78M6618 Data Sheet
DS_6618_005
2.4.7 2.5 V Voltage Regulator
Table 11: 2.5 V Voltage Regulator Performance Specifications
Parameter
Condition
Min
Typ
Max
Unit
V
V2P5
Iload = 0
2.3
2.5
2.7
40
V2P5 load regulation
Voltage overhead V3P3-V2P5
Iload = 0 mA to 5 mA
mV
mV
Iload = 5 mA, reduce V3P3
until V2P5 drops 200 mV
470
RESET=0, iload=0
-2
+2
mV/V
PSSR ∆V2P5/∆V3P3
2.4.8 Low-Power Voltage Regulator
Unless otherwise specified, V3P3SYS = V3P3A = 0.
Table 12: Low-Power Voltage Regulator Performance Specifications
Parameter
Condition
Min
Typ
Max
2.7
30
Unit
V
V2P5
ILOAD = 0
2.3
2.5
V2P5 load regulation
ILOAD = 0 mA to 1 mA
mV
V
ILOAD = 1 mA, reduce VBAT
until REG_LP_OK = 0
3.0
VBAT voltage requirement
PSRR ΔV2P5/ΔVBAT
ILOAD = 0
-50
50
mV/V
2.4.9 Crystal Oscillator
Table 13: Crystal Oscillator Performance Specifications
Parameter
Condition Min Typ
Max
1
Unit
µW
pF
Maximum Output Power to Crystal 4 Crystal connected
XIN to XOUT Capacitance 1
3
Capacitance to DGND 1
RTCA_ADJ = 0
XIN
XOUT
5
5
pF
pF
2.4.10 LCD DAC
Table 14: LCD DAC Performance Specifications
Parameter
Condition
Min
Typ
Max
Unit
VLCD Voltage
-10
+10
%
1 ≤ LCD_DAC ≤ 7
VLCD = V3P3⋅(1− 0.059⋅ LCD_DAC) − 0.019V
18
Rev. 1.4
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
