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DAC088S085CISQ/NOPB
Texas Instruments
IC DAC 8BIT V-OUT 16WQFN
1469 Pcs New Original In Stock
8 Bit Digital to Analog Converter 8 16-WQFN (4x4)
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5.0 / 5.0
- (204 Ratings)
DAC088S085CISQ/NOPB
Product Overview
1279953
DiGi Electronics Part Number
DAC088S085CISQ/NOPB-DGManufacturer
Texas Instruments
DAC088S085CISQ/NOPB
Description
IC DAC 8BIT V-OUT 16WQFNInventory
1469 Pcs New Original In Stock
8 Bit Digital to Analog Converter 8 16-WQFN (4x4)
Quantity
Minimum 1
Minimum 1
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DAC088S085CISQ/NOPB Technical Specifications
Category
Data Acquisition, Digital to Analog Converters (DAC)
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
DiGi-Electronics Programmable
Not Verified
Number of Bits
8
Number of D/A Converters
8
Settling Time
4.5µs
Output Type
Voltage - Buffered
Differential Output
No
Data Interface
SPI, DSP
Reference Type
External
Voltage - Supply, Analog
2.7V ~ 5.5V
Voltage - Supply, Digital
2.7V ~ 5.5V
INL/DNL (LSB)
±0.12, +0.03/-0.02
Architecture
String DAC
Operating Temperature
-40°C ~ 125°C
Package / Case
16-WFQFN Exposed Pad
Supplier Device Package
16-WQFN (4x4)
Mounting Type
Surface Mount
Base Product Number
DAC088S085
Datasheet & Documents
HTML Datasheet
DAC088S085CISQ/NOPB-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
DAC088S085CISQ/NOPBCT
DAC088S085CISQ/NOPBTR
*DAC088S085CISQ/NOPB
DAC088S085CISQNOPB
DAC088S085CISQ/NOPBDKR
-DAC088S085CISQ-NDR
Standard Package
1,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
発送のスピードが非常に早く、急ぎの需要に完璧に対応してくれました。
de desembre 02, 2025
Logistics tracking is accurate and updates are timely, which I value greatly.
de desembre 02, 2025
Every order arrives swiftly, ensuring that my workflow remains uninterrupted.
de desembre 02, 2025
Their comprehensive support services make a big difference in my shopping experience.
de desembre 02, 2025
The durability and reliability of DiGi Electronics' offerings are truly commendable.
de desembre 02, 2025
DiGi Electronics keeps support accessible and prices competitive, which is rare in the industry.
de desembre 02, 2025
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Frequently Asked Questions (FAQ)
When designing a multi-channel sensor interface with the DAC088S085CISQ/NOPB, how should I manage ground return paths to avoid crosstalk between the eight 8-bit DAC outputs?
To minimize crosstalk in the DAC088S085CISQ/NOPB’s eight buffered voltage outputs, use a solid ground plane beneath the 16-WQFN package and route each output trace with its own local ground return path back to the analog ground star point. Avoid sharing return vias between channels, especially near the exposed pad (EP), which must be soldered directly to the ground plane for thermal and electrical stability. Place decoupling capacitors (100nF ceramic + 1µF bulk) as close as possible to the AVDD and DVDD pins, and isolate digital SPI lines from analog output traces using guard rings or ground shielding to preserve signal integrity in dense PCB layouts.
Can I replace the DAC088S085CISQ/NOPB with the Analog Devices AD5680 in an existing 8-channel industrial control system without redesigning the PCB or firmware?
Direct replacement of the DAC088S085CISQ/NOPB with the AD5680 is not recommended due to fundamental architectural and interface mismatches. The AD5680 is a single-channel 12-bit DAC with an internal reference and I²C interface, whereas the DAC088S085CISQ/NOPB is an 8-channel 8-bit device using SPI and requiring an external reference. Even if pin-compatible in some packages, the channel count, resolution, communication protocol, and reference architecture differ significantly—requiring firmware changes, potential layout modifications, and recalibration of control loops. For a true drop-in alternative, consider the TI DAC084S085 (4-channel) or DAC128S085 (12-bit, 8-channel), which share the same SPI interface and pinout philosophy.
What are the risks of operating the DAC088S085CISQ/NOPB near its maximum supply voltage (5.5V) in a high-temperature environment (105°C), and how does this affect long-term reliability?
Operating the DAC088S085CISQ/NOPB at 5.5V near its upper temperature limit (105°C) increases electromigration risk in the internal string resistor network and accelerates oxide degradation in the output buffers, potentially leading to long-term INL drift or output offset shifts. Although the device is rated for -40°C to 125°C, sustained operation at combined high voltage and high temperature reduces mean time between failures (MTBF). To mitigate risk, derate the supply to 5.0V if system margins allow, ensure adequate airflow or heatsinking via the exposed pad, and avoid continuous full-scale output loading. TI’s MSL1 rating helps with moisture resilience, but thermal cycling remains a key wear factor in industrial environments.
How do I ensure accurate output scaling when using an external reference with the DAC088S085CISQ/NOPB in a 3.3V system, and what reference voltage tolerances should I account for?
When using an external reference with the DAC088S085CISQ/NOPB in a 3.3V system, select a low-drift, low-noise reference such as the REF3033 (3.3V ±0.2% initial accuracy, 50ppm/°C drift). The DAC’s output is directly proportional to the reference voltage, so any reference error propagates linearly to all eight channels. Account for ±0.12 LSB INL and reference tolerance in your system error budget—e.g., a 10mV reference error results in ~7.8mV output error at full scale (3.3V). Use a reference with output current capability >1mA to drive the DAC’s REF input without droop, and place a 1µF ceramic capacitor near the REF pin to suppress noise and ensure stable settling within the 4.5µs specification.
Is it safe to daisy-chain multiple DAC088S085CISQ/NOPB devices on a single SPI bus in a motor control application with high EMI, and what layout practices prevent data corruption?
Yes, you can daisy-chain multiple DAC088S085CISQ/NOPB devices on one SPI bus, but in high-EMI motor control environments, implement strict signal integrity practices. Use series termination resistors (22–33Ω) on SCLK and SDIN lines near the master to reduce reflections, and keep SPI traces short and away from power stages or motor drivers. Since the DAC088S085CISQ/NOPB lacks hardware SYNC/CS per channel, ensure the microcontroller properly manages the frame timing to avoid partial writes. Add ferrite beads or common-mode chokes on digital supply lines and use differential signaling (e.g., RS-485 transceivers) for SPI over long distances. Ground the exposed pad thoroughly and maintain a continuous return path to prevent ground bounce from corrupting the SPI data stream during high di/dt events.
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DAC088S085CISQ/NOPB CAD Models
Texas Instruments DAC088S085CISQ/NOPB PCB symbols & footprints
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