Analog and Power for MSP430

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Introduction

This page serves as a repository of complimentary devices that can be paired with the MSP430™; devices when integrating the device into a system. The complementary products listed here serve a wide range of functions such as:

  • Providing basic support functions for the MSP430™ (power, data conversion, etc.)
  • Expanding the interface options beyond the on-chip peripherals
  • Creating the link between the digital domains on the MSP430™ to the system's analog/physical domains

The complementary products are organized into functional categories, with the goal of showing several options and their respective benefits.


Complementary Products


Power Management

View the Power Management Guide for a comprehensive selection of complementary power management products or also visit [www.power.ti.com power.ti.com] for samples, evaluation boards and reference designs.

Part Number Description Regulator Type Details
TPS78233
Single Fixed Output LDO, 150mA
Linear
  • 1µA Quiescent Current
  • Low-Dropout at +25°C, 130mV at 150mA
  • Stable with a 1.0µF Ceramic Capacitor
TPS780330220
Single 150mA Output, Pin-Selectable Dual Voltage Level
Linear
  • VSET Pin Toggles Output Voltage Between 3.3V or 2.2V
  • 500nA Quiescent Current
  • Low Dropout: 200mV at 150mA
TPS62237
94% Efficiency, 500mA Converter in 1 x 1.5mm SON Package
Step-Down DC-DC Converter
  • Excellent AC and Transient Load Regulation
  • High PSRR (up to 90dB)
  • Optimized Power Save Mode For Low Output Ripple Voltage
  • 12 mm2 Solution Size and 0.6 mm Maximum Solution Height
TPS62203
3.3-V Output, 300-mA, 95% Efficient Converter in SOT-23
Step-Down DC-DC Converter
  • Power Save Mode
  • 15 µA Typical Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
TPS61221 Low Input Voltage Converter (0.7V) with 5.5μA Quiescent Current
Boost DC-DC Converter
  • Up to 95% Efficiency at Typical Operating Conditions
  • Pass-Through Function during Shutdown
  • Protections: Overvoltage, Overtemperature, Undervoltage Lockout
TPS61097-33 0.9VIN Converter with Bypass Switch - 5nA Shutdown Current
Boost DC-DC Converter
  • Up to 95% Efficiency at Typical Operating Conditions
  • Connects Battery to Load via Bypass Switch in Shutdown Mode
  • Typical Quiescent Current Less Than 5 µA
TPS62111 1.5-A, 17-V VIN Converter in QFN-16
Step-Down DC-DC Converter
  • Up to 95% Efficiency at Typical Operating Conditions
  • Synchronizable to External Clock Signal up to 1.4 MHz
  • 100% Maximum Duty Cycle for Lowest Dropout
TPS63031 96% Efficiency Converter with 1-A Switches in QFN-10
Buck-Boost DC-DC Converter
  • Automatic Transition between Step-Down and Boost Mode
  • Load Disconnect During Shutdown
  • Up to 500-mA Output Current at 3.3V in Boost Mode (VIN > 2.4V)
  • Synchronization Possible

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Amplifiers

Part Number Description Characteristic/Type Details
OPA369
700nA, Zero-Crossover Rail-To-Rail I/O Operational Amplifier
Slow Mode
  • 1.4µA max. Quiescent Current
  • Low Offset Voltage: 250µV
  • Low Offset Drift: 0.4µV/°C
OPA349
1µA, Rail-to-Rail, CMOS Operational Amplifiers
Slow Mode
  • Low Supply Current: 1 µA
  • Gain-Bandwidth: 70 kHz
  • Low Input Bias Current: 10pA (max)
OPA379
2.9µA, 90 kHz Rail-to-Rail I/O Operational Amplifier
Slow Mode
  • Low Noise: 2.8µVPP (0.1Hz - 10Hz)
  • microPower: 5.5µA (max)
  • Low Offset Voltage: 1.5mV (max)
OPA333
17µA, 2µV, microPOWER Zero-Drift Operational Amplifier
Slow Mode
  • Low Offset Voltage: 10µV (max)
  • Zero Drift: 0.05µV/°C (max)
  • 0.01Hz to 10Hz NOISE: 1.1µVPP
TLV276x
Micro-power, Rail-to-Rail, Single Supply Amplifier with Shutdown
Slow Mode
  • Ultralow Power Shut-Down Mode: IDD(SHDN) = 10 nA/Channel
  • Input Common-Mode Voltage Range: –0.2 V to VDD + 0.2 V
  • Input Offset Voltage: 550µV
PGA11x
Zero-Drift, Programmable Gain Amplifier with MUX
Programmable Gain
  • Offset: 25µV (typ), 100µV (max)
  • Zerø-Drift: 0.35µV/°C (typ), 1.2µV/°C (max)
  • Low Noise: 12nV/√Hz
PGA280
Zero Drift, High Voltage Programmable Gain Amplifier
Programmable Gain
  • Wide Input Range: ±15.5V at ±18V Supply
  • Additional Scaling Factor: 1V/V and 1⅜V/V
  • Low Offset Voltage: 3µV at G = 128
OPA378
Low-Noise, 900 kHz, Rail-to-Rail, Zerø-Drift Series, Precision Amplifier
Medium Mode
  • 0.4µVPP, 0.1Hz to 10Hz
  • 20nV/√Hz at 1kHz
  • Low Offset Voltage: 20µV
  • Low Offset Drift: 0.1µV/°C
OPA334
0.05µV/°C max, Single-Supply CMOS Amplifier
Fast Mode
  • Low Offset Voltage: 5µV (max)
  • Zero Drift: 0.05µV/°C (max)
  • Quiescent Current: 285µA
OPA376
Precision, Low Noise, Low Iq Amplifier
Fast Mode
  • Low Noise: 7.5nV/√Hz at 1kHz
  • VIO (25 °C)(Max): 25µV
  • Slew Rate (Typ.): 2V/µs
OPA363/4
High CMR, Rail-to-Rail Amplifier with Shutdown
Fast Mode
  • Common Mode Rejection Ratio: 90dB (Typ.)
  • Gain Bandwidth: 7MHz
  • Slew Rate (Typ.): 7V/µs
TLV278x
Single Rail-to-Rail, 8MHz Amplifier with Shutdown
Fast Mode
  • Shut Down Current per channel: IDD(SHDN) = 0.9µA (Typ.)
  • Input Noise Voltage: 9nV/√Hz at 10 kHz
  • Slew Rate (Typ.): 4.8V/µs
INA321
Micropower single-supply CMOS Instrumentation Amplifier
Instrumentation
  • Low Quiescent Current: 40µA/channel Shut Down: < 1µA
  • High Gain Accuracy: G = 5, 0.02%, 2ppm/°C
  • Common Mode Rejection Ratio: 94dB
INA322
Micropower single-supply CMOS Instrumentation Amplifier
Instrumentation
  • Low Quiescent Current: 40µA/channel Shut Down: < 1µA
  • High Gain Accuracy: G = 5, 0.07%, 2ppm/°C
  • Low Bias Current: 10pA
INA331
Micropower single-supply CMOS Instrumentation Amplifier
Instrumentation
  • Common Mode Rejection Ratio: 90dB (min.)
  • High Gain Accuracy: G = 5, 0.02%, 2ppm/°C
  • Bandwidth at G = 100(min.): 2MHz
INA332
Low-Power, Single Supply, Low Cost, Instrumentation Amplifier
Instrumentation
  • Bandwidth Slew Rate: 2.0MHz, 5V/µs
  • Settling Time to 0.01% (Typ.): 2.5µs
  • Input Bias Current: 10pA (max)
INA333
Low Power, Precision Instrumentation Amplifier
Instrumentation
  • Common Mode Rejection Ratio: 100dB (min.)
  • Low Drift: 0.1µV/°C, G ≥ 100
  • Low Noise: 50nV/√Hz, G ≥ 100

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Analog-to-Digital Converters

Part Number Description Conversion Type Details
ADS8318
16-Bit, Unipolar Diff Input, 500kSPS Serial Out, Micro Power Sampling ADC
SAR
  • 95.2dB SNR Typ at 10-kHz I/P
  • -108dB THD Typ at 10-kHz I/P
  • ±1.0 LSB Max INL
ADS8326
16-Bit, Pseudo Diff Input, 250kSPS Serial Out, Micro Power Sampling ADC
SAR
  • 16 Bits No Missing Codes (Full-Supply Range)
  • Very Low Noise: 3LSBPP
  • microPower: 4mW at 2.7V, 200 kHz
ADS7886/7/8
12 bit, 1MSPS, Serial ADC
SAR
  • INL ±1.25 LSB Maximum, ±0.65 LSB (Typical)
  • Auto Power-Down
  • Power Down Current: 1 µA
ADS7866/7/8
12 Bit 200kSPS, Serial ADC
SAR
  • 71 dB SNR, –83 dB THD at fIN = 30 kHz (ADS7866)
  • Auto Power-Down: 8 nA Typ., 300 nA Max
  • SPI Compatible Serial Interface
ADS7924
12-bit, 4-ch MUX input ADC with Intelligent System Power Control
SAR
  • Low-Power Core: 660µW at 17kSPS
  • Auto-Sequencing, 4-Channel Multiplexer
  • Individual Alarm Threshold for Each Channel
ADS1246/47/48
Low Noise, Precision 24-Bit Analog to Digital Converter
Delta Sigma
  • 24 Bits, No Missing Codes
  • Data Output Rates Up to 2kSPS
  • Low-Noise PGA: 48nV at PGA = 128
ADS1113/14/15
16-Bit ADC with Integrated MUX, PGA, Comparator, Oscillator, and Reference
Delta Sigma
  • Ultra-Small QFN PACKAGE: 2mm × 1,5mm × 0,4mm
  • Low Current Consumption: Continuous Mode: Only 150µA
  • Programmable Data Rate: 8SPS to 860SPS
ADS1013/14/15
12-Bit ADC with Integrated Oscillator, and Reference
Delta Sigma
  • Ultra-Small QFN PACKAGE: 2mm × 1,5mm × 0,4mm
  • Low Current Consumption: Continuous Mode: Only 150µA
  • Programmable Data Rate: 128SPS to 3.3kSPS

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Digital-to-Analog Converters

Part Number Description Interface Details
DAC8x11
Tiny, Low-power 8 to 16-bit DACs with wide supply and temp ranges
Serial SPI
  • <100µA per channel
  • ±1 LSB INL
  • 5µS settling time
  • SC70 Package
DAC7552
Small low power, low glitch 12-bit DAC
Serial SPI
  • ±1 LSB INL (max)
  • Glitch Energy: 0.1nVs
  • 200µA per channel
  • 5µS settling time
DAC8830
Low power, high speed 16-bit DAC
Serial SPI
  • Very Low Power: 15 µW for 3 V
  • Fast Settling: 1 µs Max
  • Low Noise: 10 nV/√Hz*
  • Gain Drift: ±0.1 ppm/°C

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References

Part Number Description Details
REF32xx
4ppm/°C, 100µA SOT23-6 Series (Bandgap) Voltage Reference
  • Drift Performance: 7ppm/°C (max) at 0°C to +125°C
  • Output Current: ±10mA
  • High Accuracy: 0.01%
REF31xx
20ppm/°C Max, 100µA, SOT23-3 Series Voltage Reference
  • Drift Performance: 15ppm/°C (max) at 0°C to +70°C
  • Output Current: ±10mA
  • High Accuracy: 0.2%
REF33xx
30ppm/°C Drift, 3.9µA, SOT23-3, SC70-3 Voltage Reference
  • Low Supply Current: 3.9µA (typ)
  • Low Temperature Drift: 30ppm/°C (max)
  • High Initial Accuracy: ±0.15% (max)

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Interface Products

Part Number Description Type Details
TCA64xx
Low-Voltage 8-Bit Expander with Interrupt Output and Reset
I/O Expander
  • Allows Bidirectional Voltage-Level Translation and GPIO Expansion
  • I2C and SMBus Interface
  • Input/Output Configuration Register
TCA953x
Remote 16-Bit, Low-Power Expander with Interrupt Output
I/O Expander
  • Latch-Up Performance Exceeds 100mA Per JESD 78, Class II
  • I2C and SMBus Interface
  • Polarity Inversion Register
TRS3227E
3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver
Line Driver
  • Meets or Exceeds Requirements of TIA/EIA-232-F and ITU v.28 Standards
  • Operates at Least 1 Mbit/s
  • Low Standby Current: 1 µA (Typ.)
TSC2004
Nano-Power Touch Screen Controller with I2C Serial Interface
Touch Screen Control
  • SAR ADC Resolution: 12 Bits
  • Pre-processing to Reduce Bus Activity
  • Auto Power-Down Control
TSC2006
Nano-Power Touch Screen Controller with SPI Serial Interface
Touch Screen Control
  • Noise Averaging and Zone Detection Processing
  • Low Power: 707µW at 1.8V, 50SSPS
  • Enhanced ESD Protection
TSC2007
Nano-Power Touch Screen Controller with I2C Serial Interface
Touch Screen Control
  • Low Power: 53.3µA at 2.7V, Fast Mode, 8.2 kHz Eq Rate
  • Effective Throughput Rate: Up to 20 kHz (8-Bit) or 10 kHz (12-Bit)
  • On-Chip, Programmable PENIRQ Pull-Up (Digitally Buffered)

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Temperature Sensors

Part Number Description Type Details
TMP75
Digital Temperature Sensor with 2-Wire Interface
Local
  • 27 Addresses (TMP175), 8 Addresses (TMP75)
  • Resolution: 9- to 12-Bits, User-Selectable
  • Accuracy: ±0.5°C (max) from –25°C to +85°C
TMP102
Low Power Digital Temperature Sensor with SMBus/I2 Interface
Local
  • Resolution: 12 Bits
  • Accuracy Over Temp Range (max): 2°C
  • Low Quiescent Current: 1µA Shutdown (max)
TMP112
High-Precision, Low-Power, Digital Temperature Sensor with I2 Interface
Local
  • Resolution: 12 Bits
  • Accuracy Over Temp Range (max): 1°C
  • Low Quiescent Current: 1µA Shutdown (max)
TMP121
1.5°C Accurate Digital Temperature Sensor with SPI Interface
Local
  • Resolution: 12 Bits + Sign, 0.0625°C
  • Accuracy: ±1.5°C from –25°C to +85°C (max)
  • Operation to 150°C
TMP421/22
+/-1°C Temperature Sensor in SOT23-8
Remote + Local
  • Series Resistance Cancellation
  • N-Factor Correction
  • 2-Wire/SMBus™ Serial Interface
TMP441/42
Temperature Sensor with Automatic Beta Compensation, Series-R, and N-Factor
Remote + Local
  • ±1°C (max) Remote Diode and Local Temperature Sensor
  • N-Factor Correction
  • 2-Wire/SMBus™ Serial Interface
TMP411
Sensor with N-Factor and Series Resistance Correction
Remote + Local
  • Dedicated ALERT/THERM pins
  • Programmable Resolution: 9 to 12 Bits
  • 2-Wire/SMBus™ Serial Interface
TMP431/32
Sensor with Beta, N-Factor and Series-Resistance Correction
Remote + Local
  • Dedicated ALERT/THERM pins
  • Minimum and Maximum Temperature Monitors
  • 2-Wire/SMBus™ Serial Interface

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Low Power Wireless

Part Number Description Technology Details
CC2500
Low Cost, Low-Power RF Transceiver with easy SPI Interface
2.4-GHz
  • High Sensitivity: -104dBm at 2.4kBaud, 1% packet error
  • Low Power Down Mode: 0.4µA
  • OOK, 2-FSK, GFSK, and MSK supported
CC2550
Low Cost RF Transmitter with easy SPI Interface
2.4-GHz
  • Programmable output power up to +1 dBm
  • Programmable data rate from 1.2 to 500kBaud
  • 200nA SLEEP mode curent consumption
CC259x
RF Front End/Range Extender
2.4-GHz
  • Up to +14-dBm (25mW) Output Power
  • Digital Control of LNA Gain by HGM Pin
  • 100nA in Power Down (EN = PAEN = 0)
CC1101
Low-Power RF Transceiver with easy SPI Interface
Sub 1-GHz
  • Suitable for frequency hopping due to fast settling time (75µs)
  • Frequency bands: 300-348 MHz, 387-464 MHz, 779-928 MHz
  • High sensitivity: –116dBm at 0.6kBaud, 1% packet error rate
CC1150
Highly Integrated Multichannel RF Transmitter with SPI Interface
Sub 1-GHz
  • Suitable for frequency hopping due to a fast settling frequency synthesizer
  • Frequency bands: 300-348 MHz, 400-464 MHz and 800-928 MHz
  • Programmable output power up to +10dBm
CC2530/1
Second Generation System-on-Chip Solution
for IEEE 802.15.4 / RF4CE / ZigBee
SoC
  • High-Performance and Low-Power 8051 Microcontroller Core
  • Programmable Output Power Up to 4.5dBm
  • Power Mode 3 (External Interrupts): 0.4µA
CC2520
Second generation 2.4 GHz ZigBee/IEEE 802.15.4 RF transceiver
ZigBee & IEEE802.15.4
  • Adjacent channel rejection: 49dB, Alternate channel rejection: 54dB
  • Excellent link budget (103dB), 400m Line-of-sight range
  • Extensive IEEE 802.15.4 MAC hardware support

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Reference Designs

Power Management Solutions for Ultra-Low-Power 16-bit MSP430™ MCUs can also be found under the dedicated web page "Power for Processors"

Title File Name/Size Date
Low Input Voltage
0.7V – 3.3V Input, High-Efficiency DCDC Converter Reference Design for MSP430
slva336.pdf, 178kB
June 2009
0.9V – 3.2V Input, High-Efficiency Boost Converter with Ultra-Low Shutdown Current design for MSP430
slva380.pdf, 107kB
Nov 6 2009
High Input Voltage
4.5V – 17V Input, High-Efficiency DCDC Converter Reference Design for MSP430
slva335.pdf, 172kB
June 2009
Wide Input Voltage
1.8V – 5.5V Input, High-Efficiency DCDC Converter Reference Design for MSP430
slva334a.pdf, 947kB
Mar 2010
5V Input
3.6V – 6.0V Input, Tiny DCDC Converter Reference Design for MSP430
slva332.pdf, 479kB
May 2009
3.6V – 5.5V Input, High-Efficiency DCDC Converter Reference Design for MSP430
slva327.pdf, 585kB
May 2009
3.6V – 5.5V Input, LDO Reference Design for MSP430
slva328.pdf, 117kB
May 2009
3.6V – 5.5V Input, LDO with Dual-Level Output Reference Design for MSP430
slva329.pdf, 209kB
May 2009

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