Overview
The ADN8833ACPZ-R7, produced by Analog Devices Inc., is an ultracompact 1 A thermoelectric cooler (TEC) driver designed for precise digital temperature control. This monolithic H-bridge TEC driver integrates 1 A power MOSFETs and features both a linear power stage and a pulse-width modulation (PWM) power stage. The device is optimized for applications requiring high efficiency and precise temperature control, such as in optical modules and optical networking systems.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Driver Supply Voltage | VPVIN | 2.7 | 5.5 | V | |
| Controller Supply Voltage | VVDD | 2.7 | 5.5 | V | |
| Supply Current | IVDD | 2.1 | 3.5 | mA | |
| Shutdown Current | ISD | 350 | 700 | µA | |
| Undervoltage Lockout (UVLO) | VUVLO | 2.45 | 2.55 | 2.65 | V |
| Reference Voltage | VVREF | 2.475 | 2.50 | 2.525 | V |
| Operating Temperature | -40 | 125 | °C | ||
| Package Type | 24-WFQFN Exposed Pad, CSP | ||||
| Number of Pins | 24 |
Key Features
- Patented high efficiency single inductor architecture
- Integrated low RDSON MOSFETs for TEC driver
- TEC voltage and current operation monitoring
- No external sense resistor required
- Independent TEC heating and cooling current limit settings
- Programmable maximum TEC voltage
- 2 MHz PWM driver switching frequency
- External synchronization
- Digital thermal control loop compatible
- 2.50 V reference output with 1% accuracy
- Available in a 24-ball, 2.5 mm x 2.5 mm WLCSP package
Applications
- TEC temperature control
- Optical modules
- Optical fiber amplifiers
- Optical networking systems
- Instruments requiring TEC temperature control
Q & A
- What is the ADN8833ACPZ-R7 used for?
The ADN8833ACPZ-R7 is used for precise digital temperature control in thermoelectric cooler (TEC) applications.
- What is the supply voltage range of the ADN8833ACPZ-R7?
The supply voltage range is from 2.7 V to 5.5 V.
- What type of package does the ADN8833ACPZ-R7 come in?
The ADN8833ACPZ-R7 comes in a 24-WFQFN Exposed Pad, CSP package.
- Does the ADN8833ACPZ-R7 require an external sense resistor?
No, the ADN8833ACPZ-R7 does not require an external sense resistor.
- What is the PWM driver switching frequency of the ADN8833ACPZ-R7?
The PWM driver switching frequency is 2 MHz.
- Is the ADN8833ACPZ-R7 compatible with digital thermal control loops?
- What is the accuracy of the internal 2.50 V reference voltage?
The internal 2.50 V reference voltage has an accuracy of 1%.
- Can the ADN8833ACPZ-R7 be synchronized externally?
- What are some common applications of the ADN8833ACPZ-R7?
- What is the operating temperature range of the ADN8833ACPZ-R7?
