20V, 1A, Rail-to-Rail Operational Amplifier


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The RT9146/7 consists of a low power, high slew rate, single supply rail-to-rail input and output operational amplifier.The RT9146 contains a single amplifier and RT9147 contains two amplifiers in one package. The RT9146/7 has a high slew rate (35V/µs), 1A peak output current and offset voltage below 15mV. The RT9146/7 is ideal for Thin Film Transistor Liquid Crystal Displays (TFT LCD) .The RT9146 is available in a WDFN-8L 3x3 package. The RT9147 is available in a WQFN-16L 4x4 package. The RT9146/7 are specified for operation over the full -40°C to 85°C temperature range.


  • TFT LCD Panels
  • Notebook Computers
  • Monitors
  • LCD TVs
Key Spec.
RT9146 RT9147
Status Active Active
Vs (min) (V) 6 6
Vs (max) (V) 20 20
Number of Outputs 1 2
Voffset (typ) (mV) 2 2
Iout (typ) (mA) 80 80
Ipeak (typ) (mA) 1000 1000
Slew Rate (V/us) 35 35
AVOL (typ) (dB) 118 118
CMRR (typ) (dB) 95 95
PSRR (typ) (dB) 96 96
Package Type WDFN3x3-8;WDFN3x3-8S;WQFN4x4-16 WDFN3x3-8;WDFN3x3-8S;WQFN4x4-16
  • Rail-to-Rail Output Swing
  • Supply Voltage : 6V to 20V
  • Peak Output Current : 1A
  • High Slew Rate : 35V/µs
  • Unity Gain Stable
  • RoHS Compliant and Halogen Free
TitleLast UpdateShareDownload
20V, 1A, Rail-to-Rail Operational Amplifier2011/12/16
Technical Documents
TitleLast UpdateShareDownload
Richtek Selection Guide [Oct., 2020]2020/12/30