AD5781BRUZ Analog Devices Inc, AD5781BRUZ Datasheet - Page 26

• Manufacturer Part Number: AD5781BRUZ
• Description: IC DAC 18BIT SRL 20TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD5781BRUZ

• Design Resources: 18-Bit Accurate, low noise, precision bipolar DC voltage source (CN0177)
• Settling Time: 1µs
• Number Of Bits: 18
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Voltage Supply Source: Analog and Digital, Dual ±
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Resolution (bits): 18bit
• Sampling Rate: 1MSPS
• Input Channel Type: Serial
• Supply Current: 600µA
• Digital Ic Case Style: TSSOP
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +125°C
• Supply Voltage Range - Analog: 2.7V To 5.5V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power Dissipation (max): -
• Lead Free Status / Rohs Status: Compliant

AD5781
APPLICATIONS INFORMATION
TYPICAL OPERATING CIRCUIT
Figure 51 shows a typical operating circuit for the AD5781
using an
output buffer. To meet the specified linearity, force sense buffers
must be used on the reference inputs. Because the output
impedance of the AD5781 is 3.4 kΩ an output buffer is
required for driving low resistive, high capacitive loads.
EVALUATION BOARD
An evaluation board is available for the AD5781 to aid
designers in evaluating the high performance of the part with
AD8676
for reference buffers and an
AD8675
Figure 51. Typical Operating Circuit
as an
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minimum effort. The AD5781 evaluation kit includes a
populated and tested AD5781 PCB. The evaluation board
interfaces to the USB port of a PC. Software is available with the
evaluation board to allow the user to easily program the
AD5781. The software runs on any PC that has Microsoft®
Windows® XP (SP2) or Vista (32 bits) installed. The EVAL-
AD5781
operation of the evaluation board
data sheet is available, which gives full details on the