71M6543F Datasheet, PDF (140/157 Pages) Maxim Integrated Products – Selectable Gain of 1 or 8 for One Current Energy Meter ICs Metrology Compensation

71M6543F/H and 71M6543G/GH Data Sheet
6.4.9 2.5 V Voltage Regulator – Battery Power
Table 99: Low-Power Voltage Regulator Performance Specifications
Parameter
Condition
Min Typ Max Unit
V2P5
VBAT = 3.0 V - 3.8 V,
V3P3 = 0 V, ILOAD = 0 mA
2.55 2.65 2.75
V
V2P5 load regulation
VBAT = 3.3 V, V3P3 = 0 V,
ILOAD = 0 mA to 1 mA
40
mV
Voltage Overhead 2V − VBAT-VDD
ILOAD = 0ma, VBAT = 2.0 V,
V3P3 = 0 V.
200 mV
6.4.10 Crystal Oscillator
Table 100: Crystal Oscillator Performance Specifications
Parameter
Condition
Min Typ Max Unit
Maximum Output Power to Crystal Crystal connected, see note 1
XIN to XOUT Capacitance
(see note 1)
1
μW
3
pF
Capacitance change on XOUT
RTC_ADJ = 7F to 0,
Bias voltage = unbiased
Vpp = 0.1 V
15
pF
Note:
1. Guaranteed by design; not production tested.
6.4.11 Phase-Locked Loop (PLL)
Table 101: PLL Performance Specifications
PARAMETER
PLL Power-up Settling Time
PLL_FAST settling time
PLL_FAST rise
PLL_FAST fall
PLL SLP to MSN Settling Time
CONDITION
PLL_FAST =0,
V3P3 = 0 to 3.3 V step
Measured from first edge of MCK
(TMUX2OUT pin)
V3P3=0, VBAT=3.8 to 2.0 V
PLL_FAST =0
MIN TYP
3
3
3
3
MAX
UNIT
ms
ms
ms
ms
6.4.12 LCD Drivers
Table 102: LCD Drivers Performance Specifications
PARAMETER
CONDITION
MIN TYP MAX
VLCD Current
VLCD=3.3, all LCD map bits=0
2
VLCD=5.0, all LCD map bits=0
3
Note:
1. These specifications apply to all COM and SEG pins.
1. LCD_VMODE=3, LCD_ON=1, LCD_BLANK=0, LCD_MODE=6, LCD_CLK=2.
2. Output load is 74 pF per SEG and COM pin.
UNIT
uA
uA
6.4.13 VLCD Generator
Table 103: VLCD Generator Specifications
140
© 2008–2011 Teridian Semiconductor Corporation
v1.2