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MCP4728T-E/UN
MSOP-10 (3x3mm)
The MCP4728T-E/UN from Microchip is a quad 12-bit voltage-output DAC with I2C interface, EEPROM for default values, and rail-to-rail output in MSOP-10.
| Package | MSOP-10 (3x3mm) |
The MCP4728T-E/UN from Microchip is a quad 12-bit voltage-output DAC with I2C interface, EEPROM for default values, and rail-to-rail output in MSOP-10.
The MCP4728T-E/UN is a quad 12-bit voltage-output DAC with I2C interface and EEPROM from Microchip in MSOP-10. Each DAC channel has an independent output amplifier that swings rail-to-rail (0V to VDD). The output voltage is VOUT = (D/4096) x VREF, where D is the 12-bit digital code (0-4095) and VREF can be VDD or an external voltage applied to the VREF pin. The I2C interface supports standard (100kHz), fast (400kHz), and high-speed (3.4MHz) modes. The device has volatile (RAM) and non-volatile (EEPROM) registers: writing to RAM updates the output immediately; the EEPROM stores power-on default values so the DAC outputs are set before the MCU boots. The LDAC pin allows synchronous update of all four channels: data is loaded into input registers via I2C, then LDAC pulse transfers all input registers to DAC registers simultaneously. The EEPROM supports 1 million write cycles. Channel gain can be individually set to 1x or 2x via configuration bits. The device address is configurable (A0-A2 in EEPROM), allowing up to 8 MCP4728 devices on one I2C bus (32 DAC channels total).
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VOUTA | Output | DAC channel A output |
| 2 | VOUTB | Output | DAC channel B output |
| 3 | VOUTC | Output | DAC channel C output |
| 4 | VOUTD | Output | DAC channel D output |
| 5 | VREF | Analog Input | External reference voltage input |
| 6 | VDD | Power | Supply (2.7-5.5V) |
| 7 | SDA | I/O | I2C data (bidirectional) |
| 8 | SCL | Input | I2C clock |
| 9 | LDAC | Input | DAC latch update (active low, optional) |
| 10 | VSS | Power | Ground |
| Manufacturer | Part Number | Package | Notes |
|---|---|---|---|
| Microchip | MCP4728-E/UN | MSOP-10 | Same device, tube package |
| Texas Instruments | DAC43608DSGR | WSON-10 | 8-channel 10-bit DAC, I2C |
| Analog Devices | AD5625RBCPZ-1RL7 | LFCSP-16 | Quad 12-bit DAC, int ref |
| Maxim | MAX5816BATB+T | TSSOP-20 | Quad 12-bit DAC, I2C, int ref |
| Microchip | MCP4922T-E/SN | SOIC-8 | Dual 12-bit DAC, SPI, lower pin count |
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
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