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DAC8534IPWR
Texas Instruments
IC DAC 16BIT V-OUT 16TSSOP
2383 Pcs New Original In Stock
16 Bit Digital to Analog Converter 4 16-TSSOP
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DAC8534IPWR
Product Overview
1399215
DiGi Electronics Part Number
DAC8534IPWR-DGManufacturer
Texas Instruments
DAC8534IPWR
Description
IC DAC 16BIT V-OUT 16TSSOPInventory
2383 Pcs New Original In Stock
16 Bit Digital to Analog Converter 4 16-TSSOP
Quantity
Minimum 1
Minimum 1
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DAC8534IPWR Technical Specifications
Category
Data Acquisition, Digital to Analog Converters (DAC)
Packaging
-
Series
-
Product Status
Active
DiGi-Electronics Programmable
Not Verified
Number of Bits
16
Number of D/A Converters
4
Settling Time
10µs
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)
-, ±1 (Max)
Architecture
String DAC
Operating Temperature
-40°C ~ 105°C
Package / Case
16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package
16-TSSOP
Mounting Type
Surface Mount
Base Product Number
DAC8534
Datasheet & Documents
Manufacturer Product Page
DAC8534IPWR Specifications
HTML Datasheet
DAC8534IPWR-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
Standard Package
2,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
포장 과정이 친환경적이고, 신속한 배송에 감사드려요.
de desembre 02, 2025
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de desembre 02, 2025
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de desembre 02, 2025
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de desembre 02, 2025
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de desembre 02, 2025
The quality control is evident; items function perfectly straight out of the box.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the DAC8534IPWR in a noise-sensitive analog signal chain, and how can they be mitigated?
When integrating the DAC8534IPWR into a noise-sensitive application, a primary risk is digital feedthrough from the SPI interface or power supply coupling into the analog voltage output due to shared ground or poor layout. Since the DAC8534IPWR uses a string architecture with buffered voltage output, it lacks inherent glitch impulse suppression. To mitigate, use a dedicated low-noise LDO for the analog supply (AVDD), separate analog and digital ground planes joined at a single point, and place 10µF and 0.1µF capacitors close to the VREF and AVDD pins. Additionally, minimize SPI trace lengths and use series resistors on SCLK to reduce harmonic radiation. Proper bypassing and layout are critical—despite the DAC8534IPWR’s wide 2.7V to 5.5V supply range, operation near 3.3V with tight decoupling typically yields optimal PSRR under dynamic loads.
Can the DAC8534IPWR replace the AD5663R in a dual-channel precision voltage control system, and what are the critical compatibility considerations?
While both the DAC8534IPWR and AD5663R are 16-bit voltage-output DACs, direct replacement in a dual-channel system requires careful evaluation. The DAC8534IPWR integrates four channels in a 16-TSSOP vs. the AD5663R’s dual-channel 16-MSOP, so pin compatibility does not exist. More importantly, the DAC8534IPWR requires an external reference, whereas the AD5663R has an internal 2.5V reference—this means your design must provide a stable external reference (e.g., REF5025) when switching to the DAC8534IPWR. Also, the AD5663R specifies lower typical DNL (±0.5 LSB) than the DAC8534IPWR’s ±1 LSB max, so verify monotonicity requirements. Ensure the SPI timing of your controller supports the DAC8534IPWR’s 30-MHz max clock, and confirm power budget alignment—both operate down to 2.7V, but the DAC8534IPWR’s 10µs settling suits multiplexed multi-channel updates.
How does the external reference requirement of the DAC8534IPWR affect system accuracy in industrial temperature applications (-40°C to 105°C)?
The DAC8534IPWR’s reliance on an external reference means system accuracy is heavily dependent on the chosen reference’s temperature drift and long-term stability, unlike internal reference DACs. For operation across -40°C to 105°C, pairing the DAC8534IPWR with a precision reference like the REF5025 (50 ppm/°C max drift) is critical. Additionally, PCB layout must avoid thermal gradients near the reference and DAC—use thermal relief vias and avoid placing near power regulators. The DAC8534IPWR’s ±1 LSB DNL and lack of integral non-linearity spec imply that end-point errors dominate, so perform two-point calibration at system level. To avoid gain drift issues, ensure the reference maintains regulation under the DAC8534IPWR’s reference input current (typically 50 nA), which varies slightly with code—use a reference with low output impedance or buffer if necessary.
What reliability concerns should be addressed when using the DAC8534IPWR in long-lifetime industrial equipment?
For long-life industrial deployment, the DAC8534IPWR’s MSL 1 (unlimited floor life) and full -40°C to 105°C rating support robust reliability, but certain design practices must be followed. Avoid exceeding 5.5V on AVDD or DVDD, even transiently—many field failures stem from supply spikes during power cycling. Use TVS diodes on digital lines if the SPI interface extends beyond the board. Since the DAC8534IPWR uses a string DAC architecture, it has no differential nonlinearity guarantee over lifetime—performance may marginally degrade under thermal stress. To mitigate, derate voltage supplies to 5.0V max instead of 5.5V, and include built-in self-test (BIST) functionality that periodically checks mid-scale and full-scale output accuracy against a known ADC. Also, conformal coating may be needed in high-humidity environments despite its RoHS3 and REACH compliance.
How does the 10µs settling time of the DAC8534IPWR impact multi-channel synchronization in real-time control loops?
The DAC8534IPWR’s 10µs settling time defines the minimum interval between successive channel updates in time-critical applications like multi-axis motor control or waveform generation. Since it lacks a hardware LDAC-like synchronization pin across all four DACs, simultaneous output updates require careful SPI sequencing and latching. To minimize inter-channel skew, update all DAC input registers first via individual SPI writes, then assert a GPIO-generated frame signal to trigger a common /LDAC pulse (if using /LDAC functionality—note not all DAC8534 variants include this; verify the IPWR suffix). If real-time performance is critical, ensure the host MCU can sustain >100 kHz update rate per channel with overhead. For applications requiring better than 1µs coordination, consider adding a precision output buffer with enable pins to gate all outputs post-update, ensuring coherent response despite sequential internal loading in the DAC8534IPWR.
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DAC8534IPWR CAD Models
Texas Instruments DAC8534IPWR PCB symbols & footprints
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