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Digital-Analog-Wandler (DACs)
Präzisions-DACs (≤ 10 MSPS)

DAC7558

AKTIV

Digital-Analog-Wandler mit Spannungsausgang, 12 Bit, zwei Kanäle, minimaler Störimpuls

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Datenblatt

DAC7558

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Resolution (Bits) 12 Number of DAC channels 8 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, SDO Sample/update rate (Msps) 0.5 Power consumption (typ) (mW) 4.5 Operating temperature range (°C) -40 to 105 Product type General-purpose DAC
Resolution (Bits) 12 Number of DAC channels 8 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, SDO Sample/update rate (Msps) 0.5 Power consumption (typ) (mW) 4.5 Operating temperature range (°C) -40 to 105 Product type General-purpose DAC
VQFN (RHB) 32 25 mm² (5 mm × 5 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: 1.8 mA (Max)
  • Per-Channel Power Down: 2 µA (Max)
  • Power-On Reset to Zero Scale and Mid Scale
  • SPI-Compatible Serial Interface: Up to 50 MHz
  • Simultaneous or Sequential Update
  • Asynchronous Clear
  • Binary and Twos-Complement Capability
  • Daisy-Chain Operation
  • 1.8-V to 5.5-V Logic Compatibility
  • Specified Temperature Range: -40°C to 105°C
  • Small, 5-mm x 5-mm, 32-Lead QFN Package
  • APPLICATIONS
    • Portable Battery-Powered Instruments
    • Digital Gain and Offset Adjustment
    • Programmable Voltage and Current Sources
    • Programmable Attenuators
    • Industrial Process Control

Microwire is a trademark of National Semiconductor Corp..
  • 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: 1.8 mA (Max)
  • Per-Channel Power Down: 2 µA (Max)
  • Power-On Reset to Zero Scale and Mid Scale
  • SPI-Compatible Serial Interface: Up to 50 MHz
  • Simultaneous or Sequential Update
  • Asynchronous Clear
  • Binary and Twos-Complement Capability
  • Daisy-Chain Operation
  • 1.8-V to 5.5-V Logic Compatibility
  • Specified Temperature Range: -40°C to 105°C
  • Small, 5-mm x 5-mm, 32-Lead QFN Package
  • APPLICATIONS
    • Portable Battery-Powered Instruments
    • Digital Gain and Offset Adjustment
    • Programmable Voltage and Current Sources
    • Programmable Attenuators
    • Industrial Process Control

Microwire is a trademark of National Semiconductor Corp..

The DAC7558 is a 12-bit, octal-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 DAC7558 operates from a single 2.7-V to 5.5-V supply. The DAC7558 output amplifiers can drive a 2-, 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 DAC7558 ideally suited for battery-operated portable applications. The power consumption is typically 7.5 mW at 5 V, 3.7 mW at 3 V, and reduces to 1 µW in power-down mode.

The DAC7558 is available in a 32-lead QFN package and is specified over -40°C to 105°C.

The DAC7558 is a 12-bit, octal-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 DAC7558 operates from a single 2.7-V to 5.5-V supply. The DAC7558 output amplifiers can drive a 2-, 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 DAC7558 ideally suited for battery-operated portable applications. The power consumption is typically 7.5 mW at 5 V, 3.7 mW at 3 V, and reduces to 1 µW in power-down mode.

The DAC7558 is available in a 32-lead QFN package and is specified over -40°C to 105°C.
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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt 12-Bit Octal Ultralow Glitch Voltage Output DAC datasheet (Rev. A) 02.12.2005

Design und Entwicklung

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Evaluierungsplatine

DAC7558EVM — DAC7558 – Evaluierungsmodul

This EVM features the DAC7558 digital-to-analog converter. The DAC7558 EVM is a simple evaluation module designed for a quick and easy way to evaluate the functionality and performance of the 12-bit resolution, octal-channel and serial input DAC. This EVM features an ultra low glitch voltage output (...)

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Support-Software

DXP — DXP EVM GUI

Das DAC Exerciser Program (DXP) ist ein Softwaretool von Texas Instruments zur Evaluierung von DACs ohne die Anforderungen teurer Mustergeneratoren oder des Schreibens komplexer Software. In Verbindung mit einem DAC-EVM von Texas Instruments und einer modularen Hauptplatine ermöglicht es die (...)

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Simulationsmodell

DAC7558 IBIS Model

SBAM065.ZIP (52 KB) - IBIS-Modell
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Designtool

ADC-DAC-TO-VREF-SELECT-DESIGN-TOOL — The ADC-TO-VREF-SELECT tool enables the pairing of TI ADCs, DACs, and series voltage references.

The ADC-TO-VREF-SELECT tool enables the pairing of TI analog-to-digital converters (ADCs) and series voltage references. Users can select an ADC device and the desired reference voltage, and the tool will list up to two voltage reference recommendations.
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VQFN (RHB) 32 Ultra Librarian
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