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Analog Devices Inc. AD5433YRU
- Part No.:
- AD5433YRU
- Manufacturer:
- Analog Devices Inc.
- Category:
- Digital to Analog Converters (DAC)
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
AD5433YRU.pdf
- Description:
- IC DAC 10BIT A-OUT 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,887
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Product details
Overview
AD5433YRU from Analog Devices is a 10-bit, current-output multiplying DAC with parallel interface, operating from 2.5 V to 5.5 V supply and supporting ±10 V reference input. It delivers 20.4 MSPS update rate, 10 MHz multiplying bandwidth, ±1 LSB INL, and guaranteed monotonicity for precision analog signal generation in demanding industrial and instrumentation systems.
For engineers reviewing the AD5433YRU datasheet, AD5433YRU pinout, AD5433YRU application, or AD5433YRU equivalent, key selection criteria include its 10-bit resolution, fast 17 ns write cycle, extended –40°C to +125°C temperature range, and compatibility with 4-quadrant multiplication circuits requiring high dynamic fidelity and low glitch energy (2 nV·s).
Technical Context
The AD5433YRU implements an R-2R ladder architecture with latched parallel interface-no transparent mode-and integrates an on-chip 10 kΩ feedback resistor (RFB) for temperature-tracked I-to-V conversion. Its digital core supports readback via DB pins, enabling register verification without external memory.
It features power-on reset with brownout detection, operates in true 4-quadrant multiplication mode using bipolar VREF, and maintains <±1 LSB INL across full scale while delivering 81 dB analog THD at 100 kHz with 3.5 V p-p reference.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit - defines 1,024 discrete output current levels with monotonic transfer function |
| INL | ±1 LSB - ensures end-point linearity error remains within one least-significant step over full code range |
| Update Rate | 20.4 MSPS - enables real-time waveform synthesis up to ~5 MHz Nyquist-limited signals |
| Multiplying Bandwidth | 10 MHz - supports high-frequency modulation of analog signals using external ±10 V reference |
| Supply Range | 2.5 V to 5.5 V - allows direct integration into battery-powered or mixed-voltage embedded systems |
| Operating Temp | –40°C to +125°C - qualified for under-hood automotive, industrial control, and downhole instrumentation |
| Power Consumption | 0.4 µA typical - ultra-low quiescent current preserves battery life in portable calibration tools |
Pinout & Package
AD5433YRU is housed in a 20-lead TSSOP package (4.4 mm × 6.5 mm, 0.65 mm pitch) with exposed thermal pad connected to AGND. Pin functions are validated per Analog Devices Rev. E datasheet Figures 5 and 6 and Table 5.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IOUT1 | DAC Current Output | Primary current source output; connects to external op-amp summing node for voltage output |
| IOUT2 | DAC Analog Ground | Must be tied to system analog ground; sets bias point for 4-quadrant operation and minimizes offset drift |
| GND | Ground Reference | Digital ground return; decoupled separately from AGND to suppress digital noise coupling |
| DB0–DB9 | Parallel Data Inputs | 10-bit wide bus accepting LSB-first data; supports synchronous latch on rising CS edge |
| CS | Chip Select | Active-low enable; rising edge loads data into input latch or initiates readback when R/W = HIGH |
| R/W | Read/Write Control | LOW = write data to latch; HIGH = read DAC register contents back onto DB lines |
| VDD | Positive Supply | 2.5 V–5.5 V logic and core supply; requires local 0.1 µF ceramic decoupling |
| VREF | Reference Input | ±10 V bipolar input; determines full-scale output current magnitude and polarity |
| RFB | Feedback Resistor Terminal | Internal 10 kΩ resistor; connects to op-amp output to close I-to-V loop with matched TC tracking |
Key Features
| Feature | Design Value |
|---|---|
| Fast Parallel Interface | 17 ns write cycle enables direct connection to FPGA or microcontroller GPIO without wait states |
| 4-Quadrant Multiplication | Supports bipolar VREF and bidirectional IOUT1 flow for true analog multiplier applications (e.g., amplitude modulation) |
| Readback Function | Allows real-time verification of loaded DAC code via same DB pins-critical for safety-critical closed-loop systems |
| Power-on Reset | Ensures DAC output defaults to zero scale at power-up; includes brownout detection to prevent erratic behavior during supply ramp |
| Guaranteed Monotonicity | No code-to-code nonmonotonic transitions across –40°C to +125°C-essential for control loop stability |
Applications
| Programmable Gain Amplifier | Waveform Generator |
|---|---|
Use Scenario: Digitally adjusting gain in precision sensor front-ends for multi-range industrial transmitters. IC Role / Device Role / Timing Role: Current-output DAC sets feedback ratio of op-amp-based PGA; VREF provides scaling reference. Use Value: Enables 0.1% gain resolution over 60 dB range with <±1 LSB INL, eliminating mechanical potentiometers and improving long-term calibration stability. | Use Scenario: Generating arbitrary waveforms in portable test equipment and ultrasound beamforming modules. IC Role / Device Role / Timing Role: High-speed current DAC driven by FPGA lookup table; synchronized to 20+ MSPS clock for sub-ns timing control. Use Value: 10 MHz multiplying bandwidth and 20.4 MSPS update rate support clean 5 MHz sine/square outputs with 81 dB THD at 100 kHz. |
| Digitally Controlled Calibration | Programmable Filter |
Use Scenario: Real-time offset/gain trimming of ADC/DAC signal chains in automated test systems. IC Role / Device Role / Timing Role: DAC injects precise correction currents into amplifier bias nodes; readback confirms applied trim value. Use Value: 0.4 µA typical IDD and readback capability allow low-power, self-verifying calibration without host processor intervention. | Use Scenario: Tuning cutoff frequency and Q-factor in active analog filters for communications receivers. IC Role / Device Role / Timing Role: DAC controls resistor values in OTA-C or switched-capacitor filter topologies via voltage-controlled current sources. Use Value: ±10 V reference support and 4-quadrant operation enable symmetric filter coefficient adjustment across positive/negative transfer functions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multiplying DAC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5445YRUZ | 12-bit resolution, higher INL (±1 LSB), same 20-lead TSSOP package and pinout | Better DC precision for calibration; slightly lower SFDR at >100 kHz due to increased settling time | Select when absolute linearity >10-bit is required and update rate ≤15 MSPS suffices |
| AD5424YRUZ | 8-bit resolution, faster settling (30 ns to ±16 mV), identical interface and supply specs | Lower cost and power for less demanding waveform generation where 256-step resolution is acceptable | Select for high-speed, low-complexity applications like LED dimming or basic PWM replacement |
Compared with AD5445YRUZ and AD5424YRUZ, the AD5433YRU offers optimal balance of speed (20.4 MSPS), precision (±1 LSB INL), and power (0.4 µA), making it ideal for mid-tier instrumentation where 10-bit fidelity and 10 MHz bandwidth are jointly required.
Availability
AD5433YRU is available at Aetrix Electronics and suitable for programmable amplifiers, waveform generators, digitally controlled calibration, portable instrumentation, and ultrasound systems requiring stable component supply across extended temperature ranges.
Supply support for AD5433YRU includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The AD5433YRU belongs to the AD5424/AD5433/AD5445 family of multiplying DACs designed specifically for high-fidelity analog signal synthesis, 4-quadrant multiplication, and embedded calibration in harsh-environment industrial and medical systems.
FAQ
What is the maximum reference voltage range supported by the AD5433YRU?
The AD5433YRU supports a reference voltage range of ±10 V at the VREF pin. This bipolar input enables true 4-quadrant multiplication, allowing both positive and negative output current scaling depending on the sign and magnitude of the applied reference. The device maintains specified performance-including ±1 LSB INL and 10 MHz multiplying bandwidth-across this full range when used with appropriate external amplification and layout practices.
Does the AD5433YRU include an internal feedback resistor, and how is it used?
Yes, the AD5433YRU integrates a precision 10 kΩ feedback resistor (RFB) with –50 ppm/°C temperature coefficient. This resistor connects between the IOUT1 node and the external op-amp output to form a closed-loop I-to-V converter. When combined with a low-drift amplifier such as the OP177 or AD8038, it enables temperature-stable voltage output scaling without external resistor matching, reducing board space and drift-related errors in precision applications.
Can the AD5433YRU operate from a single 3.3 V supply?
Yes, the AD5433YRU operates from a single supply ranging from 2.5 V to 5.5 V, including standard 3.3 V rails. At 3.3 V, it maintains full functionality: 20.4 MSPS update rate, 10 MHz multiplying bandwidth, and guaranteed monotonicity. Logic thresholds (VIH = 1.7 V, VIL = 0.6 V) ensure compatibility with 3.3 V CMOS interfaces, and typical supply current drops to 0.4 µA-ideal for battery-powered instrumentation.
How does the readback function work on the AD5433YRU?
The AD5433YRU supports register readback via its DB0–DB9 pins. When R/W is HIGH and CS transitions from LOW to HIGH, the current contents of the DAC register appear on the DB lines within t8 (max 40 ns). This allows host processors to verify written data without external memory or additional control logic-critical for functional safety compliance and fault-tolerant calibration routines in the AD5433YRU.
Is the AD5433YRU pin-compatible with other members of the AD5424/AD5433/AD5445 family?
Yes, the AD5433YRU shares identical 20-lead TSSOP and LFCSP pinouts with the AD5424YRU and AD5445YRU. All three devices use the same DB0–DB9/DB11 mapping (with unused pins NC), identical CS/R/W timing, and common VREF/RFB/IOUT1/IOUT2/GND/VDD placement. This enables hardware reuse across 8-, 10-, and 12-bit variants-only firmware and reference design adjustments are needed when upgrading resolution or precision in the AD5433YRU footprint.
AD5433YRU Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Number of Bits:
- 10
- Number of D/A Converters:
- 1
- Settling Time:
- 120ns
- Output Type:
- Current - Unbuffered
- Differential Output:
- Yes
- Data Interface:
- Parallel
- Reference Type:
- External
- Voltage - Supply, Analog:
- 2.5V ~ 5.5V
- Voltage - Supply, Digital:
- 2.5V ~ 5.5V
- INL/DNL (LSB):
- ±0.5 (Max), ±1 (Max)
- Architecture:
- R-2R
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 20-TSSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD5433YRU FAQ
1.How can I place an order for AD5433YRU through Aetrix?
Please submit a Request for Quotation (RFQ) for AD5433YRU on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AD5433YRU reliable?
The price and inventory of AD5433YRU are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD5433YRU is usually 5 days.
3.What payment methods are accepted for AD5433YRU?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD5433YRU transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD5433YRU?
AD5433YRU orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD5433YRU order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AD5433YRU?
For technical support, including AD5433YRU datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD5433YRU requirements.
6.How does Aetrix verify that AD5433YRU is sourced from the original manufacturer or authorized distributors?
All AD5433YRU products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD5433YRU meets industry standards.
7.What is the process for return or replacement of AD5433YRU?
All AD5433YRU units undergo pre-shipment inspection (PSI). If there is an issue with AD5433YRU, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AD5433YRU part is unused and in its original packaging.
Return procedure for AD5433YRU:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AD5433YRU Tags
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