OPVR1

Operational Amplifier
LV Input, HV Output

 

Functional Description

OPVR1 is an internally compensated operational amplifier with a PMOS input stage and external biasing. The amplifier is designed for universal applications.
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Key Features

  • LV Power Supply: VDDA = 5V
  • HV Power Supply: VDDH = 0...30V
  • Low Voltage Input: 0...(VDDA-1.5V)
  • High Voltage Output: 0...(VDDH-2V)
  • Compensated
  • External biasing


    • Height: 305 µm
    Width: 95 µm
    Area: 29 000 µm²

Pin List

PinDescriptionCapacitance
INP Non Inverting Input 0.5pF
INN Inverting Input 0.5pF
OUT Analog Output -
IBP Bias Source Input -
VDDA LV Power Supply -
VDDH HV Power Supply -
VSSA Analog Ground -
Substrate Connected to VSSA -

 

Electrical Parameters

Conditions:
  • HV Power Supply: VDDH=20V
  • Bias Source Current IBP=5µA -Typical
Parameter Symbol Min Typ Max Unit
Power Supply Range  Vdda 4.50 5.00 5.50 V
High Voltage Supply Range Vddh 5   30 V
Temperature Range  Temp  -40 25 85 deg 
AC Parameters   
Open Loop Gain  A0  103 107 109 dB 
Unity Gain Bandwidth (10.0 pF / 10.0 MOhm)
Phase Margin		 BW 1.28 1.99 2.80 MHz
Øm 75.4 77.0 78.4 deg
Unity Gain Bandwidth (20.0 pF / 1.00 GOhm)
Phase Margin		 BW 0.00 1.34 1.84 MHz
Øm 59.2 61.1 62.7 deg
Common Mode Rejection Ratio  CMRR 63 66 69 dB
Power Supply Rejection Ratio Vdd PSRRvdd 89 92 93 dB
Power Supply Rejection Ratio Vss PSRRvss 63 67 69 dB
Output Resistance (closed loop) Rout 20.0 27.3 46.3 Ohm
DC Parameters   
Input Offset Voltage  Vos -8   +8 mV
Power Supply Current  Idd 12.2 17.9 24.6 µA
Power Consumption  PVdd 54.7 89.5 135.5 µW
Output Source Current Isource 5.48 7.73 10.40 µA
Output Sink Current Isink 1.36 2.06 2.68 mA
Common Mode Input Range CMIR(L) 47.0 47.8 49.2 mV
Vdda - CMIR(H) 0.29 0.48 1.43 V
Output Range (Rl = 10.0 MOhm) Vout(L) 25.6 32.3 37.4 mV
Vdda - Vout(H) 1.66 1.74 1.74 V
Transient Parameters   
Slew Rate - Rise SRP 0.20 0.29 0.38 V/µs
Slew Rate - Fall SRN 1.09 1.64 1.68 V/µs
Settling Time - Rise  TSP  4.47 5.78 7.87 µs
Settling Time - Fall  TSN  0.79 1.27 1.95 µs
Startup Time  Tstart  7.52 8.92 63.63 µs
Total Harmonic Distortion  THD  - 58 - 59 - 61 dB
Noise Parameters   
Equivalent Input Noise @10Hz  EN(10Hz) - 1.18 - µV/sqrt(Hz)
Equivalent Input Noise @100KHz  EN(100Hz) - 39.3 - nV/sqrt(Hz)
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