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TI(德州仪器) DAC8544
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  • TI(德州仪器) DAC8544
  • TI(德州仪器) DAC8544
  • TI(德州仪器) DAC8544
  • TI(德州仪器) DAC8544
  • TI(德州仪器) DAC8544
  • TI(德州仪器) DAC8544
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DAC8544

DAC8544

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四通道 16 位、轨到轨、电压输出、并行接口数模转换器

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  • 特性
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  • 封装 | 引脚 | 尺寸

The DAC8544 is a low-power, quad-channel, 16-bit, voltage output DAC. Its on-chip precision output amplifier allows rail-to-rail voltage swing to be achieved at the output. The DAC8544 is 16-bit monotonic and offers exceptional absolute accuracy with ultralow crosstalk. The DAC8544 uses a 16-bit parallel interface and features additional power-down function pins as well as hardware-enabled, synchronous DAC updating and reset capability.

The DAC8544 requires an external reference voltage to set the output range of the DAC. The device incorporates a power-on-reset circuit that ensures that the DAC outputs power up at zero volt and remains there until a valid write takes place. In addition, the DAC8544 contains a power-down feature, accessed via PD pin, that reduces the current consumption of the device to 400 nA at 5 V. The power consumption is typically under 5 mW at VDD = 5 V.

The DAC8544 is available in a 48-lead TQFP package with an operating temperature range of –40°C to +105°C.

  • Single Supply: +2.7 V to +5.5 V
  • Micropower Operation: 950 µA @ 5 V
  • Rail-To-Rail Voltage Output
  • Ultralow Crosstalk: –110 dB
  • Settling Time: 10 µs To ±0.003% FSR
  • 16-Bit Monotonic
  • Offset Error: ±0.3 mV
  • Gain Error: ±1 mV
  • Total Error: ±3 mV
  • Per-Channel VREF+, VREF–, VFB Pins
  • Logic Compatible: +1.8 V to +5.5 V
  • Readback Capability
  • Double Buffered Inputs
  • Simultaneous or Sequential Update
  • Schmitt-Triggered Digital Inputs
  • Hardware Reset
  • 48-Lead TQFP Package
  • APPLICATIONS
    • Process Control
    • Data Acquisition Systems
    • Closed-Loop Servo Control
    • PC Peripherals
    • Optical Networking

Resolution (Bits)16
Number of DAC channels4
Interface typeParallel
Output typeBuffered Voltage
Settling time (µs)8
Reference typeExt
ArchitectureString
RatingCatalog
Output range (max) (mA/V)5.5
Output range (min) (mA/V)0
Sample/update rate (Msps)0.083
Power consumption (typ) (mW)4.75
Operating temperature range (°C)-40 to 105
TQFP (PFB)4881 mm² 9 x 9
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