AB18X5 Real-Time Clock with Power

Management Family

Date of Issue: October 16, 2014

3.0 x 3.0 mm

Page 15 of 37

Abracon Drawing #453568

Revision: C

Figure 4 shows the typical calibrated RC oscillator frequency variation vs. temperature. RC oscillator

calibrated at 2.8V, 25°C.

Figure 4. Calibrated RC Oscillator Typical Frequency Variation vs. Temperature

Figure 5 shows the typical uncalibrated RC oscillator frequency variation vs. temperature.

Figure 5. Uncalibrated RC Oscillator Typical Frequency Variation vs. Temperature

115

120

125

130

135

140

145

150

‐40

‐30

‐20

‐10

0

102030

40

50

607080

Temperature (°C)

VCC = 1.8V

VCC = 3.0V

115

120

125

130

135

140

145

‐40

‐30

‐20

‐10

0

102030

40

50

607080

Temperature (°C)

VCC = 1.8V

VCC = 3.0V