BU7481SG
High Speed Ground Sense Operational Amplifier

低電壓高速CMOS運算放大器為將相位補償電容內建型輸出全振幅(Full Swing)的運算放大器1組電路集於單一晶片中的單晶體(Monolithic)IC。可實現低電壓作動、低耗電、高速作動，輸入偏壓電流非常小為其特點。 低電壓高速CMOS運算放大器根據輸入類型，可分為以下兩類。 輸入全振幅 ： BU7291系列,BU7255系列 接地感測 ： BU7495系列,BU7481系列, BU7485系列,BU5281系列

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Product Detail

 
料號 | BU7481SG-TR
狀態 | 推薦品
封裝 | SSOP5
單位數量 | 3000
最小包裝數量 | 3000
包裝形式 | Taping
RoHS | Yes

規格:

Power Supply (Min.) [V] (+5V=5, ±5V=10)

1.8

Power Supply (Max.) [V] (+5V=5, ±5V=10)

5.5

Channel

1

Circuit Current (Typ.) [mA/ch]

0.42

Input Offset Voltage (Max.) [mV]

8

Input Bias Current (Typ.) [nA]

0.001

Slew Rate (Typ.) [V/µs]

3.2

Input Voltage Range [V]

VSS to VDD-1.2

Output Voltage Range [V]

VSS+0.1 to VDD-0.1

Voltage gain (Typ.) [dB]

105

Output current (Typ.) [mA]

8

CMRR (Typ.) [dB]

60

PSRR (Typ.) [dB]

80

GBW (Typ.) [MHz]

2.8

Operating Temperature (Min.) [°C]

-40

Operating Temperature (Max.) [°C]

105

Package Size [mm]

2.9x2.8 (t=1.25)

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功能:

・可低電壓工作
    +1.8 [V] ～ +5.5 [V] (單一電源)
・直流電壓增益大
・内建靜電保護電路
    人體模式 (HBM) ±4000[V] (Typ.)
・低輸入偏壓電流 1[pA] (Typ.)
・高回轉率
    3.2[V/μs]

Reference Design / Application Evaluation Kit

 
    • Reference Design - REF66009
    • LogiCoA™ Solution BUCK Converter (12V Input, 5V Output, 25W)

    • LogiCoA001-EVK-001 is a reference design for a BUCK converter that uses ROHM's analog-digital fusion control technology LogiCoA™, which includes a microcontroller ML62Q2035 suitable for LogiCoA™, a 100V gate driver BD2320EFJ-LA, LDO BD950N1WG-C, BD900N1WG-C, operational amplifier BU7481SG, and shunt resistor LTR100LJZPFSR020. Design data, sample software, and an operating system for power supply control are available for this reference design, as well as a reference board. We hope that you will have a chance to experience the analog-digital fusion control LogiCoA™ and make use of it in your future power supply device development.

      Reference Program

      We offer a reference program comprising an OS for power control and firmware for BUCK converter control. Additionally, we provide a communication GUI that allows communication from a Windows PC. Please utilize these as design references. For inquiries regarding the provision of these, please contact us via the inquiry form on our website.

      • Reference Program: LogiCoA™ Solutions Buck Converter Reference Program
      • Communication GUI (Excel file): LogiCoA™ Solution Back Converter Communication GUI

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