OPAMP Specifications

Table 1. OPAMP Electrical Specifications
Operating Conditions:
  • VDD = AVDD = 3.0V
  • VCM = VDD/2
  • TA = 25ºC
Symbol Description Min. Typ. Max. Units Conditions
GBWP Gain Bandwidth Product 5.0 MHz  
TON Turn-on time µs  
PM Phase margin 80 Degrees  
SR Slew rate rise 9.5 V/µs  
Slew rate fall 13   V/µs  
VOS Offset < ±8 mV VDD = 1.8 - 5.5V, VCM = -0.1 - (VDD + 0.1) V, Temp. -40ºC to 85ºC
Offset ±0.5 mV VDD = 3V, VCM= VDD/2 , Temp. 25ºC
Input offset drift with temperature ±30 µV/ºC  
Offset calibration step 0.5 mV  
CMRR Common-Mode Rejection Ratio 70 dB  
PSRR Power Supply Rejection Ratio 70 dB  
AOL Open-loop gain 90 dB  
VICM Input common-mode voltage -0.3 VDD + 0.3 V IRSEL = 0
Input common-mode voltage -0.3 VDD - 0.7 V IRSEL = 1
ISC Short circuit sourcing current 33 mA  
Short circuit sinking current 27 mA  
ENI Input noise voltage 180 µVpp f = 0.1 - 10 Hz
VOL Maximum output voltage swing < 0.1 V Iload= 1.5 mA
VOH Maximum output voltage swing > VDD - 0.1 V Iload= 1.5 mA
  System gain accuracy with internal resistor ladder < 5 %