位置：MAX4473EUA > MAX4473EUA詳情
MAX4473EUA中文資料
| 廠家型號(hào) | MAX4473EUA |
| 文件大小 | 140.29Kbytes |
| 頁(yè)面數(shù)量 | 6頁(yè) |
| 功能描述 | Low-Cost, Low-Voltage, PA Power Control Amplifier for GSM Applications in 8-Pin 關(guān)MAX 功率放大器 PA Power Control Amp for GSM Aps |
| 數(shù)據(jù)手冊(cè) | |
| 簡(jiǎn)稱 | MAXIM【美信】 |
| 生產(chǎn)廠商 | Maxim Integrated Products |
| 中文名稱 | 美信半導(dǎo)體官網(wǎng) |
| LOGO |
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MAX4473EUA數(shù)據(jù)手冊(cè)規(guī)格書(shū)PDF詳情
General Description
The MAX4473 PA power control IC is intended for closed-loop bias control of GSM power amplifiers. The device facilitates accurate control of the current delivered to the power amplifier (PA) through a control voltage. The error amplifier senses the voltage drop across an external current-sense resistor placed between the supply and the PA. The output of the error amplifier adjusts the PA gain until the current is proportional to the power control voltage applied to the MAX4473. This unique topology is useful in time-division-multiple access (TDMA) systems, such as GSM, where accurate transmit burst shaping and power control is required.
User-selectable current sensing and gain setting resistors maximize flexibility.
The MAX4473 operates from a single 2.7V to 6.5V supply and typically draws 1.2mA of supply current. The error amplifier has a common-mode range that extends from 1V to VCC. The power control input and error amplifier outputs swing rail-to-rail. A low-power shutdown mode reduces supply current to less than 1μA and activates an on-board active pull-down at the error amplifier output. Fast enable/disable times of 0.9μs reduce average power consumption without compromising dynamic performance. The MAX4473 is available in a space-saving 8-pin μMAX? package.
Features
? Optimized for GSM Timing Requirements
? 2.7V to 6.5V Single-Supply Operation
? 1.2mA Supply Current
? ≤ 1μA Supply Current in Shutdown Mode
? Guaranteed 1.5μs Enable/Disable Times
? Active Output Pull-Down in Shutdown Mode
? Rail-to-Rail Error Amplifier Output
? Rail-to-Rail Power Control Input
? Output Drive Capability—500Ω and 300pF Loads
? 1V to VCC Current Sense Input Common-Mode Voltage Range
? No Phase-Reversal for Common-Mode Voltage from 0 to VCC
? External Current Sensing and Gain Setting
Resistors Maximize Flexibility
? Available in a Space-Saving 8-Pin μMAX
Applications
GSM Cellular Phones
Cordless Phones
Precision Current Control
High-Frequency Servo Loops
MAX4473EUA產(chǎn)品屬性
- 類型
描述
- 型號(hào)
MAX4473EUA
- 功能描述
功率放大器 PA Power Control Amp for GSM Aps
- RoHS
否
- 制造商
TriQuint Semiconductor
- 工作電源電壓
28 V
- 電源電流
2.5 A
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
Maxim(美信) |
24+ |
標(biāo)準(zhǔn)封裝 |
7068 |
原廠渠道供應(yīng),大量現(xiàn)貨,原型號(hào)開(kāi)票。 |
|||
MAXIM/美信 |
25+ |
原廠封裝 |
10280 |
||||
MAXIM/美信 |
25+ |
MSOP8 |
16801 |
MAXIM/美信原裝特價(jià)MAX4473EUA+T即刻詢購(gòu)立享優(yōu)惠#長(zhǎng)期有貨 |
|||
MAXIM |
2020+ |
SSOP-8 |
18600 |
百分百原裝正品 真實(shí)公司現(xiàn)貨庫(kù)存 本公司只做原裝 可 |
|||
MAXIM |
23+ |
MSOP8 |
9572 |
原裝現(xiàn)貨特價(jià)熱銷(xiāo) |
|||
MAXIM |
24+ |
MSOP |
21250 |
MAXIM代理原裝正品!現(xiàn)貨庫(kù)存!價(jià)格優(yōu)勢(shì) |
|||
MAXIM |
03+ |
63 |
全新原裝!優(yōu)勢(shì)庫(kù)存熱賣(mài)中! |
||||
MAXIM/美信 |
24+ |
SSOP-8 |
9600 |
原裝現(xiàn)貨,優(yōu)勢(shì)供應(yīng),支持實(shí)單! |
|||
MAXIM專賣(mài) |
24+ |
MSOP |
6800 |
||||
MAXIM/美信 |
24+ |
MSOP |
33500 |
全新進(jìn)口原裝現(xiàn)貨,假一罰十 |
MAX4473EUA+ 價(jià)格
參考價(jià)格：￥13.6798
MAX4473EUA 資料下載更多...
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MAXIM相關(guān)芯片制造商
Datasheet數(shù)據(jù)表PDF頁(yè)碼索引
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Maxim Integrated Products 美信半導(dǎo)體
中文資料: 61719條
Maxim Integrated Products是一家專注于模擬和混合信號(hào)集成電路的公司，成立于1983年，總部位于美國(guó)加利福尼亞州圣何塞。公司設(shè)計(jì)和制造廣泛應(yīng)用于電子設(shè)備的高性能集成電路，涵蓋電源管理、信號(hào)處理、傳感器和接口等多個(gè)領(lǐng)域。 Maxim的產(chǎn)品廣泛應(yīng)用于消費(fèi)電子、工業(yè)、汽車(chē)、通信等市場(chǎng)，以其高性能和創(chuàng)新技術(shù)著稱。公司致力于通過(guò)推動(dòng)技術(shù)進(jìn)步來(lái)滿足客戶的需求，并提供解決方案，幫助客戶實(shí)現(xiàn)更高的效率和更好的性能。 在2021年，Maxim Integrated被Analog Devices收購(gòu)，進(jìn)一步增強(qiáng)了Analog Devices在市場(chǎng)上的競(jìng)爭(zhēng)力和技術(shù)實(shí)力。
