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Intersil's Solutions for Handheld Applications
The increased demand for portable electronics in industrial markets
is being driven by the increased productivity that comes with a
connected, mobile workforce. Real-world needs such as smaller
form factors, improved performance, and longer battery life present
ongoing challenges to portable electronics manufacturers. Intersil's
products address these needs by delivering, high accuracy, low noise,
low-power performance in products with amazingly small package
sizes that enhance system performance and extend battery life.
Featured Products
ISL80121
1A Ultra low dropout, high accuracy LDO with programmable current limit and programmable soft start
For noise sensitive loads, the ISL80121 provides an ideal power
solution with its ultra low dropout voltage and high accuracy. In a tiny
package of 10 Ld 3x3mm DFN, the ISL80121 provides features of
a switching regulator like remote sensing, high accuracy, adjustable
soft-start and power good with the usual benefits of an LDO. The
ISL80121 comes with a high accuracy current limit programmable
up to 1.75A.
More Info 
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ISL80121 |
Key Features
- ±1.8% VOUT Accuracy Guaranteed Over Line, Load and TJ = -40°C to +125°C
- Ultra Low 90mV Dropout Voltage at 1A ( typ.)
- High Accuracy Current Limit Programmable up to 1.75A
- Very Fast Transient Response
- Power-Good and Enable
- Programmable Soft-Start
- Over-Temperature Protection
- Small 10 Ld DFN Package
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ISL9230
Fully integrated 1.5A Linear Lithium Ion/Polymer Charger with 40mΩ Power Path FET for Single Cell Batteries
The life of rechargeable lithium batteries can be shortened by
prolonged charging. So it is important to disconnect the charge path
after the battery is fully charged. This can be done with conventional
charging IC's by turning off the input path and allowing the system
to run from the battery. However, the battery can lose 10% or
more charge during this time. When the user unplugs the adapter
and tries to use the device, the user may find they have to restart
charging sooner than expected.
More Info
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ISL9230 |
Key Features
- Dynamic Power Path Management
- Internal 40mΩ Power Path FET
- 1.5A Charge, 4.5A Discharge Ratings
- Intelligent Timeout Interval Based on Actual Charge Current
- Low rDS(on) Battery FET
- Programmable Input Current Limit
- Programmable Charge Current Limit
- Battery and Short Circuit Detection
- Two Status Pins
- NTC Thermistor Input
- Both Thermal Foldback and Thermal Shutdown
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ISL28194
Ultra -Small, 330nA Nano-Power, Single Supply, Rail-to-Rail Input/Output (RRIO)
Op Amps
The ISL28194 is a micropower op amp optimized for micro-power
applications. The ISL28194 is designed for single-supply operation
from 1.8V to 5.5V making them suitable for applications with two
1.5V alkaline batteries. The ISL28194 consumes typically 330nA of
supply current and features rail-to-rail input and output swing (RRIO),
allowing for maximum battery usage. The combination of small
footprint, low power, single supply, and rail-to-rail operation make
them ideally suited for all battery operated devices.
More Info
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ISL28194 |
Key Features
- Typical Supply Current 330nA
- Single-Supply Operation Down to +1.8V
- Rail-to-Rail Input/Output Voltage Range (RRIO)
- Maximum 2mV Offset Voltage
- Maximum 60pA Input Bias Current
- 3.5kHz Gain Bandwidth Product
- ENABLE Pin Feature
- -40°C to +125°C Operation
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EL8170, EL8172
Micropower, Single Supply, Rail-to-Rail Input-Output Instrumentation Amplifiers
The EL8170 and EL8172 are micropower instrumentation
amplifiers optimized for single supply operation over the +2.4V to
+5.5V range. Inputs and outputs can operate rail-to-rail. As with
all instrumentation amplifiers, a pair of inputs provide very high
common-mode rejection and are completely independent from the
two feedback terminals.
More Info
Key Features
- 95µA Maximum Supply Current
- Maximum Input Offset Voltage
- 200µV (EL8170)
- 300µV (EL8172)
- 50pA Maximum Input Bias Current (EL8172)
- > 170kHz -3dB Bandwidth (G = 100)
- Single Supply Operation
- Input Voltage Range is Rail-to-Rail
- Output Swings Rail-to-Rail
- Ground Sensing
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ISL28005, ISL28006
28V Micro -power, Precision High Side and Low Side Current Sense Amplifiers
Intersil's ISL28006 and ISL28005 families of integrated current
shunt sense amplifiers with integrated gain options and adjustable
gain for precision and low cost.
More Info
Key Features
- 50μA Typical Supply Current
- Supply Independent of Input
- 2.7V to 28V Supply
- 0V to 28V VCM
- Max. 250μV Input VOS (ISL28006)
- -40°C to +125°C Operation
- Gain Accuracy Max (ISL28006):
- 0.5% @ 25°C
- 1% @ -40°C to +125°C
- Four Gain Options
- 20V/V, 50V/V, 100V/V, & ADJ
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ISL21080
NanoPower, Low Cost, Voltage Reference
The ISL21080 analog voltage references feature low supply voltage operation at ultra-low 310nA typ, 1.5μA max operating current. Additionally,
the ISL21080 family features guaranteed initial accuracy as low as ±0.2% and 50ppm/°C temperature coefficient. These references are ideal
for general purpose portable applications to extend battery life at lower cost.
The ISL21080 output voltages can be used as precision voltage sources for voltage monitors, control loops, standby voltages for low power
states for DSP, FPGA, Datapath Controllers, microcontrollers, etc.
More Info
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ISL21080 |
Key Features
- Reference Output Voltage: 0.900V, 1.024V, 1.250V, 1.500V, 2.048V, 2.500V, 3.000V, 3.300V, 4.096V, 5.000V
- Initial Accuracy: Low as ±0.2%
- Input Voltage Ranges: 2.0V to 8.0V
- Output Voltage Noise :30μVP-P (0.1Hz to 10Hz)
- Supply Current: 1.5μA (Max)
- Tempco: 50ppm/°C
- Output Current Capability: ±7mA
- Operating Temperature Range: -40°C to +85°C
- Package: 3 Ld SOT-23
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ISL29028A
Low Power ALS & Proximity Sensor with Intelligent Interrupt and Sleep Modes
The ISL29028A is an integrated ambient and infrared light-to-digital converter with a built-in IR LED driver and I2C Interface (SMBus Compatible). This device uses two independent ADCs for concurrently measuring ambient light and proximity in parallel. The flexible interrupt scheme is designed for minimal microcontroller utilization.
More Info
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ISL29028A |
Key Features
- Works Under All Light Sources
- Dual ADC Architecture
- Proximity Sensing
- 850nm and 940nm LED Compatible
- Ambient IR Noise Cancellation
- Intelligent and Flexible Interrupts
- Independent ALS/Prox Interrupt Thresholds
- Selectable Persist control
- Ambient Light Sensing
- Ideal Light Sensor Response
- Ultra Low Power
- 138μA (Typ) Including IR LED Current
- Easy to Use
- Set Registers; Wait for Interrupt
- I2C (SMBus Compatible) Output
- Small Package - 2.0x2.1x0.7
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ISL29023
Integrated Digital Ambient Light Sensor with Interrupt Function
The ISL29023 is an integrated ambient and infrared light to
digital converter with
I2C (SMBus Compatible) Interface. Its
advanced self-calibrated photodiode array emulates human
eye response with excellent IR rejection. The on-chip ADC is
capable of rejecting 50Hz and 60Hz flicker caused by artificial
light sources. The lux range select feature allows users to
program the lux range for optimized counts/lux.
More Info
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ISL29023 |
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ISL23315, ISL23415
World's Lowest Voltage DCP
The ISL23315 and ISL23415 are volatile, low voltage, low noise, low power, 256 Taps, single digitally controlled potentiometers (DCP),
which integrate DCP core, wiper switches and control logic on
a monolithic CMOS integrated circuit.
More Info
Key Parameters & Features
- Low Operating Current = 2.5μA
- I2C/SPI Voltage= 1.2V to 5.5V
- VCC = 1.7V to 5.5V
- S/D/Q, Volatile, I2C or SPI
- 10kΩ, 50kΩ, 100kΩ
- 125°C Operation
- Integrated Level Translator
- Direct Communication with Low Voltage μC
- Use with Battery & Operate Down to 1.7V
- Daisy Chain Capability with SPI
- Two Address Pins Allow Up to Four Devices Per I2C Bus
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ISL12020M, ISL12022M
Tiny RTC Module with Embedded Crystal and Temperature Sensor Achieves Better Than ±5.0ppm Accuracy
Tiny Real Time Clock (RTC) module with embedded crystal and
temperature compensation circuitry achieves better than ±5.0ppm
accuracy over the entire industrial temperature range (-40°C to
+85°C). Intersil is the first to offer an RTC module in a DFN package.
This makes this module very attractive for handheld and portable
applications that have stringent space requirements.
More Info
Key Features
- ISL12020M: World's Smallest 3-in-1 RTC Module
- RTC + crystal + temperature sensor
- Available in DFN package
- Better Than ±5.0ppm Accuracy for Industrial Temperature Range
- Factory programmed for optimal accuracy
- Battery Reseal™ Function Extends Battery Shelf Life
- ISL12022M: Low-cost SOIC Package
- Industrial: Utility meters, POS, instruments
- Consumer: GPS handhelds, cameras, copiers
- Stand-alone RTC with Temperature Sensor Also Available (ISL12022, ISL12023)
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