39.5.12 OPAMP Specifications

Table 39-29. OPAMP Electrical Specifications
Operating Conditions:
  • VDD = AVDD = 3.0V
  • VCM = VDD/2
  • TA = 25ºC
SymbolDescriptionMin.Typ. Max.UnitsConditions
GBWPGain Bandwidth Product5.0MHz
TONTurn-on timeµs
PMPhase margin80Degrees
SRSlew rate rise9.5V/µs
Slew rate fall13V/µs
VOSOffset< ±8mVVDD = 1.8 - 5.5V, VCM = -0.1 - (VDD + 0.1) V, Temp. -40ºC to 85ºC
Offset±0.5mVVDD = 3V, VCM= VDD/2 , Temp. 25ºC
Input offset drift with temperature ±30µV/ºC
Offset calibration step0.5mV
CMRRCommon-Mode Rejection Ratio70dB
PSRRPower Supply Rejection Ratio70dB
AOLOpen-loop gain90dB
VICMInput common-mode voltage-0.3VDD + 0.3VIRSEL = 0
Input common-mode voltage-0.3VDD - 0.7VIRSEL = 1
ISCShort circuit sourcing current33mA
Short circuit sinking current27mA
ENIInput noise voltage180µVppf = 0.1 - 10 Hz
VOLMaximum output voltage swing< 0.1VIload= 1.5 mA
VOHMaximum output voltage swing> VDD - 0.1VIload= 1.5 mA
System gain accuracy with internal resistor ladder< 5%