The AD9102 TxDAC® and waveform generator is a high performance DIGITAL-TO-ANALOG CONVERTER (DAC) integrating on-chip pattern memory for complex waveform generation with a direct digital synthesizer (DDS). The DDS is a 14-bit output, up to 180 MSPS master clock sine wave generator with a 24-bit tuning word, allowing 10.8 Hz/LSB frequency resolution.
GENERAL DESCRIPTION The AD9254 is a monolithic, single 1.8 V supply, 14-BIT, 150 MSPS analog-to-digital CONVERTER (ADC), featuring a high performance sample-and-hold amplifier (SHA) and on-chip voltage reference. The product uses a multistage differential pipeline architecture with output error correction logic to provide 14-bit accuracy at 150 MSPS data rates and guarantees no missing codes over the full operating temperature range.
FEATURES 1.8 V analog supply operation 1.8 V to 3.3 V output supply SNR = 71.8 dBc (72.8 dBFS) to 70 MHz input SFDR = 84 dBc to 70 MHz input Low power: 430 mW @ 150 MSPS Differential input with 650 MHz bandwidth On-chip voltage reference and sample-and-hold amplifier DNL = ±0.4 LSB Flexible analog input: 1 V p-p to 2 V p-p range Offset binary, Gray code, or twos complement data format Clock duty cycle stabilizer Data output clock Serial port control Built-in selectable digital test pattern generation Programmable clock and data alignment
APPLICATIONS Ultrasound equipment IF sampling in communications receivers CDMA2000, WCDMA, TD-SCDMA, and WiMax Battery-powered instruments Hand-held scopemeters Low cost digital oscilloscopes Macro, micro, and pico cell infrastructure
The AD9683 is a 14-bit ADC with sampling speeds of up to 250 MSPS. The AD9683 is designed to support communications applications where low cost, small size, wide bandwidth, and versatility are desired.
JESD204B Subclass 0 or Subclass 1 coded serial digital outputs
Signal-to-noise ratio (SNR) = 70.6 dBFS at 185 MHz AIN and 250 MSPS
Spurious-free dynamic range (SFDR) = 88 dBc at 185 MHz AIN and 250 MSPS
Total power consumption: 434 mW at 250 MSPS
1.8 V supply voltages
Integer 1-to-8 input clock divider
Sample rates of up to 250 MSPS
IF sampling frequencies of up to 400 MHz
Internal analog-to-digital CONVERTER (ADC) voltage reference
Flexible analog input range 1.4 V p-p to 2.0 V p-p (1.75 V p-p nominal)
GENERAL DESCRIPTION The AD9952 is a direct digital synthesizer (DDS) featuring a 14-bit DAC operating up to 400 MSPS. The AD9952 uses advanced DDS technology, coupled with an internal high speed, high performance DAC to form a digitally programmable, complete high frequency synthesizer capable of generating a frequency-agile analog output sinusoidal waveform at up to 200 MHz. The AD9952 is designed to provide fast frequency hopping and fine tuning resolution (32-bit frequency tuning word). The frequency tuning and control words are loaded into the AD9952 via a serial I/O port. The AD9952 is specified to operate over the extended industrial temperature range of –40°C to +105°C.
FEATURES 400 MSPS internal clock speed Integrated 14-bit DAC 32-bit tuning word Phase noise ≤ –120 dBc/Hz @ 1 kHz offset (DAC output) Excellent dynamic performance >80 dB SFDR @ 160 MHz (±100 kHz offset) AOUT Serial I/O control 1.8 V power supply Software and hardware controlled power-down 48-lead TQFP/EP package Support for 5 V input levels on most digital inputs PLL REFCLK multiplier (4× to 20×) Internal oscillator, can be driven by a single crystal Phase modulation capability Multichip synchronization High speed comparator (200 MHz toggle rate)
APPLICATIONS Agile LO frequency synthesis Programmable clock generators Test and measurement equipment Acousto-optic device drivers
The AD9648 is a monolithic, dual-channel, 1.8 V supply, 14-BIT, 105 MSPS/125 MSPS analog-to-digital CONVERTER (ADC). It features a high performance sample-and-hold circuit and on chip voltage reference.
The product uses multistage differential pipeline architecture with output error correction logic to provide 14-bit accuracy at 125 MSPS data rates and to guarantee no missing codes over the full operating temperature range.
1.8 V analog supply operation
1.8 V CMOS or LVDS outputs
SNR = 74.5 dBFS @ 70 MHz
SFDR = 91 dBc @ 70 MHz
Low power: 78 mW/channel ADC core @ 125 MSPS
Differential analog input with 650 MHz bandwidth
IF sampling frequencies to 200 MHz
On-chip voltage reference and sample-and-hold circuit
2 V p-p differential analog input
DNL = ±0.35 LSB
Serial port control options
Offset binary, gray code, or twos complement data format
Optional clock duty cycle stabilizer
Integer 1-to-8 input clock divider
Data output multiplex option
Built-in selectable digital test pattern generation
Energy-saving power-down modes
Data clock out with programmable clock and data alignment
The AD9642is a 14-bit analog-to-digital CONVERTER (ADC) with sampling speeds of up to 250 MSPS. The AD9642is designed to support communications applications, where low cost, small size, wide bandwidth, and versatility are desired.