DAC1405D750_11 datasheet, PDF - EEWORLD Datasheet

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DAC1405D750_11: DescriptionDual 14-bit DAC, up to 750 Msps; 4x and 8x interpolating; File Size239KB，42 Pages; ManufacturerPhilips Semiconductors (NXP Semiconductors N.V.); Websitehttps://www.nxp.com/

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Dual 14-bit DAC, up to 750 Msps; 4x and 8x interpolating

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DAC1405D750

Dual 14-bit DAC, up to 750 Msps; 4x and 8x interpolating

Rev. 4 — 7 June 2011

Product data sheet

1. General description

The DAC1405D750 is a high-speed 14-bit dual channel Digital-to-Analog Converter

(DAC) with selectable 4 or 8 interpolating filters optimized for multi-carrier wireless

transmitters.

Thanks to its digital on-chip modulation, the DAC1405D750 allows the complex I and Q

inputs to be converted from BaseBand (BB) to IF. The mixing frequency is adjusted via a

Serial Peripheral Interface (SPI) with a 32-bit Numerically Controlled Oscillator (NCO) and

the phase is controlled by a 16-bit register.

Two modes of operation are available: separate data ports or a single interleaved

high-speed data port. In the Interleaved mode, the input data stream is demultiplexed into

its original I and Q data and then latched.

A 4 and 8 clock multiplier enables the DAC1405D750 to provide the appropriate

internal clocks from the internal PLL. The internal PLL can be bypassed enabling the use

of an external high frequency clock. The voltage regulator enables adjustment of the

output full-scale current.

2. Features and benefits



Dual 14-bit resolution



IMD3: 74 dBc; f

= 737.28 Msps;

= 140 MHz

750 Msps maximum update rate



ACPR: 72 dBc; 2-carrier WCDMA;

= 737.28 Msps; f

= 153.6 MHz

Selectable 4 or 8 interpolation filters



Typical 1.2 W power dissipation at 4

interpolation, PLL off and 740 Msps

Input data rate up to 185 Msps



Power-down and Sleep modes

Very low noise cap-free integrated PLL



Differential scalable output current from

1.6 mA to 22 mA

32-bit programmable NCO frequency



On-chip 1.25 V reference

Dual port or Interleaved data modes



External analog offset control

(10-bit auxiliary DACs)

1.8 V and 3.3 V power supplies



Internal digital offset control

LVDS compatible clock



Inverse x / (sin x) function

Two’s complement or binary offset



Fully compatible SPI port

data format

1.8 V/3.3 V CMOS input data buffers



Industrial temperature range from

40 C

to +85

C

DAC1405D750_11 Related Products

	DAC1405D750_11	DAC1405D750	DAC1405D750HW
Description	Dual 14-bit DAC, up to 750 Msps; 4x and 8x interpolating	Dual 14-bit DAC, up to 750 Msps; 4x and 8x interpolating	Dual 14-bit DAC, up to 750 Msps; 4x and 8x interpolating

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