71M6541D-IGT/F Maxim Integrated Products, 71M6541D-IGT/F Datasheet - Page 141
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71M6541D-IGT/F
Manufacturer Part Number
71M6541D-IGT/F
Description
PMIC Solutions Precision Energy Meter IC
Manufacturer
Maxim Integrated Products
Type
Metering SoCr
Datasheet
1.71M6541F-DB.pdf
(165 pages)
Specifications of 71M6541D-IGT/F
Core
8051
Core Architecture
8051
Data Bus Width
8 bit
Data Ram Size
3 KB
Device Million Instructions Per Second
5 MIPS
Interface Type
I2C, ICE, SPI, UART
Maximum Clock Frequency
5 MHz
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Number Of Programmable I/os
30
Number Of Timers
2
On-chip Adc
22 bit
Operating Supply Voltage
3 V to 3.6 V
Package / Case
LQFP-64
Processor Series
8051
Program Memory Size
32 KB
Program Memory Type
Flash
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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6.4.3 Battery Monitor
6.4.4 Temperature Monitor
v1.1
Parameter
BV: Battery Voltage
(definition)
Measurement Error
Input impedance in
continuous measurement,
MSN mode.
V(VBAT_RTC)/I(VBAT_RTC)
Load applied with BCURR
IBAT(BCURR=1) - IBAT(BCURR=0)
Parameter
Temperature Measurement
Equation
Temperature Error
VBAT_RTC charge per
measurement
Duration of temperature
measurement after setting
TEMP_START
(see note 1)
Notes:
1.
100
Guaranteed by design; not production tested.
⋅
VBAT
BV
Table 98: Battery Monitor Performance Specifications (TEMP_BAT= 1)
−
1
© 2008–2011 Teridian Semiconductor Corporation
Condition
MSN mode, TEMP_PWR = 1
BRN mode,
TEMP_PWR=TEMP_BSEL
VBAT =
V3P3 = 3.3 V,
TEMP_BSEL = 0,
TEMP_PER = 111,
VBAT_RTC = 3.6 V,
V3P3 = 3.3 V
4.0 V
2.0 V
2.5 V
3.0 V
Condition
In MSN,
In BRN, TEMP_PWR
T
TEMP_BSEL = 0,
TEMP_PWR=0,
SLP Mode,
VBAT_RTC = 3.6 V
TEMP_PWR
TEMP_PER
SLP Mode,
VBAT_RTC = 3.6 V
Force V3P3D = 1.0 V
Table 99. Temperature Monitor
A
=+22°C
= 0.325 ∙ + 0.00218 ∙
TEMP_PWR
= 7,
= 0,
=
= 0.325 ∙ + 22
=1:
TEMP_BSEL:
= 3.291 + ( − 142 ) ∙ 0.0255 +
= 3.3 + ( − 142 ) ∙ 0.0246 +
Min
-7.5
50
-5
-3
-3
1
Min
-2
2
∙ 328
− 0.609 ∙ + 64.4
∙ 297
Typ
100
Typ
16
15
Max
140
7.5
5
3
5
Max
+2
60
Unit
MΩ
Unit
µA
µC
ms
%
°C
°C
V
141
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