AFE20408
- Eight analog outputs
- Eight monotonic DACs: 1.22mV resolution
- Automatically configured
output ranges:
- Positive output voltage: 0V to 10V
- Negative output voltage: –10V to 0V
- High current drive capability
- High capacitive load tolerance
- Output on and off control
switches
- Fast switching time
- Low resistance
- Multichannel ADC monitor
- Two high-voltage external inputs: 0V to 85V
- Two high-side current-sense amplifiers: up to 85V common mode range
- Local temperature sensor: ±2.5°C error
- Output sequence control for start-up and shutdown events
- Internal 2.5V reference
- SPI and I2C interface: 1.65V to 3.6V
operation
- SPI: 4-wire interface
- I2C: 16 target addresses
- Specified temperature range: –40°C to +125°C
- Operating temperature range –55°C to +150°C
The AFE20408 is a highly integrated power-amplifier (PA) monitor and control device capable of temperature, current, and voltage supervision.
The AFE20408 bias controller is based around eight digital-to-analog converters (DACs) with programmable output ranges. The eight gate bias outputs are switched on and off through dedicated control pins. The gate bias switches are designed for fast response and enable correct power sequencing and protection of depletion-mode transistors, such as GaAs and GaN.
The AFE20408 supervisor is based around an accurate multichannel analog-to-digital converter (ADC). The device integrates two high-voltage inputs, two high-side current-sense amplifiers and an accurate on-chip temperature sensor.
The function integration and wide operating temperature range make the AFE20408 an excellent choice as an all-in-one, bias control circuit for power amplifiers. The flexible DAC output ranges and built-in sequencing features let the device be used as a biasing controller for a large variety of transistor technologies, such as LDMOS, GaAs, and GaN.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | AFE20408 8-Channel Power-Amplifier Monitor and Controller datasheet | PDF | HTML | 2024. 4. 5 | |
| 애플리케이션 노트 | Biasing GaN and LDMOS RF Power Amplifiers in Aerospace and Defense | PDF | HTML | 2024. 3. 8 | ||
| 인증서 | AFE20408EVM EU Declaration of Conformity (DoC) | PDF | HTML | 2023. 11. 14 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
AFE20408EVM — AFE20408 평가 모듈
AFE20408EVM-GUI — AFE20408EVM GUI Installer
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| VQFN (RHB) | 32 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.