The AD9957 functions as a universal I/Q modulator and agileupconverter for communications systems where cost, size, powerconsumption, and dynamic performance are critical. TheAD9957 integrates a high speed, direct digital synthesizer(DDS), a high performance, high speed, 14-bit digital-to-analogconverter (DAC), clock multiplier circuitry, digital filters, andother DSP functions onto a single chip. It provides basebandupconversion for data transmission in a wired or wirelesscommunications system.The AD9957 is the third offering in a family of quadraturedigital upconverters (QDUCs) that includes the AD9857 andAD9856. It offers performance gains in operating speed, powerconsumption, and spectral performance. Unlike its predecessors,it supports a 16-bit serial input mode for I/Q baseband data.The device can alternatively be programmed to operate either asa single tone, sinusoidal source or as an interpolating DAC.The reference clock input circuitry includes a crystal oscillator,a high speed, divide-by-two input, and a low noise PLL formultiplication of the reference clock frequency.The user interface to the control functions includes a serial porteasily configured to interface to the SPORT of the Blackfin®DSP and profile pins to enable fast and easy shift keying of anysignal parameter (phase, frequency, or amplitude).Applications HFC data, telephony, and video modems Wireless base station transmissions Broadband communications transmissions Internet telephony

The ADA4004-1/ADA4004-2/ADA4004-4 are 1.8 nV/√Hz precision amplifiers featuring 40 μV offset, 0.7 μV/°C drift, 12 MHz bandwidth, and low 1.7 mA per amplifier supply current.The ADA4004-1/ADA4004-2/ADA4004-4 are designed on the high performance iPolar™ process, enabling improvements such as reduced noise and power consumption, increased speed and stability, and smaller footprint size. Novel design techniques enable the ADA4004-1/ADA4004-2/ADA4004-4 to achieve 1.8 nV/√Hz voltage noise density and a low 6 Hz 1/f noise corner frequency while consuming just 1.7 mA per amplifier. The small package saves board space, reduces cost, and improves layout flexibility.Applications for these amplifiers include high precision controls, PLL filters, high performance precision filters, medical and analytical instrumentation, precision power supply controls, ATE, and data acquisition systems. Operation is fully specified from ±5 V to ±15 V from −40°C to +125°C.The ADA4004-1, ADA4004-2, and ADA4004-4 are members of a growing series of low noise op amps offered by Analog Devices, Inc. (see Table 1).ApplicationsPrecision instrumentation Filter blocks Microphone preamplifier Industrial control Thermocouples and RTDs Reference buffers

The ADA4853-1/ADA4853-2/ADA4853-3 are low power, low cost, high speed, rail-to-rail output op amps with ultralow power disables that are ideal for portable consumer electronics. Despite their low price, the ADA4853-1/ADA4853-2/ADA4853-3 provide excellent overall performance and versatility. The 100 MHz, −3 dB bandwidth, and 120 V/μs slew rate make these amplifiers well-suited for many general-purpose, high speed applications.The ADA4853-1/ADA4853-2/ADA4853-3 voltage feedback op amps are designed to operate at supply voltages as low as 2.65 V and up to 5 V using only 1.4 mA of supply current per amplifier. To further reduce power consumption, the amplifiers are equipped with a power-down mode that lowers the supply current to less than 1.5 μA maximum, making them ideal in battery-powered applications.The ADA4853-1/ADA4853-2/ADA4853-3 provide users with a true single-supply capability, allowing input signals to extend 200 mV below the negative rail and to within 1.2 V of the positive rail. On the output, the amplifiers can swing within 200 mV of either supply rail.With their combination of low price, excellent differential gain (0.2%), differential phase (0.10°), and 0.5 dB flatness out to 22 MHz, these amplifiers are ideal for video applications.The ADA4853-1 is available in a 6-lead SC70, the ADA4853-2 is available in a 16-lead LFCSP_WQ, and the ADA4853-3 is available in both a 16-lead LFCSP_WQ and a 14-lead TSSOP. The ADA4853-1 temperature range is −40°C to +85°C while the ADA4853-2/ADA4853-3 temperature range is −40°C to +105°C.Applications Automotive infotainment systems Automotive safety systems Portable multimedia players Video cameras Digital still cameras Consumer video Clock buffer

The ADG821 / ADG822 / ADG823 are monolithic CMOS single-pole, single-throw (SPST) switches. These switches are designed on an advanced submicron process that provides low power dissipation, yet gives high switching speed, low on resistance, and low leakage currents.The ADG821 / ADG822 / ADG823 are designed to operate from a single 1.8 V to 5.5 V supply, making them ideal for use in battery-powered instruments.Each switch of the ADG821 / ADG822 / ADG823 conducts equally well in both directions when on. The ADG821 / ADG822 / ADG823 contain two independent SPST switches. The ADG821 and ADG822 differ only in that both switches are normally open and normally closed, respectively. In the ADG823, Switch 1 is normally open and Switch 2 is normally closed. The ADG823 exhibits break-before-make switching action.The ADG821 / ADG822 / ADG823 are available in an 8-lead MSOP.PRODUCT HIGHLIGHTS Very Low On Resistance: 0.5 Ω typ. On Resistance Flatness (RFLAT(ON)): 0.15 Ω typ. Automotive Temperature Range: −40°C to +125°C. Current Carrying Capability: 200 mA. Low Power Dissipation. CMOS construction ensures low power dissipation. 8-Lead MSOP. APPLICATIONS Power routing Battery-powered systems Communication systems Data acquisition systems Audio and video signal routing Cellular phones Modems PCMCIA cards Hard drives Relay replacement

The ADG849 is a monolithic, CMOS SPDT (single pole, double throw) switch that operates with a supply range of +1.8V to 5.5V. It is designed to offer ultra-low Ron resistance values of typically 0.5 Ω. This design makes the ADG849 an ideal solution for applications that require minimal distortion through the switch. The ADG849 alsohas the capability of carrying large amounts of current, typically 600mA at 5V operation.Each switch of the ADG849 conducts equally well in both directions when on. The device exhibits break-before-make switching action, thus preventing momentary shorting when switching channels.The ADG849 is available in a tiny 6-lead SC70 package, thus making it the ideal candidate for space-constrained applications.

The ADG854 is a low voltage CMOS device containing two independently selectable single-pole, double-throw (SPDT) switches. This device offers ultralow on resistance of less than 0.8 Ω over the full temperature range. The ADG854 is fully specified for 5.5 V, 3.3 V, and 2.5 V supply operation. Each switch conducts equally well in both directions when on, and has an input signal range that extends to the supplies. The ADG854 exhibits break-before-make switching action. The ADG854 is available in a 1.6 mm × 1.3 mm 10-lead mini LFCSP package.Applications Cellular phones PDAs MP3 players Power routing Battery-powered systems PCMCIA cards Modems Audio and video signal routing Communication systems

The ADG888 is a low voltage, dual DPDT (double-pole,double-throw) CMOS device optimized for high performanceaudio switching. With its low power and small physical size, it isideal for portable devices.This device offers ultralow on resistance of less than 0.8 Ω overthe full temperature range, making it an ideal solution forapplications requiring minimal distortion through the switch.The ADG888 also has the capability of carrying large amountsof current, typically 400 mA at 5 V operation.When on, each switch conducts equally well in both directionsand has an input signal range that extends to the supplies. TheADG888 exhibits break-before-make switching action.The ADG888 is available in a 16-ball WLCSP, 16-lead LFCSP,and a 16-lead TSSOP. These packages make the ADG888 the ideal solution for space-constrained applications.Product Highlights <0.6 Ω over full temperature range of −40°C to +125°C. High current handling capability (400 mA continuous current at 5 V). Low THD + N (0.008% typical). Tiny 16-ball WLCSP, 16-lead LFCSP, and 16-lead TSSOP. Applications Cellular phones  PDAs  MP3 players  Power routing  Battery-powered systems  PCMCIA cards  Modems  Audio and video signal routing  Communication systems  Data switching

The ADG888 is a low voltage, dual DPDT (double-pole,double-throw) CMOS device optimized for high performanceaudio switching. With its low power and small physical size, it isideal for portable devices.This device offers ultralow on resistance of less than 0.8 Ω overthe full temperature range, making it an ideal solution forapplications requiring minimal distortion through the switch.The ADG888 also has the capability of carrying large amountsof current, typically 400 mA at 5 V operation.When on, each switch conducts equally well in both directionsand has an input signal range that extends to the supplies. TheADG888 exhibits break-before-make switching action.The ADG888 is available in a 16-ball WLCSP, 16-lead LFCSP,and a 16-lead TSSOP. These packages make the ADG888 the ideal solution for space-constrained applications.Product Highlights <0.6 Ω over full temperature range of −40°C to +125°C. High current handling capability (400 mA continuous current at 5 V). Low THD + N (0.008% typical). Tiny 16-ball WLCSP, 16-lead LFCSP, and 16-lead TSSOP. Applications Cellular phones  PDAs  MP3 players  Power routing  Battery-powered systems  PCMCIA cards  Modems  Audio and video signal routing  Communication systems  Data switching

The ADL5370 is the first in the fixed-gain quadrature modulator(F-MOD) family designed for use from 300 MHz to 1000 MHz.Its excellent phase accuracy and amplitude balance enable highperformance intermediate frequency or direct radio frequencymodulation for communication systems.The ADL5370 provides a greater than 500 MHz, 3 dB basebandbandwidth, making it ideally suited for use in broadband zeroIF or low IF-to-RF applications and in broadband digitalpredistortion transmitters.The ADL5370 accepts two differential baseband inputs and asingle-ended LO and generates a single-ended 50 Ω output.The ADL5370 is fabricated using the Analog Devices, Inc.advanced silicon-germanium bipolar process. It is available in a24-lead, exposed-paddle, Pb-free, LFCSP package. Performance isspecified over a −40°C to +85°C temperature range. A Pb-freeevaluation board is available.Applications Cellular communication systems at 450 MHz CDMA2000/GSM WiMAX/broadband wireless access systems Cable communication equipment Satellite modems

The ADL5372 is a member of the fixed-gain quadrature modulator(F-MOD) family designed for use from 1500 MHz to 2500 MHz.Its excellent phase accuracy and amplitude balance enable highperformance intermediate frequency or direct radio frequencymodulation for communication systems.The ADL5372 provides a >500 MHz, 3 dB baseband bandwidth,making it ideally suited for use in broadband zero IF or lowIF-to-RF applications and in broadband digital predistortiontransmitters. The ADL5372 accepts two differential baseband inputs and asingle-ended, local oscillator (LO) and generates a single-endedoutput.The ADL5372 is fabricated using the Analog Devices, Inc.,advanced silicon-germanium bipolar process. It is available ina 24-lead, exposed-paddle, RoHS compliant, LFCSP. Performanceis specified over a −40°C to +85°C temperature range. A RoHScompliant evaluation board is available. Applications Cellular communication systems: CDMA2000/GSM/WCDMA WiMAX/broadband wireless access systems Satellite modems