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Präzisions-DACs (≤ 10 MSPS)

DAC1220

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Energieeffizienter 20-Bit-Delta-Sigma-Digital-Analog-Wandler

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DAC11001A AKTIV Monotoner 20-Bit-DAC mit extrem geringem Rauschen, geringem Störimpuls und äußerst niedrigem THD-Wer Device with lower glitch ( 1 nV-s ), faster settling time ( 1us ), low noise and exceptional THD

DAC1220

AKTIV
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Produktdetails

Resolution (Bits) 20 Number of DAC channels 1 Interface type SPI Output type Unbuffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 1 Settling time (µs) 2000 Reference type Ext Architecture Delta-Sigma Rating Catalog Features On-chip Offset and Gain Calibration Sample/update rate (Msps) 0.0005 Power consumption (typ) (mW) 2.5 Operating temperature range (°C) -40 to 85 Product type Precision DAC
Resolution (Bits) 20 Number of DAC channels 1 Interface type SPI Output type Unbuffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 1 Settling time (µs) 2000 Reference type Ext Architecture Delta-Sigma Rating Catalog Features On-chip Offset and Gain Calibration Sample/update rate (Msps) 0.0005 Power consumption (typ) (mW) 2.5 Operating temperature range (°C) -40 to 85 Product type Precision DAC
SSOP (DBQ) 16 29.4 mm² (4.9 mm × 6 mm)
  • 20-Bit Monotonicity Ensured Over –40°C to +85°C
  • Low Power: 2.5mW
  • Voltage Output
  • Settling Time: 2ms to 0.012%
  • Maximum Linearity Error: ±0.0015%
  • On-Chip Calibration
  • APPLICATIONS
    • Process Control
    • ATE Pin Electronics
    • Closed-Loop Servo Control
    • Smart Transmitters
    • Portable Instruments

All trademarks are the property of their respective owners.
  • 20-Bit Monotonicity Ensured Over –40°C to +85°C
  • Low Power: 2.5mW
  • Voltage Output
  • Settling Time: 2ms to 0.012%
  • Maximum Linearity Error: ±0.0015%
  • On-Chip Calibration
  • APPLICATIONS
    • Process Control
    • ATE Pin Electronics
    • Closed-Loop Servo Control
    • Smart Transmitters
    • Portable Instruments

All trademarks are the property of their respective owners.

The DAC1220 is a 20-bit digital-to-analog (D/A) converter offering 20-bit monotonic performance over the specified temperature range. It utilizes delta-sigma technology to achieve inherently linear performance in a small package at very low power. The resolution of the device can be programmed to 20 bits for Full-Scale, settling to 0.003% within 15ms typical, or 16 bits for Full-Scale, settling to 0.012% within 2ms max. The output range is two times the external reference voltage. On-chip calibration circuitry dramatically reduces low offset and gain errors.

The DAC1220 features a synchronous serial interface; in single-converter applications, the serial interface can be accomplished with just two wires, allowing low-cost isolation. For multiple converters, a CS signal allows for selection of the appropriate D/A converter.

The DAC1220 has been designed for closed-loop control applications in the industrial process control market and high-resolution applications in the test and measurement market. It is also ideal for remote applications, battery-powered instruments, and isolated systems. The DAC1220 is available in an SSOP-16 package.

The DAC1220 is a 20-bit digital-to-analog (D/A) converter offering 20-bit monotonic performance over the specified temperature range. It utilizes delta-sigma technology to achieve inherently linear performance in a small package at very low power. The resolution of the device can be programmed to 20 bits for Full-Scale, settling to 0.003% within 15ms typical, or 16 bits for Full-Scale, settling to 0.012% within 2ms max. The output range is two times the external reference voltage. On-chip calibration circuitry dramatically reduces low offset and gain errors.

The DAC1220 features a synchronous serial interface; in single-converter applications, the serial interface can be accomplished with just two wires, allowing low-cost isolation. For multiple converters, a CS signal allows for selection of the appropriate D/A converter.

The DAC1220 has been designed for closed-loop control applications in the industrial process control market and high-resolution applications in the test and measurement market. It is also ideal for remote applications, battery-powered instruments, and isolated systems. The DAC1220 is available in an SSOP-16 package.
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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt 20-Bit, Low-Power Digital-To-Analog Converter datasheet (Rev. G) 24.09.2009

Design und Entwicklung

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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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Gerberdatei

DAC1220 Gerber Files

SLAC052.ZIP (30 KB) - Gerberdatei
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
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