OPA2673

現行

具主動離線控制的雙路寬頻高輸出電流放大器和 PLC 線路驅動器

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產品規格表

document-pdfAcrobat OPA2673 Dual, High Output Current Operational Amplifier With Active Offline Control datasheet (Rev. H) (英文) PDF | HTML

OPA2673

現行

產品規格表

立即訂購

產品詳細資料

Architecture

Current FB

Number of channels

2

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

5.75

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

13

GBW (typ) (MHz)

600

BW at Acl (MHz)

600

Acl, min spec gain (V/V)

1

Slew rate (typ) (V/µs)

3500

Vn at flatband (typ) (nV√Hz)

2.4

Vn at 1 kHz (typ) (nV√Hz)

5.5

Iq per channel (typ) (mA)

16.5

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

7

Rail-to-rail

No

Features

Adjustable BW/IQ/IOUT, Shutdown

Rating

Catalog

Operating temperature range (°C)

-40 to 85

CMRR (typ) (dB)

56

Input bias current (max) (pA)

25000000

Offset drift (typ) (µV/°C)

25

Iout (typ) (mA)

700

2nd harmonic (dBc)

67

3rd harmonic (dBc)

80

Frequency of harmonic distortion measurement (MHz)

10

Architecture

Current FB

Number of channels

2

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

5.75

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

13

GBW (typ) (MHz)

600

BW at Acl (MHz)

600

Acl, min spec gain (V/V)

1

Slew rate (typ) (V/µs)

3500

Vn at flatband (typ) (nV√Hz)

2.4

Vn at 1 kHz (typ) (nV√Hz)

5.5

Iq per channel (typ) (mA)

16.5

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

7

Rail-to-rail

No

Features

Adjustable BW/IQ/IOUT, Shutdown

Rating

Catalog

Operating temperature range (°C)

-40 to 85

CMRR (typ) (dB)

56

Input bias current (max) (pA)

25000000

Offset drift (typ) (µV/°C)

25

Iout (typ) (mA)

700

2nd harmonic (dBc)

67

3rd harmonic (dBc)

80

Frequency of harmonic distortion measurement (MHz)

10

VQFN (RGV)

16

16 mm² (4 mm × 4 mm)

Wideband operation: 340 MHz (G = 4 V/V)
Unity-gain stable: 600 MHz (G = 1 V/V)
High output current: 700 mA
Active offline mode for TDMA
Adjustable power modes:
- Full-bias mode: 16.5 mA/channel
- 75% bias mode: 12.5 mA/channel
- 50% bias mode: 8.5 mA/channel
- Off-Line mode: 2.4 mA/channel
Bipolar-supply range: ±3.5 V to ±6.5 V
Single-supply range: 5.75 V to 13 V
High slew rate: 3500 V/µs
Overtemperature protection circuit
Output current limit (±1 A)

Wideband operation: 340 MHz (G = 4 V/V)
Unity-gain stable: 600 MHz (G = 1 V/V)
High output current: 700 mA
Active offline mode for TDMA
Adjustable power modes:
- Full-bias mode: 16.5 mA/channel
- 75% bias mode: 12.5 mA/channel
- 50% bias mode: 8.5 mA/channel
- Off-Line mode: 2.4 mA/channel
Bipolar-supply range: ±3.5 V to ±6.5 V
Single-supply range: 5.75 V to 13 V
High slew rate: 3500 V/µs
Overtemperature protection circuit
Output current limit (±1 A)

The OPA2673 provides the high output current and low distortion required for power-line modem driver and test and measurement applications. The OPA2673 operates on power-supplies ranging from 5.75 V to 13 V and consumes a low 16.5 mA/channel quiescent current to deliver a very high 700 mA output current. The OPA2673 supports the most demanding power-line modem requirements with an 460 mA specified minimum output current drive (at 25°C).

Power-control features are included to minimize system power consumption. Two logic-control lines allow for four quiescent power settings, full power, 75% bias power, 50% bias power, and offline mode with active offline control, to provide high impedance to large signals present at the output pin. The two channels of the OPA2673 can be used independently as individual op amps, or can be configured as a differential-input to differential-output, high-current line driver.

The OPA2673 provides the high output current and low distortion required for power-line modem driver and test and measurement applications. The OPA2673 operates on power-supplies ranging from 5.75 V to 13 V and consumes a low 16.5 mA/channel quiescent current to deliver a very high 700 mA output current. The OPA2673 supports the most demanding power-line modem requirements with an 460 mA specified minimum output current drive (at 25°C).

Power-control features are included to minimize system power consumption. Two logic-control lines allow for four quiescent power settings, full power, 75% bias power, 50% bias power, and offline mode with active offline control, to provide high impedance to large signals present at the output pin. The two channels of the OPA2673 can be used independently as individual op amps, or can be configured as a differential-input to differential-output, high-current line driver.

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OPA2675

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雙通道寬頻高功率輸出電流回饋放大器 Higher performance line driver with higher output current.

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重要文件	類型	標題	格式選項	日期
*	資料表	OPA2673 Dual, High Output Current Operational Amplifier With Active Offline Control datasheet (Rev. H)	PDF \| HTML	2023/6/21
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	Application brief	LiFi: TI High-Speed Products for Optical Wireless Communication	PDF \| HTML	2023/8/7
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	電子書	The Signal e-book: A compendium of blog posts on op amp design topics	PDF \| HTML	2017/3/28
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	應用說明	A Powerline Communication Line Driver Requirement Overview		2009/11/4

設計與開發

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開發板

DEM-OPA-RGV-EVM — 用於採用 VQFN 封裝的高速高輸出電流放大器的空板評估模組

DEM-OPA-RGV-EVM 是一個空板的評估模組 (EVM)，用於我們的採用 VQFN (RGV) 封裝的雙寬頻運算放大器。本 EVM 是根據高速性能規格及電源線通訊 (PLC) 和傳輸線驅動器來設計。EVM 的設計可讓我們使用實驗室設備的 50-Ω SMA 接頭的高速雙放大器，進行快速有效率的實驗室測試。EVM 可以針對不同增益及單一或分裂電源運作，進行輕鬆配置。兩個通道可當成獨立放大器使用，或可設為差動輸入至差動輸出驅動器。適當電阻器的變壓器可在輸出時當成 50-Ω 單端輸出使用。

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