| No. | parte # | Fabricante | Descripción | Hoja de Datos |
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National Semiconductor |
Keypad Controller n 8 x 8 standard keys n 8 special function keys (SF keys) providing a total of 72 keys for the maximum keyboard matrix n ACCESS.bus (I2C-compatible) communication interface to the host n Four general purpose host programmable I/O pins with two option |
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National Semiconductor |
RRIO/ High Output Current & Unlimited Cap Load Op Amp in MSOP (VS = 5V, TA = 25˚C, Typical values unless specified). n GBWP 21MHz n Wide supply voltage range 2.5V to 22V n Slew rate 12V/µs n Supply current/channel 1.15 mA n Cap load limit Unlimited n Output short circuit current +53mA/−75mA n +/−5% Settling tim |
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National Semiconductor |
Dual Audio Operational Amplifier j Wide dynamic range: j Low input noise > 140dB 4.5nV/√Hz 7 V/µs (typ); 5V/µs (min) 15MHz (typ); 10MHz (min) 120KHz 0.002% 0.3mV 60˚ voltage: j High slew rate: j High gain bandwidth: j Wide power bandwidth: j Low distortion: j Low offset voltage: j |
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National Semiconductor |
Switched Capacitor Voltage Converter (VS = 12V, TA = 25˚C, Typical values unless specified). n GBWP 15MHz n Wide supply voltage range 2.5V to 24V n Slew rate 15V/µs n Supply current/channel 0.95mA n Cap load tolerance Unlimited ± 130mA n Output short circuit current ± 65mA n Output curr |
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National Semiconductor |
LM831 Low Voltage Audio Power Amplifier Y Y Y Y Y Low voltage operation 1 8V to 6 0V High power 440 mW 8X BTL 3V Low AM radiation Low noise Low THD Applications Y Y Y Y Portable tape recorders Portable radios Headphone stereo Portable speakers Typical Application Dual Amplifier with Mi |
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National Semiconductor |
LM832 Dynamic Noise Reduction System DNR Y Y Y Y Y Y Y Y Y Low voltage battery operation Non-complementary noise reduction ‘‘single ended’’ Low cost external components no critical matching Compatible with all prerecorded tapes and FM 10 dB effective tape noise reduction CCIR ARM weighted |
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National Semiconductor |
Micropower Undervoltage Sensing Circuits a highly accurate voltage reference, a comparator with precise thresholds and built-in hysterisis to prevent erratic reset operation, and guaranteed Reset operation down to 1.0V with extremely low standby current. These devices are available in the s |
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National Semiconductor |
Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor Temperature sensing 7 positive voltage inputs 2 programmable fan speed monitoring inputs 10 mV LSB and 2.56V input range accepts outputs from linear temperature sensors such as the LM50 n Chassis Intrusion Detector input n n n n Applications n Syste |
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National Semiconductor |
3-Pin Microprocessor Reset Circuits Precise monitoring of 3V, 3.3V, and 5V supply voltages Superior upgrade to MAX809/810 Fully specified over temperature 140ms min. Power-On Reset pulse width, 240ms typical Active-low RESET Output (LM809) Active-high RESET Output (LM810) n Guaranteed |
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National Semiconductor |
3-Pin Microprocessor Reset Circuits Precise monitoring of 3V, 3.3V, and 5V supply voltages Superior upgrade to MAX809/810 Fully specified over temperature 140ms min. Power-On Reset pulse width, 240ms typical Active-low RESET Output (LM809) Active-high RESET Output (LM810) n Guaranteed |
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National Semiconductor |
Remote Diode and Local Digital Temperature Sensor with Two-Wire Interface n Accurately senses die temperature of remote ICs, or diode junctions Simplified Block Diagram DS101297-1 SMBus™ is a trademark of the Intel Corporation. Pentium II ® is a registered trademark of the Intel Corporation. I2C ® is a registered tradem |
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National Semiconductor |
Four Wire Resistive Touchscreen Controller with Brownout KEY FEATURES n Supports 4 wire resistive touch panels n Low power standby current typically less than 2 µA at 5.5V n Maximum speed of 500 coordinate pairs per second n Automatic wake up and return to standby n 10 bit A/D n On-chip touch screen curren |
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National Semiconductor |
Four Wire Resistive Touchscreen Controller KEY FEATURES n Supports 4 wire resistive touch panels n Low power standby current typically less than 2 µA at 5.5V n Maximum speed of 500 coordinate pairs per second n Automatic wake up and return to standby n 10 bit A/D n On-chip touch screen curren |
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National Semiconductor |
Hardware Monitor n 2-wire, SMBus 2.0 compliant, serial digital interface n 8-bit Σ∆ ADC n Monitors VCCP, 2.5V, 3.3 VSBY, 5.0V, and 12V motherboard/processor supplies n Monitors 2 remote thermal diodes n Programmable autonomous fan control based on temperature reading |
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National Semiconductor |
Serial Interface System Hardware Monitor n Remote diode temperature sensing (2 channels) n 8 positive voltage inputs with scaling resistors for monitoring +5 V, +12 V, +3.3 V, +2.5 V, Vccp power supplies directly Ordering Information Temperature Range −40 ˚C ≤ TA ≤ +125 ˚C Order Number LM8 |
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National Semiconductor |
600 mA Synchronous Step-Down DC-DC Converter ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Over 90% efficiency at 6 MHz Operation 600 mA maximum load capability 6 MHz PWM fixed switching frequency (typ.) 27 µA (typ.) quiescent current in PFM mode Wide Input Voltage Range: 2.3V to 5.5V ±1.5% DC output voltage precisi |
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National Semiconductor |
Serial Interface ACPI-Compatible Microprocessor System n Temperature sensing n 6 positive voltage inputs with scaling resistors for monitoring +5V, +12V, +3.3V, +2.5V, Vccp power supplies directly n 8-bit DAC output for controlling fan speed Applications n System Thermal and Hardware Monitoring for Serv |
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National Semiconductor |
RRIO/ High Output Current & Unlimited Cap Load Op Amp in SOT23-5 (VS = 5V, TA = 25˚C, Typical values unless specified). n GBWP 21MHz n Wide supply voltage range 2.5V to 30V n Slew rate 12V/µs n Supply current 0.97 mA n Cap load limit Unlimited n Output short circuit current +53mA/−75mA n +/−5% Settling time 400ns |
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National Semiconductor |
Triple-Diode Input and Local Digital Temperature Sensor with Two-Wire Interface n Accurately senses die temperature of 3 remote ICs, or diode junctions Simplified Block Diagram DS101058-1 SMBus™ is a trademark of the Intel Corporation. Pentium II ® is a registered trademark of the Intel Corporation. I2C ® is a registered trad |
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National Semiconductor |
Micropower Undervoltage Sensing Circuits a highly accurate voltage reference, a comparator with precise thresholds and built-in hysterisis to prevent erratic reset operation, a time delayed output which can be programmed by the system designer, and guaranteed Reset operation down to 1.0V wi |
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Desde 2024. D4U Semiconductor.
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