the Texas Instruments components used in NI myDAQ. Visit
www.ti.com
to see the specifications documents for each of the components in the design.
Table 5.
Texas Instruments Components in NI myDAQ
Texas Instruments
Integrated Circuit
(IC)
Part Number
Description
Current-Limited
Power Distribution
Switch
TPS2553
This is used for applications where precision current
limiting is required or heavy capacitive loads and short
circuits are encountered.
Regulator
TPS61170
This is a monolithic high-voltage boost regulator with
an integrated 1.2 A, 40 V power MOSFET.
Regulator
TPS62007
The TPS6200
x
devices are a family of low-noise
synchronous step-down DC-DC converter that is
ideally suited for systems powered from a one-cell
Li-ion battery or from a two- to three-cell NiCd,
NiMH, or alkaline battery.
Regulator
TPS62003
LDO Regulator
TPS71501
These are low-dropout (LDO) voltage regulators,
offering the benefits of low noise, low-dropout
voltage, low-power operation, and miniaturized
packages.
LDO Regulator
TPS76433
Digital Isolator
ISO7241A
This is a quad-channel digital isolator with multiple
channel configurations and output enable functions.
Shift Register
SN74AHC595
This device contains an 8-bit serial-in, parallel-out
shift register that feeds an 8-bit D-type storage register.
Switch
TS5A3159
This is a single-pole double-throw (SPDT) analog
switch designed to operate from 1.65 V to 5.5 V.
Operational Amplifier
OPA171
This is a single-supply, low-noise operational
amplifier.
Operational Amplifier
TL062C
This JFET operational amplifier features high input
impedance, wide bandwidth, high slew rate, low input
offset, and input bias currents.
ADC
ADS8319
This is a 16-bit, 500-kS/s analog-to-digital converter.
DAC
DAC8551
This is a small, low-power, voltage output, 16-bit
digital-to-analog converter (DAC).
Reference
REF3025
This is a precision, low power, low voltage dropout
voltage reference available in a small SOT23-3.