49.22 OPAMP Electrical Specifications
| AC CHARACTERISTICS | Standard
Operating Conditions: VDD = AVDD = 1.62V to 3.63V (unless otherwise
stated) Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial | ||||||
|---|---|---|---|---|---|---|---|
| Param. No. | Symbol | Characteristics | Min. | Typ. | Max. | Units | Conditions |
| OA_1 | VCMR | Common Mode Input Voltage Range | 0.012 | — | AVDD - 0.15 | V | — |
| OA_2 | CMRR | Common Mode Rejection Ratio | -65 | — | — | dB |
VCM = AVDD/2 |
| OA_3 | VOFFSET | Op amp Offset Voltage | -6 | — | 6 | mV | — |
| OA_4 | VIN | Input Voltage Range | AVSS | — | AVDD | V | — |
| OA_5 | ILKG | Input leakage current | — | — | DI_13 | µA | DI_13: Refer to I/O Pin Electrical Specifications |
| OA_6 | PSRR | Power Supply Rejection Ratio | — | 64.8 | — | dB | @ 10 kHz, OPAMPCTRLx.BIAS = 0x3 |
| 44.8 | @ 100 kHz, OPAMPCTRLx.BIAS = 0x3 | ||||||
| 25.1 | @ 1 MHz, OPAMPCTRLx.BIAS = 0x3 | ||||||
| OA_8 | VOH | Amplifier Output Voltage High | AVDD - 0.3 | — | — | V |
ISOURCE @ 5mA |
| AVDD - 0.2 |
ISOURCE @ 3mA | ||||||
| AVDD - 0.07 |
ISOURCE @ 1mA | ||||||
| OA_9 | VOL | Amplifier Output Voltage Low | — | — | AVSS + 0.4 | V | ISINK @ 5mA |
| AVSS + 0.25 | ISINK @ 3mA | ||||||
| AVSS + 0.09 | ISINK @ 1mA | ||||||
| OA_10 | TON | Enable to Valid Output | — | 2.7 | — | μs | OPAMPCTRLx.BIAS = 0x3 |
| 6.4 | OPAMPCTRLx.BIAS = 0x2 | ||||||
| 21.5 | OPAMPCTRLx.BIAS = 0x1 | ||||||
| 88.5 | OPAMPCTRLx.BIAS = 0x0 | ||||||
| OA_12 | IOS | Input Offset Current | — | — | DI_13 | µA | DI_13: Refer to I/O Pin Electrical Specifications |
| OA_13 | IB | Input Bias Current | — | — | DI_13 | µA | DI_13: Refer to I/O Pin Electrical Specifications |
| OA_14 | SR | Slew Rate | — | 2.1 | — | V/μs | OPAMPCTRLx.BIAS = 0x3, OPAMP Vout 10-90%, unity gain, 32 pF load |
| 0.9 | OPAMPCTRLx.BIAS = 0x2, OPAMP Vout 10-90%, unity gain, 32 pF load | ||||||
| 0.25 | OPAMPCTRLx.BIAS = 0x1, OPAMP Vout 10-90%, unity gain, 32 pF load | ||||||
| 0.06 | OPAMPCTRLx.BIAS = 0x0, OPAMP Vout 10-90%, unity gain, 32 pF load | ||||||
| OA_15 | GBW1 | Non Unity Gain Bandwidth | 3.57 | — | — | MHz |
Non-inverting gain of 16 Config: OPAMPCTRLx.BIAS=3, POTMUX=0x7, Cload=47pF, Rload=1kΩ. Vin=25mVpp and Vout DC at half AVDD. GBW1 is measured at Gain=0dB. |
| 1.70 |
Non-inverting gain of 16 Config: OPAMPCTRLx.BIAS=2, POTMUX=0x7, Cload=47pF, Rload=1kΩ. Vin=25mVpp and Vout DC at half AVDD. GBW1 is measured at Gain=0dB. | ||||||
| 0.84 |
Non-inverting gain of 2 Config: OPAMPCTRLx.BIAS=1, POTMUX=0x2, Cload=47pF, Rload=1kΩ. Vin=25mVpp and Vout DC at half AVDD. GBW1 is measured at Gain=0dB. | ||||||
| 0.23 |
Non-inverting gain of 2 Config: OPAMPCTRLx.BIAS=0, POTMUX=0x2, Cload=47pF, Rload=1kΩ. Vin=25mVpp and Vout DC at half AVDD. GBW1 is measured at Gain=0dB. | ||||||
| OA_16 | AV1 | Non Unity Gain | — | 16 | — | V/V |
Non-inverting gain of 16 Config: OPAMPCTRLx.BIAS=3, POTMUX=0x7, Cload=47pF, Rload=1kΩ. Fin=50kHz, Vin=25mVpp and Vout DC at half AVDD. |
| 16 |
Non-inverting gain of 16 Config: OPAMPCTRLx.BIAS=2, POTMUX=0x7, Cload=47pF, Rload=1kΩ. Fin=50kHz, Vin=25mVpp and Vout DC at half AVDD. | ||||||
| 2 |
Non-inverting gain of 2 Config: OPAMPCTRLx.BIAS=1, POTMUX=0x2, Cload=47pF, Rload=1kΩ. Fin=50kHz, Vin=25mVpp and Vout DC at half AVDD. | ||||||
| 2 |
Non-inverting gain of 2 Config: OPAMPCTRLx.BIAS=0, POTMUX=0x2, Cload=47pF, Rload=1kΩ. Fin=50kHz, Vin=25mVpp and Vout DC at half AVDD. | ||||||
| OA_17 | PM1 | Non Unity Phase Margin | 49.1 | — | — | Degrees |
Non-inverting gain of 16 Config: OPAMPCTRLx.BIAS=3, POTMUX=0x7, Cload=47pF, Rload=1kΩ. Vin=25mVpp and Vout DC at half AVDD. |
| 57.7 |
Non-inverting gain of 16 Config: OPAMPCTRLx.BIAS=2, POTMUX=0x7, Cload=47pF, Rload=1kΩ. Vin=25mVpp and Vout DC at half AVDD. | ||||||
| 88.6 |
Non-inverting gain of 2 Config: OPAMPCTRLx.BIAS=1, POTMUX=0x2, Cload=47pF, Rload=1kΩ. Vin=25mVpp and Vout DC at half AVDD. | ||||||
| 87.2 |
Non-inverting gain of 2 Config: OPAMPCTRLx.BIAS=0, POTMUX=0x2, Cload=47pF, Rload=1kΩ. Vin=25mVpp and Vout DC at half AVDD. | ||||||
| OA_18 | GBW2 | Unity Gain Bandwidth | 4.29 | — | — | MHz |
Unity gain follower Config: OPAMPCTRLx.BIAS=3, POTMUX=0x0, Cload=47pF, Rload=1kΩ. Vin=25mVpp and Vout DC at half AVDD. GBW2 is measured at Phase=-45deg. |
| 2.02 |
Unity gain follower Config: OPAMPCTRLx.BIAS=2, POTMUX=0x0, Cload=47pF, Rload=1kΩ. Vin=25mVpp and Vout DC at half AVDD. GBW2 is measured at Phase=-45deg. | ||||||
| 0.75 |
Unity gain follower Config: OPAMPCTRLx.BIAS=1, POTMUX=0x0, Cload=47pF, Rload=1kΩ. Vin=25mVpp and Vout DC at half AVDD. GBW2 is measured at Phase=-45deg. | ||||||
| 0.21 |
Unity gain follower Config: OPAMPCTRLx.BIAS=0, POTMUX=0x0, Cload=47pF, Rload=1kΩ. Vin=25mVpp and Vout DC at half AVDD. GBW2 is measured at Phase=-45deg. | ||||||
| OA_19 | AV2 | Unity Gain | — | 1 | — | V/V |
Unity gain follower Config: OPAMPCTRLx.BIAS=3, POTMUX=0x0, Cload=47pF, Rload=1kΩ. Fin=50kHz, Vin=25mVpp and Vout DC at half AVDD. |
| 1 |
Unity gain follower Config: OPAMPCTRLx.BIAS=2, POTMUX=0x0, Cload=47pF, Rload=1kΩ. Fin=50kHz, Vin=25mVpp and Vout DC at half AVDD. | ||||||
| 1 |
Unity gain follower Config: OPAMPCTRLx.BIAS=1, POTMUX=0x0, Cload=47pF, Rload=1kΩ. Fin=50kHz, Vin=25mVpp and Vout DC at half AVDD. | ||||||
| 1 |
Unity gain follower Config: OPAMPCTRLx.BIAS=0, POTMUX=0x0, Cload=47pF, Rload=1kΩ. Fin=50kHz, Vin=25mVpp and Vout DC at half AVDD. | ||||||
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Note:
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