DAC8562開發(fā)板套件編程器的評估板-數(shù)模轉(zhuǎn)換器（DAC）規(guī)格書PDF中文資料

DAC8562屬于開發(fā)板套件編程器的評估板-數(shù)模轉(zhuǎn)換器（DAC）。由德州儀器制造生產(chǎn)的DAC8562評估板 - 數(shù)模轉(zhuǎn)換器（DAC）該系列產(chǎn)品提供了一種方便的方法，在經(jīng)過驗證的設(shè)計環(huán)境中對用于將數(shù)字?jǐn)?shù)據(jù)轉(zhuǎn)換為模擬格式的器件進(jìn)行性能或特性評估。重點器件涵蓋范圍從以適合學(xué)生或愛好者使用的方式實現(xiàn)的適度功能器件，到適合電信基礎(chǔ)設(shè)施應(yīng)用的高級器件。

1 Features

1? Relative Accuracy:

– DAC756x (12-Bit): 0.3 LSB INL

– DAC816x (14-Bit): 1 LSB INL

– DAC856x (16-Bit): 4 LSB INL

? Glitch Impulse: 0.1 nV-s

? Bidirectional Reference: Input or 2.5-V Output

– Output Disabled by Default

– ±5-mV Initial Accuracy (Max)

– 4-ppm°C Temperature Drift (Typ) three–

10-ppm/°C Temperature Drift (Max)

– 20-mA Sink and Source Capability

? Power-On Reset to Zero Scale or Mid-Scale

? Low-Power: 4 mW (Typ, 5-V AV DD, Including

Internal Reference Current)

? Wide Power-Supply Range: 2.7 V to 5.5 V

? 50-MHz SPI With Schmitt-Triggered Inputs

? LDAC and CLR Functions

? Output Buffer With Rail-to-Rail Operation

? Packages: WSON-10 (3 mm × 3 mm), VSSOP-10

? Temperature Range: –40°C to 125°C

2 Applications

? Portable Instrumentation

? PLC Analog Output Module

? Closed-Loop Servo Control

? Voltage Controlled Oscillator Tuning

? Data Acquisition Systems

? Programmable Gain and Offset Adjustment

3 Description

The DAC756x, DAC816x, and DAC856x devices are

low-power, voltage-output, dual-channel, 16-, 14-, and 12-bit digital-to-analog converters (DACs),

respectively. These devices include a 2.5-V,

4-ppm/°C internal reference, giving a full-scale output

voltage range of 2.5 V or 5 V. The internal reference has an initial accuracy of ±5 mV and can source or

sink up to 20 mA at the VREFIN/VREFOUT pin.

These devices are monotonic, providing excellent

linearity and minimizing undesired code-to-code

transient voltages (glitch). They use a versatile three–

wire serial interface that operates at clock rates up to 50 MHz. The interface is compatible with standard

SPI?, QSPI?, Microwire, and digital signal

processor (DSP) interfaces. The DACxx62 devices

incorporate a power-on-reset circuit that ensures the

DAC output powers up and remains at zero scale until a valid code is written to the device, whereas the

DACxx63 devices similarly power up at mid-scale.

These devices contain a power-down feature that

reduces current consumption to typically 550 nA at

5 V. The low power consumption, internal reference,

and small footprint make these devices ideal for

portable, battery-operated equipment.

The DACxx62 devices are drop-in and functioncompatible

with each other, as are the DACxx63

devices. The entire family is available in MSOP-10

and SON-10 packages.