MCP4706A0T-E/CH Microchip Integrated Circuit (SOT23 (6-Pin)) In Stock
The MCP4706A0T-E/CH is an 8-bit single-channel DAC from Microchip with I2C serial interface and rail-to-rail output from 0.01 V to 5.46 V. It features non-volatile memory to retain the last programmed output value after power cycling. Packaged in a 6-pin SOT-23 for minimal board space in portable and embedded designs.
- Manufacturer
- Microchip
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- MCP4706A0T-E/CH Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7050(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit resolution with rail-to-rail output covering 0.01 V to 5.46 V
- I2C serial interface with selectable addresses supporting multi-device buses
- Non-volatile EEPROM stores DAC setting for power-on default without MCU intervention
- Ultra-compact 6-pin SOT-23 package under 3 mm x 3 mm footprint
- Single-supply operation from 2.7 V to 5.5 V for direct 3.3 V or 5 V rail use
Applications
The MCP4706A0T-E/CH is used as a programmable bias or reference voltage source in sensor calibration circuits, adjustable LED driver boards, and audio volume control stages. Its non-volatile output setting makes it ideal for systems that must restore a specific analog reference level on power-up without MCU initialization code running first. Designers integrate it into I2C sensor hubs, motor controllers, and embedded computing modules where the tiny SOT-23 footprint preserves precious PCB real estate.
Specifications
| Manufacturer Package Code | SOT-23-6 |
| Factory Lead Time | 8Weeks |
| YTEOL | 13 |
| Analog Output Voltage-Max | 5.46V |
| Analog Output Voltage-Min | 0.01V |
| Converter Type | D/A CONVERTER |
| Input Bit Code | BINARY |
| Input Format | SERIAL |
| JESD-30 Code | R-PDSO-G6 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.3543% |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Settling Time-Nom (tstl) | 6 µs |
| Supply Current-Max | 0.4mA |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Package | SOT23 (6-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MCP4706A0T-E/CH:
D/A Converter, 1 Func, Serial Input Loading, 6us Settling Time, PDSO6
D/A Converter, 1 Func, Serial Input Loading, 6us Settling Time, PDSO6
Frequently Asked Questions
What I2C address options does MCP4706A0T-E/CH offer, and how many devices can share one bus?
The MCP4706A0T-E/CH has a factory-programmed I2C address with two least-significant bits selectable through the A0 address pin, allowing up to 8 devices to coexist on the same 400 kHz I2C bus. This enables a single microcontroller to control 8 independent analog output channels without any SPI chip-select lines, simplifying multi-output designs in sensor calibration or multi-zone temperature control systems.
Does MCP4706A0T-E/CH retain its output value after power is removed, and how is this useful in practice?
Yes. The MCP4706A0T-E/CH stores its 8-bit DAC value in internal EEPROM, so the programmed analog output (anywhere from 0.01 V to 5.46 V) reappears immediately on power-up without any I2C command from the host MCU. This eliminates the brief window during boot where an uninitialized reference voltage could cause downstream circuitry — such as a comparator threshold or LCD contrast adjust — to misbehave.
What output resolution does the 8-bit MCP4706A0T-E/CH provide, and is it adequate for audio or precision analog applications?
At 8-bit resolution, the MCP4706A0T-E/CH produces 256 discrete steps. With a 5 V reference, each step is approximately 19.6 mV, which is sufficient for programmable gain control, LCD bias adjustment, and soft-start ramp generation. For precision analog applications requiring less than 5 mV step size, Microchip's MCP4726 (12-bit) in the same SOT-23 footprint is the direct upgrade path.
What supply voltage range does MCP4706A0T-E/CH support, and can it directly drive a 10 kΩ load?
The MCP4706A0T-E/CH operates from 2.7 V to 5.5 V. Its rail-to-rail output buffer can drive resistive loads down to 5 kΩ to ground while maintaining the specified linearity, and a 10 kΩ load is well within this drive capability. Output settling time is typically 6 µs to within 0.5 LSB for a full-scale code change, making it fast enough for dynamic reference adjustments in switching regulator control loops.
How does MCP4706A0T-E/CH compare to a discrete resistor-divider reference for bias generation in terms of flexibility?
A fixed resistor divider sets a bias voltage at production time and requires a PCB rework to change it. The MCP4706A0T-E/CH allows firmware to program any one of 256 voltage levels between 0.01 V and 5.46 V via a 2-wire I2C command, enabling field calibration, adaptive thresholding, and software-configurable gain stages. The SOT-23 package adds under 10 mm² to the PCB area, making the flexibility essentially free in space-constrained designs.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.0400 | $1.04 |
| 10+ | $0.9610 | $9.61 |
| 25+ | $0.8840 | $22.10 |
| 500+ | $0.7820 | $391.00 |
| 1000+ | $0.7740 | $774.00 |
| 3000+ | $0.7050 | $2115.00 |
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