TLV5627
DAC cuádruple de 8 bits y 3 us, entrada en serie, baja potencia, apagado de hardware o software
TLV5627
- Four 8-Bit D/A Converters
- Programmable Settling Time of 2.5 us or 8.5 us Typ
- TMS320, (Q)SPI™, and Microwire™ Compatible Serial Interface
- Low Power Consumption:
7 mW, Slow Mode – 5-V Supply
3 mW, Slow Mode – 3-V Supply - Reference Input Buffers
- Monotonic Over Temperature
- Dual 2.7-V to 5.5-V Supply (Separate Digital and Analog Supplies)
- Hardware Power Down
- Software Power Down
- Simultaneous Update
- applications
- Battery Powered Test Instruments
- Digital Offset and Gain Adjustment
- Industrial Process Controls
- Machine and Motion Control Devices
- Arbitrary Waveform Generation
SPI and QSPI are trademarks of Motorola, Inc.
Microwire is a trademark of National Semiconductor Corporation.
The TLV5627 is a four channel, 8-bit voltage output digital-to-analog converter (DAC) with a flexible 4-wire serial interface. The 4-wire serial interface allows glueless interface to TMS320, SPI, QSPI, and Microwire serial ports. The TLV5627 is programmed with a 16-bit serial word comprised of a DAC address, individual DAC control bits, and an 8-bit DAC value.
The device has provision for two supplies: one digital supply for the serial interface (via pins DVDD and DGND), and one for the DACs, reference buffers and output buffers (via pins AVDD and AGND). Each supply is independent of the other, and can be any value between 2.7 V and 5.5 V. The dual supplies allow a typical application where the DAC will be controlled via a microprocessor operating on a 3-V supply (also used on pins DVDD and DGND), with the DACs operating on a 5-V supply. The digital and analog supplies can be tied together.
The resistor string output voltage is buffered by an x2 gain rail-to-rail output buffer. The buffer features a Class AB output stage to improve stability and reduce settling time. A rail-to-rail output stage and a power-down mode make it ideal for single voltage, battery based applications. The settling time of the DAC is programmable to allow the designer to optimize speed versus power dissipation. The settling time is chosen by the control bits within the 16-bit serial input string. A high-impedance buffer is integrated on the REFINAB and REFINCD terminals to reduce the need for a low source impedance drive to the terminal. REFINAB and REFINCD allow DACs A and B to have a different reference voltage than DACs C and D.
The device, implemented with a CMOS process, is available in 16-terminal SOIC and TSSOP packages. The TLV5627C is characterized for operation from 0°C to 70°C. The TLV5627I is characterized for operation from 40°C to 85°C.
Documentación técnica
Tipo | Título | Fecha | ||
---|---|---|---|---|
* | Data sheet | 2.7 V To 5.5 V, 8-Bit, 4-Channel, D-A Converter With Power Down datasheet (Rev. A) | 09 jul 2002 |
Diseño y desarrollo
Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.
ANALOG-ENGINEER-CALC — Calculadora para ingenieros analógicos
PSPICE-FOR-TI — PSpice® para herramienta de diseño y simulación de TI
TINA-TI — Programa de simulación analógica basado en SPICE
Encapsulado | Pines | Símbolos CAD, huellas y modelos 3D |
---|---|---|
SOIC (D) | 16 | Ultra Librarian |
TSSOP (PW) | 16 | Ultra Librarian |
Pedidos y calidad
- RoHS
- REACH
- Marcado del dispositivo
- Acabado de plomo/material de la bola
- Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
- Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
- Contenido del material
- Resumen de calificaciones
- Monitoreo continuo de confiabilidad
- Lugar de fabricación
- Lugar de ensamblaje
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Soporte y capacitación
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