DAC8564
- Relative Accuracy: 4LSB
- Glitch Energy: 0.15nV-s
- Internal Reference:
- 2.5V Reference Voltage (enabled by default)
- 0.004% Initial Accuracy (typ)
- 2ppm/°C Temperature Drift (typ)
- 5ppm/°C Temperature Drift (max)
- 20mA Sink/Source Capability
- Power-On Reset to Zero-Scale
- Ultra-Low Power Operation: 1mA at 5V
- Wide Power Supply Range: +2.7V to +5.5V
- 16-Bit Monotonic Over Temperature Range
- Settling Time: 10µs to ±0.003% Full-Scale Range (FSR)
- Low-Power Serial Interface with Schmitt-Triggered Inputs: Up to 50MHz
- On-Chip Output Buffer Amplifier with Rail-to-Rail Operation
- 1.8V to 5.5V Logic Compatibility
- Temperature Range: –40°C to +105°C
- APPLICATIONS
- Portable Instrumentation
- Closed-Loop Servo-Control
- Process Control, PLCs
- Data Acquisition Systems
- Programmable Attenuation
- PC Peripherals
All other trademarks are the property of their respective owners
The DAC8564 is a low-power, voltage-output, four-channel, 16-bit digital-to-analog converter (DAC). The device includes a 2.5V, 2ppm/°C internal reference (enabled by default), giving a full-scale output voltage range of 2.5V. The internal reference has an initial accuracy of 0.004% and can source up to 20mA at the VREFH/VREFOUT pin. The device is monotonic, provides very good linearity, and minimizes undesired code-to-code transient voltages (glitch). The DAC8564 uses a versatile 3-wire serial interface that operates at clock rates up to 50MHz. The interface is compatible with standard SPI, QSPI, Microwire, and digital signal processor (DSP) interfaces.
The DAC8564 incorporates a power-on-reset circuit that ensures the DAC output powers up at zero-scale and remains there until a valid code is written to the device. The device contains a power-down feature, accessed over the serial interface, that reduces the current consumption of the device to 1.3µA at 5V. Power consumption is 2.9mW at 3V, reducing to 1.5µW in power-down mode. The low-power consumption, internal reference, and small footprint make this device ideal for portable, battery-operated equipment.
The DAC8564 is drop-in and functionally compatible with the DAC7564 and DAC8164, and functionally compatible with the DAC7565, DAC8165, and DAC8565. All these devices are available in a TSSOP-16 package.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | 16-Bit, Quad Chan, Ultra-Low Glitch, Voltage Output DAC w/2.5V, 2ppm/C Int. Ref. datasheet (Rev. D) | 2011. 5. 9 |
설계 및 개발
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| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
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| TSSOP (PW) | 16 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.