![]() ![]() Reference designs, system diagrams, and IP, found at are available to help you rapidly develop complete end-market solutions using Cyclone II FPGAs.Titanic is a 1997 American epic romance and disaster film directed, written, produced, and co-edited by James Cameron. The low cost and optimized feature set of Cyclone II FPGAs make them ideal solutions for a wide array of automotive, consumer, communications, video processing, test and measurement, and other end-market solutions. Unlike other FPGA vendors who compromise power consumption and performance for low-cost, Altera’s latest generation of low-cost FPGAs-Cyclone II FPGAs, offers 60% higher performance and half the power consumption of competing 90-nm FPGAs. By minimizing silicon area, Cyclone II devices can support complex digital systems on a single chip at a cost that rivals that of ASICs. Cyclone II FPGAs are manufactured on 300-mm wafers using TSMC’s 90-nm low-k dielectric process to ensure rapid availability and low cost. ![]() The advanced process and the low voltage requirement of the 2.5-V core allow ACEX 1K devices to meet the requirements of low-cost, high-volume applications ranging from DSL modems to low-cost switches.įollowing the immensely successful first-generation Cyclone® device family, Altera® Cyclone II FPGAs extend the low-cost FPGA density range to 68,416 logic elements (LEs) and provide up to 622 usable I/O pins and up to 1.1 Mbits of embedded memory. Based on reconfigurable CMOS SRAM elements, the ACEX 1K architecture incorporates all features necessary to implement common gate array mega functions, along with a high pin count to enable an effective interface with system components. These elements make ACEX 1K suitable for complex logic functions and memory functions such as digital signal processing, wide data-path manipulation, data transformation, and microcontrollers, as required in high-performance communications applications. LUT-based logic provides optimized performance and efficiency for data-path, register intensive, mathematical, or digital signal processing (DSP) designs, while EABs implement RAM, ROM, dual-port RAM, or first-in-first-out (FIFO) functions. The conversion rate is determined by the SCLK.Īltera® ACEX 1K devices provide a die-efficient, low-cost architecture by combining look-up table (LUT) architecture with EABs. Thus, the analog input range for the parts is 0 V to VDD. This allows the widest dynamic input range to the ADC. The reference for the parts is taken internally from VDD. The AD7476/AD7477/AD7478 use advanced design techniques to achieve very low power dissipation at high throughput rates. There are no pipeline delays associated with these parts. The input signal is sampled on the falling edge of CS and the conversion is initiated at this point. The conversion process and data acquisition are controlled using CS and the serial clock, allowing the devices to interface with microprocessors or DSPs. Each part contains a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 6 MHz. The parts operate from a single 2.35 V to 5.25 V power supply and feature throughput rates up to 1 MSPS. The AD7476/AD7477/AD7478 are, respectively, 12-bit, 10-bit, and 8-bit, high speed, low power, successive approximation ADCs. They can also handle bipolar input signal ranges of ☒0 mV through ☒.5 V, which are referenced to the AIN(−) inputs on the AD7705 and to the COMMON input on the AD7706. ![]() Input signal ranges of 0 mV to 20 mV through 0 V to 2.5 V can be incorporated on both devices when operating with a VDD of 5 V and a reference of 2.5 V. Both devices feature a differential reference input. The AD7705 features two fully differential analog input channels the AD7706 features three pseudo differential input channels. The AD7705/AD7706 devices operate from a single 2.7 V to 3.3 V or 4.75 V to 5.25 V supply. The first notch of this digital filter can be programmed via an on-chip control register, allowing adjustment of the filter cutoff and output update rate. The modulator output is processed by an on-chip digital filter. The selected input signal is applied to a proprietary, programmable-gain front end based around an analog modulator. The devices employ a Σ-Δ conversion technique to realize up to 16 bits of no missing codes performance. These 2-/3-channel devices can accept low-level input signals directly from a transducer and produce a serial digital output. The AD7705/AD7706 are complete analog front ends for low-frequency measurement applications. ![]()
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