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Convertidores digital-analógicos (DAC)
DAC de precisión (≤ 10 MSPS)

TLV5638

ACTIVO

DAC doble de 12 bits, 1 o 3.5 us, entrada en serie, referencia integrada programable, tiempo de esta

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TLV5638

ACTIVO
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Detalles del producto

Resolution (Bits) 12 Number of DAC channels 2 Interface type SPI Output type Buffered Voltage Settling time (µs) 1 Reference type Ext, Int Architecture String Rating Automotive, Catalog Output range (max) (mA/V) 5.1 Output range (min) (mA/V) 0 Sample/update rate (Msps) 0.233 Power consumption (typ) (mW) 4.5 Operating temperature range (°C) -40 to 125
Resolution (Bits) 12 Number of DAC channels 2 Interface type SPI Output type Buffered Voltage Settling time (µs) 1 Reference type Ext, Int Architecture String Rating Automotive, Catalog Output range (max) (mA/V) 5.1 Output range (min) (mA/V) 0 Sample/update rate (Msps) 0.233 Power consumption (typ) (mW) 4.5 Operating temperature range (°C) -40 to 125
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Dual 12-Bit Voltage Output DAC
  • Programmable Internal Reference
  • Programmable Settling Time:
    • 1 µs in Fast Mode,
    • 3.5 µs in Slow Mode
  • Compatible With TMS320 and SPITM Serial Ports
  • Differential Nonlinearity <0.5 LSB Typ
  • Monotonic Over Temperature
  • Applications
    • Digital Servo Control Loops
    • Digital Offset and Gain Adjustment
    • Industrial Process Control
    • Machine and Motion Control Devices
    • Mass Storage Devices

SPI, QSPI are trademarks of Motorola, Inc.
Microwire is a trademark of National Semiconductor Corporation.
  • Dual 12-Bit Voltage Output DAC
  • Programmable Internal Reference
  • Programmable Settling Time:
    • 1 µs in Fast Mode,
    • 3.5 µs in Slow Mode
  • Compatible With TMS320 and SPITM Serial Ports
  • Differential Nonlinearity <0.5 LSB Typ
  • Monotonic Over Temperature
  • Applications
    • Digital Servo Control Loops
    • Digital Offset and Gain Adjustment
    • Industrial Process Control
    • Machine and Motion Control Devices
    • Mass Storage Devices

SPI, QSPI are trademarks of Motorola, Inc.
Microwire is a trademark of National Semiconductor Corporation.

The TLV5638 is a dual 12-bit voltage output DAC with a flexible 3-wire serial interface. The serial interface allows glueless interface to TMS320 and SPITM, QSPITM, and MicrowireTM serial ports. It is programmed with a 16-bit serial string containing 4 control and 12 data bits.

The resistor string output voltage is buffered by a x2 gain rail-to-rail output buffer. The buffer features a Class AB output stage to improve stability and reduce settling time. The programmable settling time of the DAC allows the designer to optimize speed vs power dissipation. With its on-chip programmable precision voltage reference, the TLV5638 simplifies overall system design.

Because of its ability to source up to 1 mA, the reference can also be used as a system reference. Implemented with a CMOS process, the device is designed for single supply operation from 2.7 V to 5.5 V. It is available in an 8-pin SOIC package to reduce board space in standard commercial, industrial, and automotive temperature ranges. It is also available in JG and FK packages in the military temperature range.

The TLV5638 is a dual 12-bit voltage output DAC with a flexible 3-wire serial interface. The serial interface allows glueless interface to TMS320 and SPITM, QSPITM, and MicrowireTM serial ports. It is programmed with a 16-bit serial string containing 4 control and 12 data bits.

The resistor string output voltage is buffered by a x2 gain rail-to-rail output buffer. The buffer features a Class AB output stage to improve stability and reduce settling time. The programmable settling time of the DAC allows the designer to optimize speed vs power dissipation. With its on-chip programmable precision voltage reference, the TLV5638 simplifies overall system design.

Because of its ability to source up to 1 mA, the reference can also be used as a system reference. Implemented with a CMOS process, the device is designed for single supply operation from 2.7 V to 5.5 V. It is available in an 8-pin SOIC package to reduce board space in standard commercial, industrial, and automotive temperature ranges. It is also available in JG and FK packages in the military temperature range.
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Documentación técnica

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* Data sheet TLV5638; 2.7-V To 5.5-V Low Power Dual 12-Bit DAC w/ Internal Ref & Power Down datasheet (Rev. C) 16 ene 2004
Application note Bipolar Voltage Outputs for the TLV56xx Family of DACs (Rev. A) 18 may 2015

Diseño y desarrollo

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