ADA4638-1

30 V Zero-Drift, Rail-to-Rail Output Precision Amplifier

GENERALDESCRIPTION TheADA4638-1isahighvoltage,highprecision,zero-driftamplifierfeaturingrail-to-railoutputswing.Itisguaranteedtooperatefrom4.5Vto30Vsinglesupplyor±2.25Vto±15Vdualsupplieswhileconsuminglessthan0.95mAofsupplycurrentat±5V. FEATURES

ADA4638-1

55 V, EMI Enhanced, Zero Drift, Ultralow Noise, Rail-to-Rail Output Operational

FEATURES ?Lowoffsetvoltage:5μVmaximum ?Extremelylowoffsetvoltagedrift:22nV/°Cmaximum ?Lowvoltagenoisedensity:5.8nV/√Hztypical ?117nVp-ptypicalfrom0.1Hzto10Hz ?Lowinputbiascurrent:50pAtypical ?Unity-gaincrossover:3MHztypical ?Single-supplyoperatio

ADA4638-1

Precision, Ultralow Noise, RRIO, Zero-Drift Op Amp

FEATURES Lowoffsetvoltage:2.5μVmaximum Lowoffsetvoltagedrift:0.015μV/°Cmaximum Lownoise 5.6nV/√Hzatf=1kHz,AV=+100 97nVp-patf=0.1Hzto10Hz,AV=+100 Open-loopgain:130dBminimum CMRR:135dBminimum PSRR:130dBminimum Unity-gaincrossover:4MHz Gainban

ADA4638-1

30V自穩(wěn)零、軌到軌輸出精密放大器; ? 單電源供電：4.5 V至30V\n\n? 雙電源供電：±2.5 V至±15 V\n\n? 低失調(diào)電壓：4 μV（最大值）\n\n? 輸入失調(diào)電壓漂移：0.05 μV/°C（最大值）\n\n? 高增益：130 dB（最小值）\n\n? 高電源抑制比(PSRR)：120 dB（最小值）\n\n? 高共模抑制比(CMRR)：130 dB（最小值）\n\n? 輸入共模范圍包括較低的電源軌\n\n? 軌到軌輸出\n\n? 低電源電流：0.95 mA（最大值）;

ADA4638-1是一款具有軌到軌輸出擺幅的高電壓、高精度零漂移放大器，保證可采用4.5 V至30 V單電源或者±2.25 V至±15 V雙電源供電。采用±5 V電源時(shí)，功耗不到0.95 mA。 ADA4638-1的失調(diào)電壓為4 μV，失調(diào)漂移不到0.05 μV/°C，無(wú)1/f噪聲，輸入電壓噪聲僅為1.2 μVp-p（0.1 Hz至10 Hz），適合不容許存在大誤差源的高精度應(yīng)用。這款器件在寬工作溫度范圍內(nèi)的漂移接近零，對(duì)壓力傳感器、醫(yī)療設(shè)備以及應(yīng)變計(jì)放大器應(yīng)用極為有利。許多應(yīng)用都可以利用ADA4638-1提供的軌到軌輸出擺幅來(lái)使信噪比(SNR)達(dá)到較大。\n\n ADA4638-1的額定溫度范圍為-40°至+125°C擴(kuò)展工業(yè)溫度范圍，提供8引腳LFCSP (3x3mm)和SOIC封裝。\n\n

ADA4638-1_16

30 V Zero-Drift, Rail-to-Rail Output Precision Amplifier

ADA4638-1ACPZ-R7

30 V Zero-Drift, Rail-to-Rail Output Precision Amplifier

ADA4638-1ACPZ-RL

30 V Zero-Drift, Rail-to-Rail Output Precision Amplifier

ADA4638-1ARZ

30 V Zero-Drift, Rail-to-Rail Output Precision Amplifier

ADA4638-1ARZ-R7

30 V Zero-Drift, Rail-to-Rail Output Precision Amplifier

ADA4638-1ARZ-RL

30 V Zero-Drift, Rail-to-Rail Output Precision Amplifier