Texas Instruments RD-195 DC Arc Detection Reference Design Solution SM73201-ARC-EV/NOPB SM73201-ARC-EV/NOPB Scheda Tecnica
Codici prodotto
SM73201-ARC-EV/NOPB
Vref
Vdig
Vana
Controller
Vana
Vref
ADC
Filtering
UART
& I/O
16Bit /250KSPS
FFT (DSP)
Impedance
Clamping
Match &
Gain & Filtering
Array
PV
String
1:100
SNOSB89B – JUNE 2011 – REVISED JUNE 2013
SM73201 16-Bit, 50 to 250 kSPS, Differential Input, MicroPower ADC
Check for Samples:
1
FEATURES
DESCRIPTION
The SM73201 is a 16-bit successive-approximation
234
•
Renewable Energy Grade
register (SAR) Analog-to-Digital converter (ADC) with
•
Specified Performance from 50 to 250 kSPS
a maximum sampling rate of 250 kSPS. The
•
Separate Digital Input/Output Supply
converter features a differential analog input with an
excellent common-mode signal rejection ratio of 85
excellent common-mode signal rejection ratio of 85
•
True Differential Input
dB,
making
the
SM73201
suitable
for
noisy
•
External Voltage Reference Range of +0.5V to
environments.
V
A
The SM73201 operates with a single analog supply
•
Wide Input Common-Mode Voltage Range of
(V
A
) and a separate digital input/output (V
IO
) supply.
0V to V
A
V
A
can range from +4.5V to +5.5V and V
IO
can range
•
SPI™/ QSPI™/MICROWIRE Compatible Serial
from +2.7V to +5.5V. This allows a system designer
Interface
to
maximize
performance
and
minimize
power
consumption by operating the analog portion of the
•
Operating Temperature Range of
−
40°C to
ADC at a V
A
of +5V while interfacing with a +3.3V
+85°C
controller. The serial data output is binary 2's
•
Small VSSOP-10 Package
complement and is SPI compatible.
The performance of the SM73201 is specified over
APPLICATIONS
temperature at clock rates of 1 MHz to 5 MHz and
•
PV DC Arc Detect System
reference voltages of +2.5V to +5.5V. The SM73201
•
I/O Modules
is available in a small 10-lead VSSOP package. The
high
high
accuracy,
differential
input,
low
power
•
Solar Data Acquisition
consumption, and small size make the SM73201
•
Instrumentation and Control Systems
ideal for direct connection to bridge sensors and
transducers in battery operated systems or remote
transducers in battery operated systems or remote
KEY SPECIFICATIONS
data acquisition applications.
•
Conversion Rate: 50 kSPS to 250 kSPS
•
SNR: 93.2 dBc
•
SFDR: 108 dBc
•
THD:
−
104 dBc
•
Power Consumption
–
200 kSPS, 5V: 5.3 mW
–
250 kSPS, 5V: 5.8 mW
–
Power-Down, 5V: 10
μ
W
Typical Application
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
QSPI is a trademark of Motorola Incorporated.
3
SPI is a trademark of Motorola, Incorporated.
4
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2011–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.