DAC7552

ACTIVO

Convertidor digital a analógico doble de salida de tensión de 12 bits, fallas ultrabajas

Detalles del producto

Resolution (Bits) 12 Number of DAC channels 2 Interface type SPI Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 1 Settling time (µs) 5 Reference type Ext Architecture String Rating Catalog Features Low glitch Sample/update rate (Msps) 1 Power consumption (typ) (mW) 0.675 Operating temperature range (°C) -40 to 105 Product type General-purpose DAC
Resolution (Bits) 12 Number of DAC channels 2 Interface type SPI Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 1 Settling time (µs) 5 Reference type Ext Architecture String Rating Catalog Features Low glitch Sample/update rate (Msps) 1 Power consumption (typ) (mW) 0.675 Operating temperature range (°C) -40 to 105 Product type General-purpose DAC
VQFN (RGT) 16 9 mm² (3 mm × 3 mm)
  • 2.7-V to 5.5-V Single Supply
  • 12-Bit Linearity and Monotonicity
  • Rail-to-Rail Voltage Output
  • Settling Time: 5 µs (Max)
  • Ultralow Glitch Energy: 0.1 nVs
  • Ultralow Crosstalk: –100 dB
  • Low Power: 440 µA (Max)
  • Per-Channel Power Down: 2 µA (Max)
  • Power-On Reset to Zero Scale
  • SPI-Compatible Serial Interface: Up to 50 MHz
  • Daisy-Chain Capability
  • Asynchronous Hardware Clear
  • Simultaneous or Sequential Update
  • Specified Temperature Range: –40°C to 105°C
  • Small 3-mm × 3-mm, 16-Lead QFN Package
  • 2.7-V to 5.5-V Single Supply
  • 12-Bit Linearity and Monotonicity
  • Rail-to-Rail Voltage Output
  • Settling Time: 5 µs (Max)
  • Ultralow Glitch Energy: 0.1 nVs
  • Ultralow Crosstalk: –100 dB
  • Low Power: 440 µA (Max)
  • Per-Channel Power Down: 2 µA (Max)
  • Power-On Reset to Zero Scale
  • SPI-Compatible Serial Interface: Up to 50 MHz
  • Daisy-Chain Capability
  • Asynchronous Hardware Clear
  • Simultaneous or Sequential Update
  • Specified Temperature Range: –40°C to 105°C
  • Small 3-mm × 3-mm, 16-Lead QFN Package

The DAC7552 is a 12-bit, dual-channel, voltage-output DAC with exceptional linearity and monotonicity. Its proprietary architecture minimizes undesired transients such as code-to-code glitch and channel-to-channel crosstalk. The low-power DAC7552 operates from a single 2.7-V to 5.5-V supply. The DAC7552 output amplifiers can drive a 2-kΩ, 200-pF load rail-to-rail with 5-µs settling time; the output range is set using an external voltage reference.

The 3-wire serial interface operates at clock rates up to 50 MHz and is compatible with SPI, QSPI, Microwire, and DSP interface standards. The outputs of all DACs may be updated simultaneously or sequentially. The parts incorporate a power-on-reset circuit to ensure that the DAC outputs power up to zero volts and remain there until a valid write cycle to the device takes place. The parts contain a power-down feature that reduces the current consumption of the device to under 2 µA.

The small size and low-power operation makes the DAC7552 ideally suited for battery-operated portable applications. The power consumption is typically 1.5 mW at 5 V, 0.75 mW at 3 V, and reduces to 1 µW in power-down mode.

The DAC7552 is available in a 16-lead QFN package and is specified over –40°C to 105°C.

The DAC7552 is a 12-bit, dual-channel, voltage-output DAC with exceptional linearity and monotonicity. Its proprietary architecture minimizes undesired transients such as code-to-code glitch and channel-to-channel crosstalk. The low-power DAC7552 operates from a single 2.7-V to 5.5-V supply. The DAC7552 output amplifiers can drive a 2-kΩ, 200-pF load rail-to-rail with 5-µs settling time; the output range is set using an external voltage reference.

The 3-wire serial interface operates at clock rates up to 50 MHz and is compatible with SPI, QSPI, Microwire, and DSP interface standards. The outputs of all DACs may be updated simultaneously or sequentially. The parts incorporate a power-on-reset circuit to ensure that the DAC outputs power up to zero volts and remain there until a valid write cycle to the device takes place. The parts contain a power-down feature that reduces the current consumption of the device to under 2 µA.

The small size and low-power operation makes the DAC7552 ideally suited for battery-operated portable applications. The power consumption is typically 1.5 mW at 5 V, 0.75 mW at 3 V, and reduces to 1 µW in power-down mode.

The DAC7552 is available in a 16-lead QFN package and is specified over –40°C to 105°C.

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos 12-Bit Dual Ultralow Glitch Voltage Output DAC. datasheet (Rev. D) 27/05/2011
Circuit design Precision, Three-Wire High-Voltage Output Transmitter Using the DAC80501 and XTR200 PDF | HTML 27/01/2026

Diseño y desarrollo

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Modelo de simulación

DAC7552 IBIS Model

SBAM067.ZIP (53 KB) - Modelo IBIS
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