AD5061BRJZ-1500RL7 - 16-Bit nanoDAC, SOT-23-8 | Analog Devices
MPN: AD5061BRJZ-1500RL7 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.93 | $7.93 |
| 10 | $7.14 | $71.40 |
| 100 | $6.35 | $635.00 |
| 500 | $5.4 | $2,700.00 |
| 1,000 | $4.85 | $4,850.00 |
AD5061BRJZ-1500RL7 Overview
A nanoDAC is a small-footprint, low-power digital-to-analog converter designed for portable, industrial, and process-control applications where board area and quiescent current are at a premium. The DAC category, devices convert to analog belongs to the data-converter hierarchy, which sits inside the broader mixed-signal IC family. The AD5061 integrates an on-chip reference buffer and accepts an external reference through the VREF pin, allowing the user to trade full-scale output swing against temperature drift. A versatile 3-wire serial interface (compatible with SPI, QSPI, MICROWIRE, and DSP) operates down to 1.8 V on the logic inputs, simplifying connection to modern low-voltage controllers.
Key features include a 1.3 MSPS update rate, three power-down modes that reduce current draw to microampere levels between conversions, and a rail-to-rail output amplifier that swings within a few millivolts of either supply. Power-on-reset circuitry holds the DAC output at the programmed reset level (mid-scale for -1500, zero-scale for -2500) until a valid write occurs, preventing spurious outputs during microcontroller brown-out or hot-plug events.
Typical applications span industrial process control (4-20 mA loop calibration with an external op-amp), digital gain and offset adjustment in instrumentation, programmable voltage and current sources, and portable battery-powered instruments where the 3 V supply and 1.8 V-compatible digital interface enable direct connection to coin-cell-powered microcontrollers without level shifters.
When laying out the PCB, place the 0.1 uF decoupling capacitor as close as possible to the VDD pin and use a low-ESR reference bypass capacitor on VREF. The SOT-23-8 package has a junction-to-ambient thermal resistance of approximately 190 C/W, which is acceptable for the part's sub-milliwatt quiescent dissipation. Watch the layout: the 8-pin SOT-23 footprint differs from the LFCSPIN SOS/8-pin MSOP footprint, so do not assume pin-compatibility with the AD5062 family.
Drop-in alternatives for AD5061BRJZ-1500RL7 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
AD5061BRJZ-2500RL7
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AD5061BRJZ-1REEL7
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AD5060BRJZ-2REEL7
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AD5060YRJZ-1REEL7
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AD5062BRJZ-2500RL7
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AD5062BRJZ-1REEL7
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AD5061BRJZ-1500RL7 Maximum Ratings & Electrical Characteristics
| Manufacturer | Analog Devices Inc. |
| Product Family | nanoDAC (16-bit buffered voltage-output DAC) |
| Resolution | 16 bit |
| Number of Channels | 1 |
| Supply Voltage (VDD) | 2.7 V to 5.5 V |
| Digital Logic Compatibility | 1.8 V to 5.5 V (SPI/QSPI/MICROWIRE/DSP) |
| Update Rate | 1.3 MSPS |
| Integral Nonlinearity (INL) | +/-4 LSB (max) |
| Differential Nonlinearity (DNL) | +/-1 LSB (max) |
| Monotonicity | Guaranteed 16-bit monotonic |
| Power-on Reset Level | Mid-scale (suffix -1500) |
| Reference Input (VREF) | External, with on-chip reference buffer |
| Output Type | Voltage (rail-to-rail output amplifier) |
| Power-Down Modes | Three (per datasheet) |
| Package | SOT-23-8 (RJ-8), tape and reel (7-inch reel) |
| Operating Temperature | -40 C to +125 C (Automotive screening level per ADI) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
AD5061BRJZ-1500RL7 Pin Configuration
| Pin 1 | VDD — Analog supply, 2.7 V to 5.5 V |
| Pin 2 | VREF — External reference voltage input (with on-chip buffer) |
| Pin 3 | GND — Analog ground |
| Pin 4 | VOUT — Buffered DAC analog output (rail-to-rail) |
| Pin 5 | NC — Not connected (per datasheet) |
| Pin 6 | NC — Not connected (per datasheet) |
| Pin 7 | SDIN — Serial data input (SPI MOSI) |
| Pin 8 | SCLK — Serial clock input |
Typical Applications
AD5061BRJZ-1500RL7 is suitable for 7 applications: Industrial Process Control (4-20 mA Calibration), Digital Gain and Offset Adjustment, Programmable Voltage and Current Source, Portable Battery-Powered Instruments, Audio Attenuation and Channel Trim, Optical Module Bias Control, Sensor Calibration in IoT Edge Nodes.
Industrial Process Control (4-20 mA Calibration)
The AD5061's 16-bit resolution and +/-4 LSB INL are well-matched to industrial process-control loops, where the DAC sets a precision voltage that an external op-amp and transistor convert into the industry-standard 4-20 mA current loop. Its 2.7 V to 5.5 V supply range tolerates the typical 24 V industrial bus after regulation, while the SOT-23-8 footprint fits inside the compact smart-transmitter housing. The mid-scale power-on reset (-1500 variant) holds the loop at 12 mA at power-up, which is exactly what HART and Foundation Fieldbus compliant devices require for failsafe startup.
Recommended
Digital Gain and Offset Adjustment
The AD5061 is widely used in instrumentation to provide digital adjustment of gain and offset, replacing mechanical trimpots that suffer from vibration, contamination, and hand-tuning cost. Its 16-bit resolution (65536 steps) gives a step size finer than 1 mV on a 5 V full scale, which exceeds the resolution of nearly all sensor bridges. The 3-wire SPI-compatible interface allows the host MCU to update the DAC on demand or continuously trim the analog chain against an ADC reading, while the 1.8 V digital compatibility permits direct connection to low-voltage Cortex-M microcontrollers.
Recommended
Programmable Voltage and Current Source
Combined with an external power op-amp and pass transistor, the AD5061 forms the heart of a programmable voltage or current source for ATE, bench instrumentation, and laboratory-grade bias supplies. The 1.3 MSPS update rate supports fast arbitrary waveforms for sourcing-measure unit (SMU) applications. Three user-selectable power-down modes drop quiescent current to microampere levels between commands, reducing thermal drift in precision applications. The SOT-23-8 footprint makes the DAC easy to place next to the analog front-end on a compact daughter card.
Recommended
Portable Battery-Powered Instruments
The AD5061's 2.7 V minimum supply and 1.8 V digital interface compatibility make it ideal for portable, battery-powered instruments such as handheld multimeters, portable gas detectors, and field calibration tools. Quiescent current is typically 0.2 mA at 5 V (about 1 mW), and the lowest power-down mode reduces this to single-digit microampere levels for sleep states. The SOT-23-8 footprint and small external component count enable compact designs where PCB area is at a premium, such as inside a smartphone-form-factor housing.
Recommended
Audio Attenuation and Channel Trim
Although not designed specifically for audio, the AD5061 is sometimes used as a digital volume control in budget audio applications where 16-bit step resolution and rail-to-rail output swing exceed the dynamic range of the human ear (about 96 dB). Its +/-4 LSB INL keeps the volume taper smooth and click-free during attenuation. The 1.8 V digital interface compatibility allows direct connection to Bluetooth audio SoCs, and the SOT-23-8 footprint fits next to the codec on space-constrained headphone amplifier boards.
Recommended
Optical Module Bias Control
The AD5061 is well-suited to bias control of laser diodes and Mach-Zehnder modulators in optical modules, where 16-bit resolution sets bias current with microampere granularity. Its 1.3 MSPS update rate supports closed-loop bias control algorithms running at servo rates of 100 kHz or higher. The small SOT-23-8 package fits inside QSFP-DD and OSFP optical modules where PCB real estate is at an absolute premium, and the 1.8 V digital interface connects directly to the module's host ASIC. The mid-scale reset ensures the laser powers up at a safe midpoint rather than full scale.
Recommended
Sensor Calibration in IoT Edge Nodes
Edge IoT nodes use the AD5061 to perform digital calibration of analog sensor readings, compensating for offset and gain drift caused by temperature, humidity, and aging effects in MEMS accelerometers, pressure sensors, and gas sensors. The 16-bit resolution (65536 steps) gives finer adjustment than the sensor's intrinsic noise floor, while the 3-wire SPI interface lets the host microcontroller update calibration values on the fly. The SOT-23-8 package and 0.2 mA quiescent current suit battery-powered environmental nodes that must operate for years on a single coin cell.
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Recommended Products Summary
Engineering reference data for AD5061BRJZ-1500RL7 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AD5061BRJZ-2500RL7 | AD5061BRJZ-1REEL7 | AD5060BRJZ-2REEL7 | AD5062BRJZ-2500RL7 |
|---|---|---|---|---|---|
| Package | SOT-23-8 (RJ-8) | SOT-23-8 (RJ-8) - same | SOT-23-8 (RJ-8) - same | SOT-23-8 (RJ-8) - same | SOT-23-8 (RJ-8) - same |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 16 bit | 16 bit | 16 bit | 16 bit | 16 bit |
| Power-on Reset Level | Mid-scale (suffix -1500) | Zero-scale (suffix -2500) | Mid-scale / variant-dependent | Variant-dependent | Zero-scale (suffix -2500) |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| INL (max) | +/-4 LSB | +/-4 LSB | +/-4 LSB | +/-4 LSB | +/-4 LSB |
| DNL (max) | +/-1 LSB | +/-1 LSB | +/-1 LSB | +/-1 LSB | +/-1 LSB |
| Update Rate | 1.3 MSPS | 1.3 MSPS | 1.3 MSPS | 1.3 MSPS | 1.3 MSPS |
Key Differentiators
- Industry's smallest 16-bit DAC with on-chip reference buffer (vs AD5062BRJZ-2500RL7)
- Mid-scale power-on reset for failsafe bipolar control (vs AD5061BRJZ-2500RL7)
- 1.8 V-compatible digital interface (vs AD5060BRJZ-2REEL7)
Design Notes
Place a 0.1 uF X7R ceramic decoupling capacitor as close as possible to the VDD pin, ideally within 2 mm. For best full-scale accuracy, also add a 10 uF bulk capacitor on the VDD rail at the PCB power entry. The on-chip reference buffer powers up soft, so the first character of the reference voltage may take 100 us to settle; allow adequate warm-up before precision measurements.
Do not confuse the AD5061 (SOT-23-8) with the AD5062 (LFCSP-8 / SOT-23-8 different pinout variant). Verify the package logo and pin-1 dot marker against the datasheet before soldering. Also note the power-on-reset suffix: -1500 = mid-scale (this part), -2500 = zero-scale; using the wrong variant can damage downstream loads at power-up if the DAC defaults to full scale unexpectedly.
Route the serial SPI traces (SDIN, SCLK) as short as possible and avoid running them parallel to switching converter traces. Use a ground guard trace between the digital SPI bus and the analog VREF/VOUT traces to minimize digital-to-analog crosstalk. The VREF pin is high-impedance and sensitive to leakage; route it with short, guard-ringed traces and use a low-leakage ceramic bypass capacitor.
Compliance Information
RoHS and REACH compliance per Analog Devices product page. Automotive screening level noted by DigiChip; AEC-Q100 grade and series detection not explicitly stated in available data, marked unknown. Lead-free matte-tin terminations suitable for reflow up to 260 C peak per JEDEC J-STD-020.
