46.11.8 OPAMP Characteristics

Table 46-32. Operating Conditions
Symbol Parameters Conditions Min. Typ. Max. Unit
VCC Power Supply All power modes 1.62 3 3.63 V
Vin Input voltage range 0 - Vcc V
Vout Output voltage range 0.15 - Vcc-0.15 V
Cload Maximum capacitance load - - 50 pF
Rload (1) Minimum resistive load Output Range[0.15V;Vcc-0.15V] 3.5 - - kΩ
Output Range[0.3V;Vcc-0.3V] 0.5 - -
Iload(1) DC output current load Output Range[0.15V;Vcc-0.15V] - - 1 mA
Output Range[0.3V;Vcc-0.3V] - - 6.9
Note:
  1. These values are based on simulation. They are not covered by production test limits or characterization.
Table 46-33. Power Consumption(1)
Symbol Parameters Conditions Ta Min. Typ. Max. Unit
IDD DC supply current (Voltage Doubler OFF) Mode 3,VCC =3.3V Max 85°C Typ 25°C - 235 400 μA
Mode 2,VCC =3.3V - 94 166
Mode 1,VCC =3.3V - 26 47
Mode 0 ,VCC =3.3V - 7 13
Voltage Doubler consumption VCC =3.3V - 0.70 1.4
Note:
  1. These values are based on simulation. They are not covered by production test limits or characterization.
Table 46-34. Static Characteristics in 1X Gain(1)
Symbol Parameters Conditions Min. Typ. Max. Unit
G0 Open loop gain Mode 3 - 114.5 - dB
Mode 2 - 117.6 -
Mode 1 - 116.8 -
Mode 0 - 108.5 -
GBW Gain Bandwidth Mode 3 - 7.1 - MHz
Mode 2 - 2.8 -
Mode 1 - 0.85 -
Mode 0 - 0.2 -
фm Phase margin Mode 3 - 71.5 - deg
Mode 2 - 64 -
Mode 1 - 56 -
Mode 0 - 52 -
Tr1 Response Time at 240µV (X1 gain) Mode 3 - 1.3 - µs
Mode 2 - 3.3 -
Mode 1 - 13 -
Mode 0 - 52 -
∆Tr1 Response Time Variation for 10mV Mode 3 - 100 - ns
Tstart Start-up time (Enable to Ready), (Voltage Doubler OFF) Mode 3 - 2.7 - µs
Mode 2 - 6.35 -
Mode 1 - 21.5 -
Mode 0 - 88.5 -
Oe Input Offset Voltage - - +-3.5 mV
SR Slew rate Mode 3 - - 2.8/2.6 - V/µs
Mode 2 - -1.2/1.1 -
Mode 1 - -0.3/0.3 -
Mode 0 - -0.09/0.07 -
CMRR 1X gain Mode 3 - 83 - dB
Mode 2 - 84 -
Mode 1 - 84 -
Mode 0 - 83 -
PSRR 1X gain Mode 3 - 76 - dB
Mode 2 - 76 -
Mode 1 - 76 -
Mode 0 - 75 -
- Integrated Noise, BW=[0.1Hz-10kHz], x1 gain - VOUT=1V Mode 3 - 7.9 - µVRMS
Mode 2 - 8.3 -
Mode 1 - 9.9 -
Mode 0 - 12.7 -
- Integrated Noise, BW=[0.1Hz-1MHz], x1 gain - VOUT=1V Mode 3 - 18.2 - µVRMS
Mode 2 - 22.8 -
Mode 1 - 36.7 -
Mode 0 - 44.4 -
Note:
  1. These values are based on simulation. They are not covered by production test limits or characterization.
Table 46-35. PGA Electrical Characteristics(1)
Symbol Parameters Conditions Min. Typ. Max. Unit
- Gain accuracy 16X Gain (2) - - +/-2.4 %
4X Gain (2) - - +/-1.1
1X Gain - - +/-2.6
THD Total Harmonic Distortion @ 10kHz - mode 3 16X Gain - -77 - dB
4X Gain - -72.8 -
1X Gain - -82.6 -
- Integrated Noise, BW=[0.1Hz-10 kHz], 16X gain - VOUT=1V Mode 3 - 147 - µVrms
Mode 2 - 147 -
Mode 1 - 162 -
Mode 0 - 191 -
- Integrated Noise, BW=[0.1Hz-1MHz], 16X gain - VOUT=1V Mode 3 - 262 - µVrms
Mode 2 - 247 -
Mode 1 - 235 -
Mode 0 - 235 -
Note:
  1. These values are based on simulation. They are not covered by production test limits or characterization.
  2. These values are with RES1MUX[1:0] =0x3.