50.13 Op amp Electrical Specifications

Table 50-15. Op amp Electrical Specifications (1,2)
AC CHARACTERISTICSStandard Operating Conditions: VDD = AVDD = 1.62V to 3.63V (unless otherwise stated)

Operating temperature: -40°C ≤ TA ≤ +125°C for Extended Temp

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
OA_1VCMRCommon Mode Input Voltage Range0.012AVDD - 0.15V
OA_2CMRR Common Mode Rejection Ratio-65dB

VCM = AVDD/2

OA_3VOFFSETOp amp Offset Voltage-7.57.5mV
OA_4VINInput Voltage RangeAVSSAVDDV
OA_5ILKGInput leakage currentDI_13µADI_13: Refer to I/O Pin Electrical Specifications
OA_6PSRRPower Supply Rejection Ratio64.8dB@ 10 kHz,

OPAMPCTRLx.BIAS = 0x3

44.8@ 100 kHz,

OPAMPCTRLx.BIAS = 0x3

25.1@ 1 MHz,

OPAMPCTRLx.BIAS = 0x3

OA_8VOHAmplifier Output Voltage HighAVDD - 0.4V

ISOURCE @ 5mA

AVDD - 0.25

ISOURCE @ 3mA

AVDD - 0.08

ISOURCE @ 1mA

OA_9VOLAmplifier Output Voltage LowAVSS + 0.54VISINK @ 5mA
AVSS + 0.32ISINK @ 3mA
AVSS + 0.11ISINK @ 1mA
OA_17PM1Non Unity Phase Margin49.1Degrees

Non-inverting gain of 16 Config:

OPAMPCTRLx.BIAS = 3, POTMUX = 0x7,

Cload = 47 pF, Rload = 1 kΩ.

Vin = 25 mVpp and Vout DC at half AVDD.

56.0

Non-inverting gain of 16 Config:

OPAMPCTRLx.BIAS = 2, POTMUX = 0x7,

Cload = 47 pF, Rload = 1 kΩ.

Vin = 25 mVpp and Vout DC at half AVDD.

88.6

Non-inverting gain of 2 Config:

OPAMPCTRLx.BIAS = 1, POTMUX = 0x2,

Cload = 47 pF, Rload = 1 kΩ.

Vin = 25 mVpp and Vout DC at half AVDD.

87.2

Non-inverting gain of 2 Config:

OPAMPCTRLx.BIAS = 0, POTMUX = 0x2,

Cload = 47 pF, Rload = 1 kΩ.

Vin = 25 mVpp and Vout DC at half AVDD.

OA_18GBW2Unity Gain Bandwidth4.12MHz

Unity gain follower Config:

OPAMPCTRLx.BIAS = 3, POTMUX = 0x0,

Cload = 47 pF, Rload = 1 kΩ.

Vin = 25 mVpp and Vout DC at half AVDD.

GBW2 is measured at Phase = -45 deg.

2.02

Unity gain follower Config:

OPAMPCTRLx.BIAS = 2, POTMUX = 0x0,

Cload = 47 pF, Rload = 1 kΩ.

Vin = 25 mVpp and Vout DC at half AVDD.

GBW2 is measured at Phase = -45 deg.

0.75

Unity gain follower Config:

OPAMPCTRLx.BIAS = 1, POTMUX = 0x0,

Cload = 47 pF, Rload = 1 kΩ.

Vin = 25 mVpp and Vout DC at half AVDD.

GBW2 is measured at Phase = -45 deg.

0.21

Unity gain follower Config:

OPAMPCTRLx.BIAS = 0, POTMUX = 0x0,

Cload = 47 pF, Rload = 1 kΩ.

Vin = 25 mVpp and Vout DC at half AVDD.

GBW2 is measured at Phase = -45 deg.

Note:
  1. AVDD = 3.3V.
  2. Parameters depend on the opamp configuration and must fulfill OA_8, OA_9, OA_15, OA_16, OA_17, OA_19 and OA_21 parameters specification.