all input signals are specified with tr = tf = 1 V/ns (10% to 90% of VIO) and timed from a voltage level of (VIL + VIH) / 2,
1.7 V ≤ VIO ≤ 5.5 V, 1.7 V ≤ VDD ≤ 5.5 V, and –40°C ≤ TA ≤ +125°C
|
MIN |
NOM |
MAX |
UNIT |
tGPIHIGH |
GPI high time(1) |
2 |
|
|
µs |
tGPILOW |
GPI low time(1) |
2 |
|
|
µs |
tGPAWGD |
LDAC falling edge to DAC update delay(4) |
|
|
2 |
µs |
tCS2LDAC |
SYNC rising edge to LDAC falling edge |
1 |
|
|
µs |
tSTP2LDAC |
I2C stop bit rising edge to LDAC falling edge |
1 |
|
|
µs |
tLDACW |
LDAC low time |
2 |
|
|
µs |
(1) The SCL, SDA, A0, and A1 pins can be configured as GPIOs that perform different channel-specific or independent operations. The actual response time of the GPIO is determined by the delay provided by the configured function and the settling time of the DAC.
(2) The GPIOs can be configured as channel-specific or global LDAC function.