71M6533 Datasheet, PDF (111/132 Pages) Teridian Semiconductor Corporation – Energy Meter IC

FDS_6533_6534_004
71M6533/G/H and 71M6534/H Data Sheet
6.4.8 2.5 V Voltage Regulator
Unless otherwise specified, the load = 5 mA.
Table 77: 2.5 V Voltage Regulator Performance Specifications
Parameter
Condition
Min Typ Max
V2P5
Iload = 0
2.3
2.5
2.7
V2P5 load regulation
Iload = 0 mA to 5 mA
40
Voltage overhead V3P3SYS-V2P5
Iload = 5 mA, reduce V3P3
until V2P5 drops 200 mV
460
PSSR ∆V2P5/∆V3P3
RESET=0, iload=0
-2
+2
6.4.9 Low-Power Voltage Regulator
Unless otherwise specified, V3P3SYS = V3P3A = 0, PB=GND (BROWNOUT).
Table 78: Low-Power Voltage Regulator Performance Specifications
Parameter
V2P5
V2P5 load regulation
VBAT voltage requirement
PSRR ΔV2P5/ΔVBAT
Condition
Min Typ Max
ILOAD = 0
2.3 2.5 2.7
ILOAD = 0 mA to 1 mA
30
ILOAD = 1 mA, reduce VBAT
until REG_LP_OK = 0
3.0
ILOAD = 0
-50
50
Unit
V
mV
mV
mV/V
Unit
V
mV
V
mV/V
6.4.10 Crystal Oscillator
Table 79: Crystal Oscillator Performance Specifications
Parameter
Maximum Output Power to Crystal ¹
XIN to XOUT Capacitance ²
Capacitance to GNDD ²
XIN
XOUT
Condition
Crystal connected
RTCA_ADJ = 0
Min Typ Max Unit
1
μW
3
pF
5
pF
5
pF
1 _{This specification defines a nominal relationship rather than a measured parameter. Correct circuit}
operation will be verified with other specs that use this nominal relationship as a reference.
2 _{This specification will be guaranteed and verified in production samples, but will not be measured in}
production.
6.4.11 Optical Interface
Table 80: Optical Interface Performance Specifications
Parameter
OPT_TX VOH (V3P3D-OPT_TX)
OPT_TX VOL
Condition
ISOURCE =1 mA
ISINK = 20 mA
Min Typ Max Unit
0.4
V
0.7
V
Rev 2
111