신규

THS3470

활성

60V, 100MHz, 1A 출력 전류 고속 전원 증폭기

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데이터 시트

document-pdfAcrobat THS3470 60V, 1A, 70MHz, 6500V/μs, High-Speed Power Amplifier datasheet (Rev. A) (영어) PDF | HTML

THS3470

활성

데이터 시트

지금 주문하기

제품 상세 정보

Architecture

Current FB

Number of channels

1

Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)

12

Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)

60

GBW (typ) (MHz)

100

BW at Acl (MHz)

160

Acl, min spec gain (V/V)

1

Slew rate (typ) (V/µs)

6500

Vn at flatband (typ) (nV√Hz)

1.7

Vn at 1 kHz (typ) (nV√Hz)

3.15

Iq per channel (typ) (mA)

33

Vos (offset voltage at 25°C) (max) (mV)

1.1

Rail-to-rail

No

Features

Adj Current Limit, Error Flag, Shutdown

Rating

Catalog

Operating temperature range (°C)

-40 to 125

CMRR (typ) (dB)

72

Input bias current (max) (pA)

18000000

Offset drift (typ) (µV/°C)

2

Iout (typ) (mA)

1000

2nd harmonic (dBc)

90

3rd harmonic (dBc)

79

Frequency of harmonic distortion measurement (MHz)

10

Architecture

Current FB

Number of channels

1

Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)

12

Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)

60

GBW (typ) (MHz)

100

BW at Acl (MHz)

160

Acl, min spec gain (V/V)

1

Slew rate (typ) (V/µs)

6500

Vn at flatband (typ) (nV√Hz)

1.7

Vn at 1 kHz (typ) (nV√Hz)

3.15

Iq per channel (typ) (mA)

33

Vos (offset voltage at 25°C) (max) (mV)

1.1

Rail-to-rail

No

Features

Adj Current Limit, Error Flag, Shutdown

Rating

Catalog

Operating temperature range (°C)

-40 to 125

CMRR (typ) (dB)

72

Input bias current (max) (pA)

18000000

Offset drift (typ) (µV/°C)

2

Iout (typ) (mA)

1000

2nd harmonic (dBc)

90

3rd harmonic (dBc)

79

Frequency of harmonic distortion measurement (MHz)

10

VQFN (REB)

42

49 mm² (7 mm × 7 mm)

Bandwidth (VS = ±20V, RFB = 1.2kΩ):
- Small-signal: 70MHz (VO = 2VPP)
- Large-signal: 45MHz (VO = 20VPP)
- Large-signal: 22MHz (VS = ±30V, VO = 50VPP, RF = 2kΩ)
Slew rate (20-80%):
- 3000V/µs (RF = 1.2kΩ, CL = 300pF)
- 2000V/µs (RF = 2kΩ, CL = 1nF)
- 6500V/µs (Peak, RF = 1.2kΩ, RL = 100Ω)
Output current:
- Linear output current: ±1.35A
- Peak output current: 2A
- 250mV VOUT swing in linear range (IOUT = ±1A, VO = ±25V, VS = ±30V)
Diagnostic features:
- Programmable current limit (200mA to 1.5A, separate source and sink)
- Die temperature and current output monitoring
- Diagnostic flags (temperature, current source, current sink)

Bandwidth (VS = ±20V, RFB = 1.2kΩ):
- Small-signal: 70MHz (VO = 2VPP)
- Large-signal: 45MHz (VO = 20VPP)
- Large-signal: 22MHz (VS = ±30V, VO = 50VPP, RF = 2kΩ)
Slew rate (20-80%):
- 3000V/µs (RF = 1.2kΩ, CL = 300pF)
- 2000V/µs (RF = 2kΩ, CL = 1nF)
- 6500V/µs (Peak, RF = 1.2kΩ, RL = 100Ω)
Output current:
- Linear output current: ±1.35A
- Peak output current: 2A
- 250mV VOUT swing in linear range (IOUT = ±1A, VO = ±25V, VS = ±30V)
Diagnostic features:
- Programmable current limit (200mA to 1.5A, separate source and sink)
- Die temperature and current output monitoring
- Diagnostic flags (temperature, current source, current sink)

The THS3470 is a high-speed current-feedback amplifier (CFA) with a high linear-output current drive (1.35A), high slew rate (6500V/µs peak), and wide supply range (60V). The device is stable over a wide range of capacitive loads and supports up to 2A of peak output current that these applications require. The THS3470 has a bandwidth of 70MHz with low-noise and distortion providing great large-signal performance for heavy resistive loads as well.

In addition to high speed and power performance, the THS3470 features a number of useful features such as temperature monitoring, output current monitoring, output current limiting, and output current protection. The output current features of the device can be manually enabled or driven by various flag outputs from the device providing even greater modularity in the use case of the device.

The THS3470 is available in a VQFN-42 (REB) package, providing small-size with an exposed top-side thermal pad for direct heat transfer to a heat sink. The THS3470 is characterized for operation over the wide temperature range of –40°C to +125°C.

The THS3470 is a high-speed current-feedback amplifier (CFA) with a high linear-output current drive (1.35A), high slew rate (6500V/µs peak), and wide supply range (60V). The device is stable over a wide range of capacitive loads and supports up to 2A of peak output current that these applications require. The THS3470 has a bandwidth of 70MHz with low-noise and distortion providing great large-signal performance for heavy resistive loads as well.

In addition to high speed and power performance, the THS3470 features a number of useful features such as temperature monitoring, output current monitoring, output current limiting, and output current protection. The output current features of the device can be manually enabled or driven by various flag outputs from the device providing even greater modularity in the use case of the device.

The THS3470 is available in a VQFN-42 (REB) package, providing small-size with an exposed top-side thermal pad for direct heat transfer to a heat sink. The THS3470 is characterized for operation over the wide temperature range of –40°C to +125°C.

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2개 모두 보기

상위 문서	유형	직함	형식 옵션	최신 영어 버전 다운로드	날짜
*	데이터 시트	THS3470 60V, 1A, 70MHz, 6500V/μs, High-Speed Power Amplifier datasheet (Rev. A)	PDF \| HTML		2025. 10. 23
	인증서	THS3470REBEVM EU Declaration of Conformity (DoC)			2025. 2. 6

설계 및 개발

추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.

평가 보드

THS3470REBEVM — THS3470 평가 모듈

THS3470EVM은 THS3470 60V, 1A, 100MHz, 고속 전원 증폭기를 손쉽게 측정하고 설정할 수 있도록 설계된 평가 모듈(EVM)입니다. 이 보드에는 입력 및 출력 연결을 쉽게 구성하는 지침, 장치의 기능 모드를 변경하기 위한 간단한 제어 인터페이스가 포함되어 있고 히트 싱크 및 팬을 연결할 수 있습니다.

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