SPRS880P December 2013 – February 2024 TMS320F28374D , TMS320F28375D , TMS320F28376D , TMS320F28377D , TMS320F28377D-Q1 , TMS320F28378D , TMS320F28379D , TMS320F28379D-Q1
PRODUCTION DATA
Refer to the PDF data sheet for device specific package drawings
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|
| Power-up time | 500(8) | µs | |||
| Offset error | Midpoint | –10 | 10 | mV | |
| Gain error(2) | –2.5 | 2.5 | % of FSR | ||
| DNL(3) | Endpoint corrected | > –1 | ±0.4 | 1 | LSB |
| INL | Endpoint corrected | –5 | ±2 | 5 | LSB |
| DACOUTx settling time | Settling to 2 LSBs after 0.3V-to-3V transition | 2 | µs | ||
| Resolution | 12 | bits | |||
| Voltage output range(4) | 0.3 | VDDA – 0.3 | V | ||
| Capacitive load | Output drive capability | 100 | pF | ||
| Resistive load | Output drive capability | 5 | kΩ | ||
| RPD pulldown resistor | 50 | kΩ | |||
| Reference voltage(5) | VDAC or VREFHI | 2.4 | 2.5 or 3.0 | VDDA | V |
| Reference input resistance(6) | VDAC or VREFHI | 170 | kΩ | ||
| Output noise | Integrated noise from 100 Hz to 100 kHz | 500 | µVrms | ||
| Noise density at 10 kHz | 711 | nVrms/√Hz | |||
| Glitch energy | 1.5 | V-ns | |||
| PSRR(7) | DC up to 1 kHz | 70 | dB | ||
| 100 kHz | 30 | ||||
| SNR | 1020 Hz | 67 | dB | ||
| THD | 1020 Hz | –63 | dB | ||
| SFDR | 1020 Hz, including harmonics and spurs | 66 | dBc | ||
| 1020 Hz, including only spurs | 104 |
The VDAC pin must be kept below VDDA + 0.3 V to ensure proper functional operation. If the VDAC pin exceeds this level, a blocking circuit may activate, and the internal value of VDAC may float to 0 V internally, giving improper DAC output.
The VREFHI pin must be kept below VDDA + 0.3 V to ensure proper functional operation. If the VREFHI pin exceeds this level, a blocking circuit may activate, and the internal value of VREFHI may float to 0 V internally, giving improper ADC conversion or DAC output.
Figure 6-49 Buffered DAC Offset
Figure 6-50 Buffered DAC Gain
Figure 6-51 Buffered DAC Linearity