W-CDMA/N-CDMA Cellular Phone HBT PA Management ICs

General Description The MAX1958/MAX1959 power amplifier (PA) power-management ICs (PMICs) integrate an 800mA, dynamically adjustable step-down converter, a 5mA Rail-to-Rail? operational amplifier (op amp), and a precision temperature sensor to power a heterojunction bipolar transistor (HBT) PA in

文件：799.09 Kbytes 頁數(shù)：24 Pages

MAXIM

美信

W-CDMA/N-CDMA蜂窩電話HBT PA管理IC

MAX1958/MAX1959功率放大器(PA)電源管理IC (PMIC)是為W-CDMA和N-CDMA移動電話內(nèi)的異質(zhì)結(jié)型雙極性晶體管(HBT) PA供電的芯片，集成了一個800mA動態(tài)可調(diào)的降壓控制器、一個5mA滿擺幅運算放大器、和一個精密的溫度傳感器。\n 該高效率、脈寬調(diào)制(PWM)、DC-DC buck轉(zhuǎn)換器經(jīng)過優(yōu)化，提供保證的800mA輸出電流。輸出電壓是動態(tài)控制的，可以產(chǎn)生0.75V至3.4V范圍之間(MAX1958)或者1V至3.6V范圍之間(MAX1959)的任何固定電壓，且在整個電壓和電流滿量程變化內(nèi)，建立時間小于30μs。1MHz的PWM開關(guān)頻率允許使用小型外部元件，而脈 \n? 降壓控制器 \n? 0.75V至3.4V的動態(tài)可調(diào)輸出電壓(MAX1958) \n? 1V至3.6V的動態(tài)可調(diào)輸出電壓(MAX1959) \n? 保證800mA輸出電流 \n? 600mA負載電流時，130mV的低壓差 \n? 低靜態(tài)電流 \n? 跳頻模式時190μA (典型值)的電源電流(MAX1958) \n? PWM模式時3mA的電源電流 \n? 關(guān)斷模式時0.1μA (典型值)電流 \n? 1MHz固定頻率PWM工作模式 \n? 16%至100%的占空比工作模式 \n? 無軟啟動所需要的外部肖特基二極管 \n? 運算放大器 \n? 5mA滿擺幅輸出 \n? 關(guān)斷;

ADI

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High-Dynamic-Range, 16-Bit, 80Msps ADC with -82dBFS Noise Floor

General Description The MAX19586 is a 3.3V, high-speed, high-performance analog-to-digital converter (ADC) featuring a fully differential wideband track-and-hold (T/H) and a 16-bit converter core. The MAX19586 is optimized for multichannel, multimode receivers, which require the ADC to meet very

文件：389.02 Kbytes 頁數(shù)：20 Pages

MAXIM

美信

High-Dynamic-Range, 16-Bit, 80Msps ADC with -82dBFS Noise Floor

General Description The MAX19586 is a 3.3V, high-speed, high-performance analog-to-digital converter (ADC) featuring a fully differential wideband track-and-hold (T/H) and a 16-bit converter core. The MAX19586 is optimized for multichannel, multimode receivers, which require the ADC to meet very

文件：389.02 Kbytes 頁數(shù)：20 Pages

MAXIM

美信

W-CDMA/N-CDMA Cellular Phone HBT PA Management ICs

General Description The MAX1958/MAX1959 power amplifier (PA) power-management ICs (PMICs) integrate an 800mA, dynamically adjustable step-down converter, a 5mA Rail-to-Rail? operational amplifier (op amp), and a precision temperature sensor to power a heterojunction bipolar transistor (HBT) PA in

文件：799.09 Kbytes 頁數(shù)：24 Pages

MAXIM

美信

High-Dynamic-Range, 16-Bit, 100Msps ADC with -82dBFS Noise Floor

文件：300.18 Kbytes 頁數(shù)：19 Pages

MAXIM

美信

High-Dynamic-Range, 16-Bit, 100Msps ADC with -82dBFS Noise Floor

文件：300.18 Kbytes 頁數(shù)：19 Pages

MAXIM

美信

高動態(tài)范圍、16位、80Msps ADC，具有-82dBFS的噪聲底

MAX19586是一款3.3V、高速、高性能模數(shù)轉(zhuǎn)換器(ADC)，具有全差分寬帶采樣/保持器(T/H)以及16位轉(zhuǎn)換器核。MAX19586針對需要高動態(tài)特性ADC的多信道、多模式接收機進行優(yōu)化。MAX19586具有-82dBFS的噪聲基底，可用于極高靈敏度的接收器。\n80Msps采樣速率下，MAX19586具有79.2dB信噪比(SNR)，且fIN = 70MHz時，具有84.3dBc/100dBc (SFDR1/SFDR2)的單音無雜散動態(tài)范圍(SFDR)。MAX19586在2階奈奎斯特區(qū)域和高IF輸入頻率下都具有極好的動態(tài)性能。例如，在130MHz頻點，MAX19586能夠達到82.5d ·80Msps最低采樣速率\n·-82dBFS噪聲基底\n·出色的動態(tài)性能\nfIN = 10MHz/70MHz和-2dBFS時，SNR為80dB/79.2dB\nfIN = 10MHz時，具有96dBc/102dBc單音SFDR1/SFDR2\nfIN = 70MHz時，具有84.3dBc/100dBc單音SFDR1/SFDR2\n·采樣抖動小于0.1ps\n·1.1W功耗\n·2.56VP-P全差分模擬輸入電壓范圍\n·CMOS兼容、2的補碼數(shù)據(jù)輸出格式\n·獨立的數(shù)據(jù)有效時鐘和超量程輸出\n·靈活的輸入時鐘緩沖器\n·3.3V模擬電源；1.8V數(shù)字電源\n·小型8mm x 8mm x 0;

ADI

亞德諾