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F39512

PA Bias Controller

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-  Six 13-bit DAC output channels
- Selectable range: 
1) -10V to 0V (GaN applications)
2) 0 to 5V (LDMOS applications)
- High current capability: 
1) Sourcing: up to 100mA 
2) Sinking: up to 30mA 
- Auto-range detector
- Selectable clamp voltage
- Output On/Off control
- Switching delay TSW 500ns (max)
- Switch Ron 1.5Ω (typical)
- 12-bit SAR ADC
- 1 remote temperature sensing input
- Out of range alarm
- Internal temperature sensor, Accuracy: -40°C to 125°C, ±3.5°C
- Configurable I3C basic/I2C and SPI interface
- Absolute maximum junction temperature: -40°C to +150°C
- Specification temperature (Exposed pad): -40°C to +125°C
- 4 × 4 mm 24-VFQFPN package

The F39512 is a precise, temperature-stable bias controller for RF power amplifier (PA) applications. The F39512 features six 13-bit DACs with two auxiliary DACs providing a programmable clamp voltage, one -40°C to 150°C internal temperature sensor, and one 12-bit ADC for internal and remote temperature supervision of an RF power amplifier
Competitive Advantages

-Precise programmable bias generation
- Wide operating temperature range
- High Sourcing and Sinking DAC output current

Product Documents

Datasheet

2026-06-11

F39512 Datasheet

pdf | 3.3 MB
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Part Number (4)

RRF39512-B00

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RRF39512-K00

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RTKRF39512-000

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F39512

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