National Manuals

National LMX2346/LMX2347 handbook

The LMX2346/LMX2347 are frequency synthesizers produced by National Semiconductor Corporation. Their working frequencies are 2.0GHz and 2.5GHz, and they support 2.7V to 5.5V voltage. They are manufactured using National's 0.5µ ABiC V silicon BiCMOS process and are available in 16-pin TSSOP and 16-pin CSP packages.

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National LMX2335U/LMX2336U handbook

The LMX2335U/LMX2336U PLLatinum™ is an ultra low power dual frequency synthesizer for RF personal communications. LMX2335U is 1.2 GHz/1.2 GHz, LMX2336U is 2.0 GHz/1.2 GHz. These two devices are high performance frequency synthesizers with integrated dual modulus prescalers. The LMX2335U/LMX2336U devices are designed for use in applications requiring two RF phase-locked loops. A 64/65 or a 128/129 prescale ratio can be selected for each RF synthesizer. Using a proprietary digital phase locked loop technique, the LMX2335U/LMX2336U devices generate very stable, low noise control signals for the RF voltage controlled oscillators. Both RF synthesizers include two-level programmable charge pump. The RF1 synthesizera has dedicated Fastlock circuitry. Serial data is transferred to the devices via a three wire interface (Data, LE, Clock). Supply voltages from 2.7V to 5.5V are supported. The LMX2335U and the LMX2336U feature very low current consumption: LMX2335U (1.2 GHz)– 3.0 mA, LMX2336U (2.0 GHz)– 3.5 mA at 3.0V. The LMX2335U device is available in 16-pin TSSOP, and 16-pin Chip Scale Package (CSP) surface mount plastic packages. The LMX2336U device is available in 20-Pin TSSOP, 24-Pin CSP, and 20-Pin UTCSP surface mount plastic packages.

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National LMX2330L/LMX2331L/LMX2332L handbook

LMX2330L/LMX2331L/LMX2332L are a series of low power dual frequency synthesizers, suitable for RF personal communications. LMX2330L's RF frequency is 2.5 GHz, IF frequency is 510 MHz; LMX2331L's RF frequency is 2.0 GHz, IF frequency is 510 MHz; LMX2332L's RF frequency is 1.2 GHz, IF frequency is 510 MHz. The series of synthesizers use digital phase locked loop technology, combined with a high quality reference oscillator, provide the tuning voltages for voltage controlled oscillators to generate stable, low noise signals for RF and IF local oscillators. Serial data is transferred into the LMX233XL via a three wire interface (Data, Enable, Clock). Supply voltage ranges from 2.7V to 5.5V. The series of synthesizers has very low power consumption; LMX2330L - 5.0 mA at 3V; LMX2331L - 4.0 mA at 3V; LMX2332L - 3.0 mA at 3V. LMX233XL offers TSSOP 20-pin and CSP 24-pin surface mount plastic packages.

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National LMX2330A/LMX2331A/LMX2332A handbook

LMX2330A/LMX2331A/LMX2332A PLLatinum™ Dual Frequency Synthesizer for RF Personal Communications

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National LMX2323 handbook

LMX2323 is a 2.0GHz frequency synthesizer that uses a digital phase locked loop to generate stable, low-noise control signals

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National LMX2315/LMX2320/LMX2325 handbook

The LMX2315�2320�2325 are high performance frequency synthesizers with integrated prescalers designed for RF operation up to 2�5 GHz

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National LMX2314/LMX2315 handbook

The LMX2314 and LMX2315 are high performance frequency synthesizers with integrated prescalers designed for RF operation up to 1.2 GHz. They are fabricated using National's ABiC IV BiCMOS process. The LMX2314 and LMX2315 contain dual modulus prescalers which can select either a 64-65 or a 128-129 divide ratio at input frequencies of up to 1.2 GHz. Using a proprietary digital phase locked loop technique, the LMX2314-15's linear phase detector characteristics can generate very stable, low noise local oscillator signals. Serial data is transferred into the LMX2314 and the LMX2315 via a three line MICROWIRE interface (Data, Enable, Clock). Supply voltage can range from 2.7V to 5.5V. The LMX2314 and the LMX2315 feature very low current consumption, typically 6 mA at 3V. The LMX2314 is available in a JEDEC 16-pin surface mount plastic package. The LMX2315 is available in a TSSOP 20-pin surface mount plastic package.

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National LMX2310U/LMX2311U/LMX2312U/LMX2313U handbook

LMX2310U/LMX2311U/LMX2312U/LMX2313U are high performance frequency synthesizers for RF personal communications. They feature low power consumption, low noise, selectable prescalers, and voltage controlled oscillators.

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National LMX2305 handbook

The LMX2305 is a high performance frequency synthesizer designed for RF operation up to 550 MHz. It uses digital phase lock loop technique, combined with a high quality reference oscillator and a loop filter, to provide the tuning voltage for the voltage controlled oscillator and generate a very stable, low noise local oscillator signal.

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National LMX2301 handbook

The LMX2301 is a high performance frequency synthesizer designed for RF operation up to 160 MHz. It is fabricated using National's ABiC IV BiCMOS process. The LMX2301 employs the digital phase lock loop technique, combined with a high quality reference oscillator and a loop filter, to provide the tuning voltage for the voltage controlled oscillator and generate a very stable, low noise local oscillator signal. Serial data is transferred into the LMX2301 via a three line MICROWIRE interface (Data, Enable, Clock). The supply voltage can range from 2.7V to 5.5V. The LMX2301 features very low current consumption, typically 2 mA at 3V. It is available in a TSSOP 20-pin surface mount plastic package.

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National LMX2240 handbook

The LMX2240 is a monolithic, integrated intermediate frequency receiver suitable for use in Digital European Cordless Telecommunications (DECT) systems as well as other mobile telephony and wireless communications applications

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National LMX2216 handbook

The LMX2216 is a monolithic integrated low noise amplifier (LNA) and mixer suitable as a first stage amplifier and down-converter for RF receiver applications

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National LMX2119 handbook

The LMX2119 1.9 GHz Power Amplifier is a monolithic integrated power amplifier suitable for use in the Digital European Cordless Telecommunications (DECT) system as well as other mobile telephony and wireless communications applications. It is fabricated using an advanced Gallium Arsenide technology that allows single supply (3V) operation. The LMX2119 consists of two MESFETs cascaded to provide 24.5 dB of power gain. The output power at 3.6V is 26.5 dBm with an input power level of 2 dBm. The input VSWR of the power amplifier remains constant in the ON and OFF state. The LMX2119 is available in a 16-pin SOIC surface mount plastic package.

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National LMX1600/LMX1601/LMX1602 handbook

The LMX1600/01/02 is part of a family of monolithic integrated dual frequency synthesizers designed to be used in a local oscillator subsystem for a radio transceiver.

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National LMX1501A/LMX1511 handbook

LMX1501A and LMX1511 are high performance frequency synthesizers designed for RF operation up to 1.1 GHz. They are fabricated using National's ABiC IV BiCMOS process and feature dual modulus prescalers and low current consumption.

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National LMP8272 LMP8277 handbook

The LMP8272 and LMP8277 are differential amplifiers with high common mode voltage and a gain of 14. They can detect, amplify, and filter small differential signals in the presence of high common mode voltages. The gain is fixed at 14, which is sufficient to drive an ADC to full scale. The amplifier consists of two stages: a pre-amplifier with a gain of +7 and a second stage amplifier with a gain of +2.

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National LMP8271 LMP8276 handbook

The LMP8271 and LMP8276 are high common-mode precision, gain of 20, bidirectional precision voltage difference amplifiers

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National LMP8270 LMP8275 handbook

The LMP8270 and LMP8275 are fixed gain differential amplifiers with a -2V to 27V input common mode voltage range and a supply voltage range of 4.5V to 5.5V. These precision amplifiers can detect, amplify, and filter small differential signals in the presence of high common mode voltages. The fixed gain of 20 is sufficient to drive an ADC to full scale in most cases. The LMP8270 and LMP8275 consist of a preamplifier with a fixed gain of 10 and an amplifier with a fixed gain of 2, resulting in an overall fixed gain of 20. The internal signal path between these two stages is brought out on two pins, A1 and A2, which provide a connection for a filter network. The LMP8270 and LMP8275 can operate with reduced specifications over the extended common mode input voltage range of -5V to 36V, making them suitable for load dump applications in automotive systems.

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National LMP7717/LMP7718 handbook

The LMP7717/LMP7718 are low noise, CMOS input operational amplifiers with 1.8V CMOS input and decompensated features, operating at a frequency of 88MHz. These products feature low input voltage noise density, low quiescent current, and a wide supply voltage range, making them suitable for various instrumentation applications.

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National LMP7711/LMP7712 handbook

The LMP7711/LMP7712 are single and dual low noise, low offset, CMOS input, rail-to-rail output precision amplifiers with a high gain bandwidth product and an enable pin. The LMP7711/LMP7712 are part of the LMP™ precision amplifier family and are ideal for a variety of instrumentation applications.

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