User Manual

Initial accuracy: ±0.1% (maximum)
Maximum temperature coefficient: 8 ppm/°C
Operating temperature range: −40°C to +125°C
Output current: +10 mA source/−3 mA sink
Low quiescent current: 100 μA (maximum)
Low dropout voltage: 250 mV at 2 mA
Output noise (0.1
Hz () to 10 Hz ()): <10 μV p-p at 1.2 V (typical)
A divided version is provided to the
DAC ():
Figure 3. Reference voltage. []
2. Arbitrary Waveform Generator
2.1. AWG Reference
As shown in Fig. 3, the reference voltage for the AWG is generated by IC42
V
REFIO _ AWG
= V
REF 1 V 2_ AWG
⋅ = 1 V (1)
R
27
R
26
+ R
27
2.2. AWG DAC