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Analog Devices Inc. AD5680BCPZ-1500RL7
- Part No.:
- AD5680BCPZ-1500RL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Digital to Analog Converters (DAC)
- Package:
- 8-WDFN, CSP
- Datasheet:
-
AD5680BCPZ-1500RL7.pdf
- Description:
- IC DAC 18BIT V-OUT 8LFCSP-WD
- Quantity:
- Payment:
- Shipping:
Inventory:3,782
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Product details
Overview
AD5680BCPZ-1500RL7 from Analog Devices is a single-channel, 18-bit buffered voltage-output DAC in an 8-lead SOT-23 package, operating from 4.5 V to 5.5 V with rail-to-rail output swing, 85 μs settling time, and 1.6 mW typical power consumption at 5 V. It requires an external reference and powers up to zero scale.
For engineers reviewing the AD5680BCPZ-1500RL7 datasheet, AD5680BCPZ-1500RL7 pinout, AD5680BCPZ-1500RL7 application, or AD5680BCPZ-1500RL7 equivalent, key selection criteria include guaranteed 12-bit accuracy over 18-bit resolution, ±1 LSB DNL (50 Hz bandwidth), SYNC-interrupt-capable 3-wire SPI-compatible interface up to 30 MHz, and −40°C to +105°C industrial temperature range.
Technical Context
The AD5680BCPZ-1500RL7 implements an 18-bit resolution via 16-bit resistor string DAC core plus 2-bit interpolator architecture, delivering monotonic transfer function with 18-bit linearity validated by design. Its output amplifier provides rail-to-rail operation with 1.5 V/μs slew rate and supports remote sensing via exposed VFB pin.
It uses a 24-bit serial frame with SYNC-active-low framing, DIN data latched on SCLK falling edges, and full update synchronized to the 24th clock edge. Power-on reset ensures deterministic zero-scale startup, and DC PSRR is −100 dB at midscale with VDD = 5 V ±10%.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 18 bits - defines 262,144 discrete output steps across full scale |
| Differential Nonlinearity | ±1 LSB (50 Hz BW) - guarantees monotonicity for closed-loop stability |
| Output Settling Time | 85 μs (¼ to ¾ scale) - enables ≤11.8 kHz update rate in stable control loops |
| Supply Current | 450 μA max (5 V) - supports battery-powered instruments with low quiescent draw |
| Reference Input Range | 0.75 V to VDD - allows flexible reference sourcing including internal VDD |
| Operating Temperature | −40°C to +105°C - qualified for industrial embedded and process control environments |
| Serial Clock Max Rate | 30 MHz - compatible with high-speed DSPs and microcontrollers without timing margin loss |
Pinout & Package
AD5680BCPZ-1500RL7 is housed in an 8-lead SOT-23 package (JEDEC MO-178AA), with 0.65 mm pitch, 2.9 mm × 1.6 mm footprint, and thermal resistance θJA = 119°C/W on 4-layer board.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | 4.5 V to 5.5 V single supply; decoupling to GND required for noise immunity |
| VREF | Reference voltage input | Defines full-scale output range; accepts 0.75 V to VDD; draws 40–75 μA |
| VFB | Inverting input of output amplifier | Must connect to VOUT for normal operation; enables remote sensing if routed separately |
| VOUT | Analog voltage output | Rail-to-rail (0 V to VDD); drives 2 kΩ || 1 nF; short-circuit current = 30 mA |
| GND | Ground reference | Common return for analog and digital sections; critical for PSRR and noise performance |
| DIN | Serial data input | 24-bit MSB-first frame; data latched on SCLK falling edge; 3 pF pin capacitance |
| SCLK | Serial clock input | Falling-edge-triggered; supports up to 30 MHz; t2/t3 ≥13 ns high/low time |
| SYNC | Frame synchronization (active low) | Initiates write sequence; rising edge before 24th SCLK acts as interrupt and aborts update |
Key Features
| Feature | Design Value |
|---|---|
| 18-bit monotonic DAC core | Guaranteed no code misses across full temperature range; essential for precision setpoint control |
| Power-on reset to zero scale | Ensures known safe output state (0 V) at power-up; eliminates uncontrolled actuator movement |
| SYNC interrupt capability | Enables real-time command cancellation by asserting SYNC high mid-transfer; prevents partial updates |
| Rail-to-rail output amplifier | Delivers full dynamic range (0 V to VDD) into 2 kΩ load; supports headroom down to 100 mV at rails |
| Low-glitch architecture | Digital-to-analog glitch impulse = 5 nV·s - minimizes transient disturbance during code transitions |
Applications
| Process Control Actuation | Portable Instrument Calibration |
|---|---|
|
Use Scenario: Precise analog voltage generation for valve positioners and PID controller outputs in chemical plant automation. IC Role / Device Role / Timing Role: Voltage-output DAC providing stable, low-drift setpoints with guaranteed monotonicity to prevent oscillatory control behavior. Use Value: ±1 LSB DNL and −40°C to +105°C operation ensure loop stability under harsh environmental conditions without recalibration. |
Use Scenario: Offset/gain trimming in handheld multimeters and portable oscilloscope front-ends. IC Role / Device Role / Timing Role: Precision calibration DAC adjusting reference levels and amplifier bias points during factory test and field service. Use Value: 18-bit resolution and 12-bit accuracy guarantee sub-mV trim resolution across battery life and temperature drift. |
| Industrial Data Acquisition | Battery-Powered Sensor Excitation |
|
Use Scenario: Low-bandwidth sensor excitation (e.g., RTD, strain gauge bridges) in distributed I/O modules. IC Role / Device Role / Timing Role: Stable, low-noise voltage source driving bridge circuits with minimal self-heating and thermal EMF impact. Use Value: 80 nV/√Hz noise spectral density and 25 μVp-p (0.1–10 Hz) enable <1 μV RMS noise floor in 100 ms integration windows. |
Use Scenario: Programmable bias voltage for MEMS accelerometers and low-power analog front-ends in IoT nodes. IC Role / Device Role / Timing Role: Energy-efficient DAC supplying regulated excitation while drawing only 450 μA in active mode. Use Value: 1.6 mW typical power at 5 V extends coin-cell or Li-ion battery life beyond 1 year in duty-cycled sensor systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage-output DAC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5662BCPZ-1500RL7 | 16-bit resolution, same SOT-23 package, identical pinout and interface; lower INL (±4 LSB) and DNL (±0.5 LSB) | Lower cost for applications where 16-bit precision suffices; lacks 18-bit interpolation architecture | Select when resolution requirement is ≤16 bits and BOM cost sensitivity outweighs need for ultra-fine setpoint granularity |
| AD5683RBCPZ-1RL7 | 16-bit DAC with integrated 2.5 V reference; same 8-lead SOT-23; higher supply current (650 μA); no VREF pin | Reduces external component count but sacrifices reference flexibility and full-scale range programmability | Choose when system-level reference stability is less critical than board space and bill-of-materials simplification |
Compared with AD5680BCPZ-1500RL7, AD5662BCPZ-1500RL7 trades 2 bits of resolution for tighter DNL and lower cost, while AD5683RBCPZ-1RL7 eliminates external reference dependency at the expense of adjustable full-scale range and higher quiescent power.
Availability
AD5680BCPZ-1500RL7 is available at Aetrix Electronics and suitable for closed-loop process control, portable battery-powered instruments, and precision setpoint control requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for AD5680BCPZ-1500RL7 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 semiconductor leader specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision measurement and control.
The AD5680BCPZ-1500RL7 belongs to the nanoDAC® family, engineered for applications demanding high-resolution, low-power, and small-footprint voltage generation in industrial and portable instrumentation.
FAQ
What is the power-on reset behavior of the AD5680BCPZ-1500RL7?
The AD5680BCPZ-1500RL7 powers up to zero scale (0 V output) due to its AD5680-1 variant designation. The output remains at 0 V until a valid 24-bit serial write completes, ensuring predictable initial state for safety-critical actuation. This behavior is implemented by an on-chip power-on reset circuit independent of external components.
Does the AD5680BCPZ-1500RL7 require an external reference voltage?
Yes, the AD5680BCPZ-1500RL7 requires an external reference voltage applied to the VREF pin to define its output full-scale range. It accepts 0.75 V to VDD (4.5–5.5 V), and reference current is 40–75 μA at 5 V. No internal reference is present - using VDD as reference is permissible but limits output range to VDD.
What is the maximum capacitive load the AD5680BCPZ-1500RL7 can drive stably?
The AD5680BCPZ-1500RL7 maintains stability with up to 2 nF capacitive load when driving an open circuit (RL = ∞), and up to 10 nF when loaded with 2 kΩ to ground. Exceeding these values may cause ringing or overshoot; external isolation resistors are recommended for heavier loads.
How does the interpolator architecture achieve 18-bit resolution in the AD5680BCPZ-1500RL7?
The AD5680BCPZ-1500RL7 uses a 16-bit resistor string DAC core combined with a 2-bit interpolator that dithers between adjacent 16-bit codes. The 18-bit input splits into DB19–DB4 (16-bit code) and DB3–DB2 (2-bit duty cycle control), enabling 25% increments between integer steps - achieving effective 18-bit resolution without requiring ultra-precision thin-film resistors.
Is the AD5680BCPZ-1500RL7 pin-compatible with other nanoDAC devices in SOT-23?
No - the AD5680BCPZ-1500RL7 shares the same 8-lead SOT-23 package and pinout with AD5662 and AD5683R variants, but functional differences exist. For example, AD5683R replaces VREF with VCC and integrates a reference, altering reference path and supply requirements. Direct substitution requires validation of reference topology, power sequencing, and register mapping.
AD5680BCPZ-1500RL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- nanoDAC®
- Package/Case:
- 8-WDFN, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Number of Bits:
- 18
- Number of D/A Converters:
- 1
- Settling Time:
- 85µs
- Output Type:
- Voltage - Buffered
- Differential Output:
- No
- Data Interface:
- SPI, DSP
- Reference Type:
- External
- Voltage - Supply, Analog:
- 5V
- Voltage - Supply, Digital:
- 5V
- INL/DNL (LSB):
- ±32, ±2 (Max)
- Architecture:
- String DAC
- Operating Temperature:
- -40°C ~ 105°C
- Supplier Device Package:
- 8-LFCSP-WD (3x3)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD5680BCPZ-1500RL7 FAQ
1.How can I place an order for AD5680BCPZ-1500RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD5680BCPZ-1500RL7 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 AD5680BCPZ-1500RL7 reliable?
The price and inventory of AD5680BCPZ-1500RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD5680BCPZ-1500RL7 is usually 5 days.
3.What payment methods are accepted for AD5680BCPZ-1500RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD5680BCPZ-1500RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD5680BCPZ-1500RL7?
AD5680BCPZ-1500RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD5680BCPZ-1500RL7 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 AD5680BCPZ-1500RL7?
For technical support, including AD5680BCPZ-1500RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD5680BCPZ-1500RL7 requirements.
6.How does Aetrix verify that AD5680BCPZ-1500RL7 is sourced from the original manufacturer or authorized distributors?
All AD5680BCPZ-1500RL7 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 AD5680BCPZ-1500RL7 meets industry standards.
7.What is the process for return or replacement of AD5680BCPZ-1500RL7?
All AD5680BCPZ-1500RL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD5680BCPZ-1500RL7, 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 AD5680BCPZ-1500RL7 part is unused and in its original packaging.
Return procedure for AD5680BCPZ-1500RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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