GENERAL DESCRIPTION
The AD9714/AD9715/AD9716/AD9717 are pin-compatible, Dual, 8-/10-/12-/14-Bit, Low Power Digital-to-Analog Converters (DACs) that provide a sample rate of 125 MSPS. These TxDAC® Converters are optimized for the transmit signal path of communication systems. All the devices share the same interface, package, and pinout, providing an upward or downward component selection path based on performance, resolution, and cost.
FEATURES
Power dissipation @ 3.3 V, 2 mA output
37 mW @ 10 MSPS
86 mW @ 125 MSPS
Sleep mode: <3 mW @ 3.3 V
Supply voltage: 1.8 V to 3.3 V
SFDR to Nyquist
84 dBc @ 1 MHz output
75 dBc @ 10 MHz output
AD9717 NSD @ 1 MHz output, 125 MSPS, 2 mA: −151 dBc/Hz
Differential current outputs: 1 mA to 4 mA
2 on-chip auxiliary DACs
CMOS inputs with single-port operation
Output common mode: adjustable 0 V to 1.2 V
Small footprint 40-lead LFCSP RoHS-compliant package
APPLICATIONS
Wireless infrastructures
Picocell, femtocell base stations
Medical instrumentation
Ultrasound transducer excitation
Portable instrumentation
Signal generators, arbitrary waveform generators
DESCRIPTION
The DAC3154/DAC3164 are dual channel 10-/12-bit, pin-compatible family of 500 MSPS Digital-to-Analog Converters (DAC). The DAC3154/DAC3164 use a 10- /12-bit wide LVDS digital bus with an input FIFO. FIFO input and output pointers can be synchronized across multiple devices for precise signal synchronization. The DAC outputs are current sourcing and terminate to GND with a compliance range of –0.5 to 1V. DAC3154/ DAC3164 are pin compatible with the dual-channel, 14-bit, 500 MSPS Digital-to-Analog Converters DAC3174, and the single channel, 14-/12-10-bit, Digital-to-Analog Converters DAC3171/DAC3161/DAC3151.
FEATURES
• Dual Channel
• Resolution
– DAC3154: 10-Bit
– DAC3164: 12-Bit
• Maximum Sample Rate: 500 MSPS
• Pin Compatible Family with DAC3174 and DAC3151/DAC3161/DAC3171
• Input Interface:
– 12-/10-Bit Wide LVDS Inputs
– Internal FIFO
• Chip to Chip Synchronization
• Power Dissipation: 460mW
• Spectral Performance at 20 MHz IF
– SNR: 62 dBFS for DAC3154, 72 dBFS for DAC3164
– SFDR: 76 dBc for DAC3154, 77 dBc for DAC3164
• Current Sourcing DACs
• Compliance Range: –0.5V to 1V
• Package: 64 Pin QFN (9x9mm)
APPLICATIONS
• Multi-Carrier, Multi-Mode Cellular Infrastructure Base Stations
• Radar
• Signal Intelligence
• Software-Defined Radio
• Test and Measurement Instrumentation
GENERAL DESCRIPTION
The AD9114/AD9115/AD9116/AD9117 are pin-compatible Dual, 8-/10-/12-/14-Bit, Low Power Digital-to-Analog Converters (DACs) that provide a sample rate of 125 MSPS. These TxDAC® Converters are optimized for the transmit signal path of communication systems. All the devices share the same interface, LFCSP, and pinout, providing an upward or downward component selection path based on performance, resolution, and cost.
FEATURES
Power dissipation @ 3.3 V, 20 mA output 191 mW @ 10 MSPS 232 mW @ 125 MSPS
Sleep mode: <3 mW @ 3.3 V
Supply voltage: 1.8 V to 3.3 V
SFDR to Nyquist 86 dBc @ 1 MHz output 85 dBc @ 10 MHz output
AD9117 NSD @ 1 MHz output, 125 MSPS, 20mA: −162 dBc/Hz
Differential current outputs: 4 mA to 20 mA
Two on-chip auxiliary DACs
CMOS inputs with single-port operation
Output common mode: adjustable 0 V to 1.2 V
Small footprint 40-lead LFCSP Pb-free package
APPLICATIONS
Wireless infrastructures Picocell, femtocell base stations
Medical instrumentation Ultrasound transducer excitation
Portable instrumentation Signal generators, arbitrary waveform generators
GENERAL DESCRIPTION
The AD9114/AD9115/AD9116/AD9117 are pin-compatible Dual, 8-/10-/12-/14-Bit, Low Power Digital-to-Analog Converters (DACs) that provide a sample rate of 125 MSPS. These TxDAC® Converters are optimized for the transmit signal path of communication systems. All the devices share the same interface, package, and pinout, providing an upward or downward component selection path based on performance, resolution, and cost.
FEATURES
Power dissipation @ 3.3 V, 20 mA output 191 mW @ 10 MSPS 232 mW @ 125 MSPS
Sleep mode: <3 mW @ 3.3 V
Supply voltage: 1.8 V to 3.3 V
SFDR to Nyquist 86 dBc @ 1 MHz output 85 dBc @ 10 MHz output
AD9117 NSD @ 1 MHz output, 125 MSPS, 20 mA: −162 dBc/Hz
Differential current outputs: 2 mA to 20 mA
2 on-chip auxiliary DACs
CMOS inputs with single-port operation
Output common mode: adjustable 0 V to 1.2 V
Small footprint 40-lead LFCSP RoHS-compliant package
APPLICATIONS
Wireless infrastructures Picocell, femtocell base stations
Medical instrumentation Ultrasound transducer excitation
Portable instrumentation Signal generators, arbitrary waveform generators
GENERAL DESCRIPTION
The AD9741/AD9743/AD9745/AD9746/AD9747 are pin compatible, high dynamic range, dual Digital-to-Analog Converters (DACs) with 8-/10-/12-/ 14-/16-bit resolutions and sample rates of up to 250 MSPS. The devices include specific features for direct conversion transmit applications, including gain and offset compensation, and they interface seamlessly with analog quadrature modulators, such as the ADL5370.
FEATURES
High dynamic range, dual DACs
Low noise and intermodulation distortion
Single carrier WCDMA ACLR = 80 dBc @ 61.44 MHz IF
Innovative switching output stage permits useable outputs
beyond Nyquist frequency
LVCMOS inputs with dual-port or optional interleaved
single-port operation
Differential analog current outputs are programmable from
8.6 mA to 31.7 mA full scale
Auxiliary 10-bit current DACs with source/sink capability for
external offset nulling
Internal 1.2 V precision reference voltage source
Operates from 1.8 V and 3.3 V supplies
315 mW Power dissipation
Small footprint, Pb-free, 72-Lead LFCSP
APPLICATIONS
Wireless infrastructure: WCDMA, CDMA2000, TD-SCDMA, WiMAX
Wideband communications: LMDS/MMDS, point-to-point
Instrumentation: RF signal generators, arbitrary waveform generators
GENERAL DESCRIPTION
The AD9714/AD9715/AD9716/AD9717 are pin-compatible, Dual, 8-/10-/12-/14-Bit, Low Power Digital-to-Analog Converters (DACs) that provide a sample rate of 125 MSPS. These TxDAC® Converters are optimized for the transmit signal path of communication systems. All the devices share the same interface, package, and pinout, providing an upward or downward component selection path based on performance, resolution, and cost.
FEATURES
Power dissipation @ 3.3 V, 2 mA output
37 mW @ 10 MSPS
86 mW @ 125 MSPS
Sleep mode: <3 mW @ 3.3 V
Supply voltage: 1.8 V to 3.3 V
SFDR to Nyquist
84 dBc @ 1 MHz output
75 dBc @ 10 MHz output
AD9717 NSD @ 1 MHz output, 125 MSPS, 2 mA: −151 dBc/Hz
Differential current outputs: 1 mA to 4 mA
2 on-chip auxiliary DACs
CMOS inputs with single-port operation
Output common mode: adjustable 0 V to 1.2 V
Small footprint 40-lead LFCSP RoHS-compliant package
APPLICATIONS
Wireless infrastructures
Picocell, femtocell base stations
Medical instrumentation
Ultrasound transducer excitation
Portable instrumentation
Signal generators, arbitrary waveform generators
PRODUCT DESCRIPTION
The AD9765 is a dual port, high speed, two channel, 12-bit CMOS DAC. It integrates two high quality 12-bit TxDAC+ cores, a voltage reference and digital interface circuitry into a small 48-lead LQFP package. The AD9765 offers exceptional ac and dc performance while supporting update rates up to 125 MSPS.
FEATURES
12-Bit Dual Transmit DAC
125 MSPS Update Rate
Excellent SFDR to Nyquist @ 5 MHz Output: 75 dBc
Excellent Gain and Offset Matching: 0.1%
Fully Independent or Single Resistor Gain Control
Dual Port or Interleaved Data
On-Chip 1.2 V Reference
Single 5 V or 3 V Supply Operation
Power Dissipation: 380 mW @ 5 V
Power-Down Mode: 50 mW @ 5 V
48-Lead LQFP
APPLICATIONS
Communications
Base Stations
Digital Synthesis
Quadrature Modulation
GENERAL DESCRIPTION
The AD9704/AD9705/AD9706/AD9707 are the fourth-generation family in the TxDAC series of high performance, CMOS digital-toanalog Converters (DACs). This pin-compatible, 8-/10-/12-/14-Bit resolution family is optimized for Low Power operation, while maintaining excellent dynamic performance. The AD9704/ AD9705/AD9706/AD9707 family is pin-compatible with the AD9748/AD9740/AD9742/AD9744 family of TxDAC Converters and is specifically optimized for the transmit signal path of communication systems.
FEATURES
175 MSPS update rate
Low Power member of pin-compatible TxDAC product family
Low Power dissipation 12 mW at 80 MSPS, 1.8 V 50 mW at 175 MSPS, 3.3 V
Wide supply voltage: 1.7 V to 3.6 V
SFDR to Nyquist AD9707: 84 dBc at 5 MHz output AD9707: 83 dBc at 10 MHz output AD9707: 75 dBc at 20 MHz output
Adjustable full-scale current outputs: 1 mA to 5 mA
On-chip 1.0 V reference
CMOS-compatible digital interface
Common-mode output: adjustable 0 V to 1.2 V
Power-down mode <2 mW at 3.3 V (SPI controllable)
Self-calibration
Compact 32-lead LFCSP, RoHS compliant package
GENERAL DESCRIPTION
The AD9776/AD9778/AD9779 are Dual, 12-/14-/16-bit, high dynamic range, Digital-to-Analog Converters (DACs) that provide a sample rate of 1 GSPS, permitting multicarrier generation up to the Nyquist frequency. They include features optimized for direct conversion transmit applications, including complex digital modulation, and gain and offset compensation. The DAC outputs are optimized to interface seamlessly with analog quadrature modulators such as the AD8349. A serial peripheral interface (SPI®) provides for programming/readback of many internal parameters. Full-scale output current can be programmed over a range of 10 mA to 30 mA. The devices are manufactured on an advanced 0.18 μm CMOS process and operate on 1.8 V and 3.3 V supplies for a total Power consumption of 1.0 W. They are enclosed in 100-lead TQFP packages.
FEATURES
Low Power: 1.0 W @ 1 GSPS, 600 mW @ 500 MSPS,
full operating conditions
SFDR = 78 dBc to fOUT = 100 MHz
Single carrier WCDMA ACLR = 79 dBc @ 80 MHz IF
Analog output: adjustable 8.7 mA to 31.7 mA,
RL = 25 Ω to 50 Ω
Novel 2×, 4×, and 8× interpolator/coarse complex modulator
alLows carrier placement anywhere in DAC bandwidth
Auxiliary DACs alLow control of external VGA and offset control
Multiple chip synchronization interface
High performance, Low noise PLL clock multiplier
Digital inverse sinc filter
100-lead, exposed paddle TQFP package
APPLICATIONS
Wireless infrastructure
WCDMA, CDMA2000, TD-SCDMA, WiMax, GSM
Digital high or Low IF synthesis
Internal digital upconversion capability
Transmit diversity
Wideband communications: LMDS/MMDS, point-to-point
GENERAL DESCRIPTION
The AD9785/AD9787/AD9788 are 12-bit, 14-bit, and 16-bit, high dynamic range TxDAC® devices, respectively, that provide a sample rate of 800 MSPS, permitting multicarrier generation up to the Nyquist frequency. Features are included for optimizing direct conversion transmit applications, including complex digital modulation, as well as gain, phase, and offset compensation. The DAC outputs are optimized to interface seamlessly with analog quadrature modulators, such as the ADL537x family from Analog Devices, Inc. A serial peripheral interface (SPI) provides for programming and readback of many internal parameters. Full-scale output current can be programmed over a range of 10 mA to 30 mA. The AD978x family is manufactured on a 0.18 μm CMOS process and operates from 1.8 V and 3.3 V supplies. It is enclosed in a 100-lead TQFP package.
FEATURES
Analog output: adjustable 8.7 mA to 31.7 mA,
RL = 25 Ω to 50 Ω
Low Power, fine complex NCO alLows carrier placement
anywhere in DAC bandwidth while adding <300 mW Power
Auxiliary DACs alLow I and Q gain matching and offset control
Includes programmable I and Q phase compensation
Internal digital upconversion capability
Multiple chip synchronization interface
High performance, Low noise PLL clock multiplier
Digital inverse sinc filter
100-lead, exposed paddle TQFP package
APPLICATIONS
Wireless infrastructure
WCDMA, CDMA2000, TD-SCDMA, WiMAX, GSM
Digital high or Low IF synthesis
Transmit diversity
Wideband communications
LMDS/MMDS, point-to-point
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