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DAC8534IPWG4 Equivalent & Substitute Parts
Part Overview
The DAC8534IPWG4 is a 16-bit digital-to-analog converter (DAC) manufactured by Texas Instruments, designed for data acquisition applications requiring four independent voltage output channels. This component features a 16-TSSOP surface mount package and operates across a wide supply voltage range of 2.7V to 5.5V for both analog and digital domains.
The DAC8534IPWG4 is currently discontinued at DiGi Electronics. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production or maintenance requirements for systems utilizing this converter.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Number of Bits | 16 |
| Number of D/A Converters | 4 |
| Settling Time | 10µs |
| Output Type | Voltage - Buffered |
| 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) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the DAC8534IPWG4 is determined by strict equivalence across the following critical parameters:
- Resolution and Channel Count: 16-bit resolution with 4 independent D/A converters
- Electrical Performance: 10µs settling time, ±1 LSB INL/DNL specification, buffered voltage output
- Interface Compatibility: SPI and DSP data interface support
- Supply Voltage Range: 2.7V to 5.5V for both analog and digital supplies
- Package Specification: 16-TSSOP surface mount package with identical pinout and thermal characteristics
- Environmental Compliance: ROHS3 compliance and MSL Level 1 rating
The DAC8534IPW qualifies as a direct substitute based on identical electrical specifications, package type, and functional characteristics. The primary distinction is product status and packaging format.
Parameter Comparison
| Parameter | DAC8534IPWG4 | DAC8534IPW |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Number of Bits | 16 | 16 |
| Number of D/A Converters | 4 | 4 |
| Settling Time | 10µs | 10µs |
| Output Type | Voltage - Buffered | Voltage - Buffered |
| Data Interface | SPI, DSP | SPI, DSP |
| Reference Type | External | External |
| Voltage - Supply, Analog | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Voltage - Supply, Digital | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| INL/DNL (LSB) | ±1 (Max) | ±1 (Max) |
| Architecture | String DAC | String DAC |
| Operating Temperature | -40°C ~ 105°C | -40°C ~ 105°C |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) | 16-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Discontinued at DiGi Electronics | Active |
| Packaging Format | Not specified | Tube |
Engineering Selection Recommendations
The DAC8534IPW is the manufacturer-recommended substitute for the discontinued DAC8534IPWG4. Both components share identical electrical specifications, functional architecture, and package geometry. The DAC8534IPW maintains active product status, ensuring long-term availability and supply chain continuity.
Selection of the DAC8534IPW is supported by:
- Identical 16-bit resolution and 4-channel configuration
- Matching electrical performance specifications including settling time and linearity
- Compatible SPI and DSP interface protocols
- Identical supply voltage operating ranges
- Equivalent environmental compliance certifications (ROHS3, MSL Level 1)
- Pinout and package compatibility with 16-TSSOP form factor
The primary operational difference is packaging format: the DAC8534IPW is supplied in tube packaging, whereas the original part number suffix indicates a different packaging configuration. This distinction does not affect electrical performance or functional compatibility in circuit applications.
Frequently Asked Questions (FAQ)
Q: Can the DAC8534IPW be used as a direct replacement for the DAC8534IPWG4?
A: Yes. Both components are electrically and functionally identical. They share the same 16-bit resolution, 4-channel configuration, settling time, output type, data interface, supply voltage range, and package geometry. The primary difference is product status and packaging format.
Q: What is the significance of the part number suffix difference between DAC8534IPWG4 and DAC8534IPW?
A: The suffix indicates packaging and distribution format. The DAC8534IPWG4 is discontinued, while the DAC8534IPW is actively manufactured and distributed in tube packaging. The base product number DAC8534 and electrical specifications remain identical.
Q: Are there any pinout differences between these parts?
A: No. Both components use the 16-TSSOP package with identical pinout and thermal characteristics. Direct PCB layout compatibility is maintained.
Q: What compliance certifications apply to the DAC8534IPW?
A: The DAC8534IPW maintains ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental specifications.
Q: Is the DAC8534IPW suitable for the same operating temperature range?
A: Yes. Both components operate across -40°C to 105°C, supporting identical thermal operating conditions.
Q: What data interfaces are supported by the DAC8534IPW?
A: The DAC8534IPW supports both SPI and DSP interfaces, maintaining full protocol compatibility with the original DAC8534IPWG4.
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