MCP4725
The MCP4725 is an electronic component from Microchip Technology. View the full MCP4725 datasheet below including electrical characteristics, absolute maximum ratings.
Manufacturer
Microchip Technology
Overview
Part: MCP4725 — Microchip Technology Type: 12-Bit Digital-to-Analog Converter with EEPROM Memory
Description: A low-power, high accuracy, single channel, 12-bit buffered voltage output Digital-to-Analog Converter (DAC) with non-volatile memory (EEPROM) and I2C interface, offering rail-to-rail output and fast settling time.
Operating Conditions:
- Supply voltage: 2.7V to 5.5V
- Operating temperature: -40°C to +125°C
- I2C interface: Standard (100 kbps), Fast (400 kbps), and High-Speed (3.4 Mbps) Modes
Absolute Maximum Ratings:
- Max supply voltage: 6.5V
- Max current at supply pins: ±50 mA
- Max junction temperature: +150°C
- Max storage temperature: -65°C to +150°C
Key Specs:
- Resolution: 12 Bits
- DNL Error: ±0.2 LSB (typical)
- INL Error: ±2 LSB (typical)
- Supply Current (I DD ): 210 μA (typical, digital inputs grounded, output unloaded, Code = 000h)
- Power-Down Current (I DDP ): 0.06 μA (typical, V DD = 5.5V)
- Output Voltage Settling Time (T S ): 6 μs (typical, within 1/2 LSB of final value)
- EEPROM Write Time (TWRITE): 25 ms (typical)
- EEPROM Data Retention: 200 Years (typical, at +25°C)
Features:
- On-Board Non-Volatile Memory (EEPROM)
- External A0 Address Pin
- Normal or Power-Down Mode
- External Voltage Reference (V DD )
- Rail-to-Rail Output
- Low Power Consumption
- I2C Interface with eight available addresses
- Small 6-lead SOT-23 Package
Applications:
- Set Point or Offset Trimming
- Sensor Calibration
- Closed-Loop Servo Control
- Low Power Portable Instrumentation
- PC Peripherals
- Data Acquisition Systems
Package:
- SOT-23-6
Features
- 12-Bit Resolution
- On-Board Non-Volatile Memory (EEPROM)
- ±0.2 LSB DNL (typical)
- External A0 Address Pin
- Normal or Power-Down Mode
- Fast Settling Time: 6 μs (typical)
- External Voltage Reference (V DD )
- Rail-to-Rail Output
- Low Power Consumption
- Single-Supply Operation: 2.7V to 5.5V
- I 2 C TM Interface:
- -Eight Available Addresses
- -Standard (100 kbps), Fast (400 kbps), and High-Speed (3.4 Mbps) Modes
- Small 6-lead SOT-23 Package
- Extended Temperature Range: -40°C to +125°C
Applications
- Set Point or Offset Trimming
- Sensor Calibration
- Closed-Loop Servo Control
- Low Power Portable Instrumentation
- PC Peripherals
- Data Acquisition Systems
Pin Configuration
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1: PIN FUNCTION TABLE
| MCP4725 | Name | Description |
|---|---|---|
| SOT-23 | Name | Description |
| 1 | V OUT | Analog Output Voltage |
| 2 | V SS | Ground Reference |
| 3 | V DD | Supply Voltage |
| 4 | SDA | I 2 C Serial Data |
| 5 | SCL | I 2 C Serial Clock Input |
| 6 | A0 | I 2 C Address Bit Selection pin (A0 bit). This pin can be tied to V SS or V DD , or can be actively driven by the digital logic levels. The logic state of this pin determines what the A0 bit of the I 2 C address bits should be. |
Electrical Characteristics
| Electrical Specifications: Unless otherwise indicated, all parameters apply at V DD = + 2.7V to 5.5V, V SS = 0V, R L = 5 k Ω from V OUT to V SS , C L = 100 pF, T A = -40°C to +125°C. Typical values are at +25°C. | Electrical Specifications: Unless otherwise indicated, all parameters apply at V DD = + 2.7V to 5.5V, V SS = 0V, R L = 5 k Ω from V OUT to V SS , C L = 100 pF, T A = -40°C to +125°C. Typical values are at +25°C. | Electrical Specifications: Unless otherwise indicated, all parameters apply at V DD = + 2.7V to 5.5V, V SS = 0V, R L = 5 k Ω from V OUT to V SS , C L = 100 pF, T A = -40°C to +125°C. Typical values are at +25°C. | Electrical Specifications: Unless otherwise indicated, all parameters apply at V DD = + 2.7V to 5.5V, V SS = 0V, R L = 5 k Ω from V OUT to V SS , C L = 100 pF, T A = -40°C to +125°C. Typical values are at +25°C. | Electrical Specifications: Unless otherwise indicated, all parameters apply at V DD = + 2.7V to 5.5V, V SS = 0V, R L = 5 k Ω from V OUT to V SS , C L = 100 pF, T A = -40°C to +125°C. Typical values are at +25°C. | Electrical Specifications: Unless otherwise indicated, all parameters apply at V DD = + 2.7V to 5.5V, V SS = 0V, R L = 5 k Ω from V OUT to V SS , C L = 100 pF, T A = -40°C to +125°C. Typical values are at +25°C. | Electrical Specifications: Unless otherwise indicated, all parameters apply at V DD = + 2.7V to 5.5V, V SS = 0V, R L = 5 k Ω from V OUT to V SS , C L = 100 pF, T A = -40°C to +125°C. Typical values are at +25°C. |
|---|---|---|---|---|---|---|
| Parameter | Sym | Min | Typ | Max | Units | Conditions |
| Power Requirements | Power Requirements | Power Requirements | Power Requirements | Power Requirements | Power Requirements | Power Requirements |
| Operating Voltage | V DD | 2.7 | 5.5 | V | ||
| Supply Current | I DD | - | 210 | 400 | μA | Digital input pins are grounded, Output pin (V OUT ) is not connected (unloaded), Code = 000h |
| Power-Down Current | I DDP | - | 0.06 | 2.0 | μA | V DD = 5.5V |
| Power-On-Reset Threshold Voltage | V POR | - | 2 | - | V | |
| DC Accuracy | DC Accuracy | DC Accuracy | DC Accuracy | DC Accuracy | DC Accuracy | DC Accuracy |
| Resolution | n | 12 | - | - | Bits | Code Range = 000h to FFFh |
| INL Error | INL | - | ±2 | ±14.5 | LSB | Note 1 |
| DNL | DNL | -0.75 | ±0.2 | ±0.75 | LSB | Note 1 |
| Offset Error | V OS | 0.02 | 0.75 | %of FSR | Code = 000h | |
| Offset Error Drift | Δ V OS /°C | - | ±1 | - | ppm/°C | -45°C to +25°C |
| - | ±2 | - | ppm/°C | +25°C to +85°C | ||
| Gain Error | G E | -2 | -0.1 | 2 | %of FSR | Code = FFFh, Offset error is not included. |
| Gain Error Drift | Δ G E /°C | - | -3 | - | ppm/°C | |
| Output Amplifier | Output Amplifier | Output Amplifier | Output Amplifier | Output Amplifier | Output Amplifier | Output Amplifier |
| Phase Margin | p M | - | 66 | - | Degree(°) | C L = 400 pF, R L = ∞ |
| Capacitive Load Stability | C L | - | - | 1000 | pF | R L = 5 k Ω , Note 2 |
| Slew Rate | SR | - | 0.55 | - | V/μs | |
| Short Circuit Current | I SC | - | 15 | 24 | mA | V DD = 5V, V OUT = Grounded |
| Output Voltage Settling Time | T S | - | 6 | - | μs | Note 3 |
Note
- 1: Test Code Range: 100 to 4000.
- 2: This parameter is ensure by design and not 100% tested.
- 3: Within 1/2 LSB of the final value when code changes from 1/4 to 3/4 (400h to C00h) of full scale range.
- 4: Logic state of external address selection pin (A0 pin).
- † Notice: Stresses above those listed under 'Maximum ratings' may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability
Absolute Maximum Ratings
- All inputs and outputs w.r.t V SS .................-0.3V to V DD +0.3V
- Current at Input Pins ....................................................±2 mA
- Current at Supply Pins ...............................................±50 mA
- Current at Output Pins ...............................................±25 mA
- Storage Temperature ...................................-65°C to +150°C
- Ambient Temp. with Power Applied .............-55°C to +125°C
- ESD protection on all pins ................ ≥ 6 kV HBM, ≥ 400V MM
- Maximum Junction Temperature (T J ) .........................+150°C
Typical Application
The MCP4725 device is one of Microchip's latest DAC device family with non-volatile EEPROM memory. The device is a general purpose resistive string DAC intended to be used in applications where a precision, and low power DAC with moderate bandwidth is required.
Since the device includes non-volatile EEPROM memory, the user can use this device for applications that require the output to return to the previous set-up value on subsequent power-ups.
Applications generally suited for the MCP4725 device family include:
- Set Point or Offset Trimming
- Sensor Calibration
- Portable Instrumentation (Battery Powered)
- Motor Speed Control
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| MCP4725A0T-E/CH | Microchip Technology | SOT-23-6 |
| MCP4725A1T-E/CH | Microchip Technology | SOT-23-6 |
| MCP4725A2T-E/CH | Microchip Technology | — |
| MCP4725A3T-E/CH | Microchip Technology | — |
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