AD5449 Series

Dual 12-Bit, High Bandwidth Multiplying DAC with Serial Interface

Catalog

Dual 12-Bit, High Bandwidth Multiplying DAC with Serial Interface

Part	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Supply, Digital [Min]	Voltage - Supply, Digital [Max]	INL/DNL (LSB) [Max]	INL/DNL (LSB)	INL/DNL (LSB) [Min]	Output Type	Settling Time	Number of Bits	Supplier Device Package	Architecture	Data Interface	Voltage - Supply, Analog [Max]	Voltage - Supply, Analog [Min]	Package / Case [x]	Package / Case	Package / Case [y]	Reference Type
Analog Devices AD5449YRUZ-REEL7	Surface Mount	125 °C	-40 °C	2.5 V	5.5 V	2 LSB	1 LSB	-1 LSB	Current - Unbuffered	120 ns	12 bits	16-TSSOP	R-2R	DSP SPI	5.5 V	2.5 V	0.173 in	16-TSSOP	4.4 mm	External
Analog Devices AD5449YRU-REEL	Surface Mount	125 °C	-40 °C	2.5 V	5.5 V	2 LSB	1 LSB	-1 LSB	Current - Unbuffered	120 ns	12 bits	16-TSSOP	R-2R	DSP SPI	5.5 V	2.5 V	0.173 in	16-TSSOP	4.4 mm	External
Analog Devices AD5449YRU-REEL7	Surface Mount	125 °C	-40 °C	2.5 V	5.5 V	2 LSB	1 LSB	-1 LSB	Current - Unbuffered	120 ns	12 bits	16-TSSOP	R-2R	DSP SPI	5.5 V	2.5 V	0.173 in	16-TSSOP	4.4 mm	External
Analog Devices AD5449YRUZ	Surface Mount	125 °C	-40 °C	2.5 V	5.5 V	2 LSB	1 LSB	-1 LSB	Current - Unbuffered	120 ns	12 bits	16-TSSOP	R-2R	DSP SPI	5.5 V	2.5 V	0.173 in	16-TSSOP	4.4 mm	External
Analog Devices AD5449YRUZ-REEL	Surface Mount	125 °C	-40 °C	2.5 V	5.5 V	2 LSB	1 LSB	-1 LSB	Current - Unbuffered	120 ns	12 bits	16-TSSOP	R-2R	DSP SPI	5.5 V	2.5 V	0.173 in	16-TSSOP	4.4 mm	External

Catalog

Dual 12-Bit, High Bandwidth Multiplying DAC with Serial Interface

Key Features

• 10 MHz Multiplying Bandwidth

• INL of ±0.25 LSB @ 8 bits

• 16-lead TSSOP package

• 2.5 V to 5.5 V supply operation

• ±10 V reference input

• 50 MHz serial interface

• Extended temperature range: −40°C to +125°C

• 4-quadrant multiplication

• Power-on reset

• 0.5 μA typical current consumption

• Guaranteed monotonic

• Daisy-chain mode

• Readback function

• 2.47 MSPS update rate

Description

TheAD5429/AD5439/ AD5449 are CMOS, 8-, 10-, and 12-bit, dual-channel, current output digital-to-analog converters (DAC), respectively. These devices operate from a 2.5 V to 5.5 V power supply, making them suited to battery-powered and other applications.As a result of being manufactured on a CMOS submicron process, these parts offer excellent 4-quadrant multiplication characteristics, with large signal multiplying bandwidths of 10 MHz.The applied external reference input voltage (VREF) determines the full-scale output current. An integrated feedback resistor (RFB) provides temperature tracking and full-scale voltage output when combined with an external current-to-voltage precision amplifier.These DACs use a double-buffered, 3-wire serial interface that is compatible with SPI, QSPI™, MICROWIRE™, and most DSP interface standards. In addition, a serial data out (SDO) pin allows daisy-chaining when multiple packages are used. Data readback allows the user to read the contents of the DAC register via the SDO pin. On power-up, the internal shift register and latches are filled with 0s, and the DAC outputs are at zero scale.The AD5429 / AD5439 / AD5449 DACs are available in 16-lead TSSOP packages. The EV-AD5415/49SDZ evaluation board is available for evaluating DAC performance. For more information, see the UG-297 evaluation board user guide.APPLICATIONSPortable battery-powered applicationsWaveform generatorsAnalog processingInstrumentation applicationsProgrammable amplifiers and attenuatorsDigitally controlled calibrationProgrammable filters and oscillatorsComposite videoUltrasoundGain, offset, and voltage trimming