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| 型號： | 71M6532D-IGTR/F |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP100 |
| 封裝： | LEAD FREE, LQFP-100 |
| 文件頁數(shù)： | 82/120頁 |
| 文件大小： | 2477K |
| 代理商： | 71M6532D-IGTR/F |
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Data Sheet 71M6531D/F-71M6532D/F
FDS 6531/6532 005
64
2005-2010 TERIDIAN Semiconductor Corporation
v1.3
3.3
Temperature Measurement
Measurement of absolute temperature uses the on-chip temperature sensor and applying the following
formula:
n
T
S
N
T
N
T
+
=
)
(
In the above formula, T is the temperature in °C, N(T) is the ADC count at temperature T, Nn is the ADC
count at 25°C, Sn is the sensitivity in LSB/°C as stated in the Electrical Specifications and Tn is +25 °C.
It is recommended that temperature measurements be based on TEMP_RAW_X which is the sum of two
consecutive temperature readings, thus being higher by a factor of two than the raw sensor readings.
3.4
Temperature Compensation
3.4.1
Temperature Coefficients:
The internal voltage reference VREF is calibrated during device manufacture.
The temperature coefficient TC2 is given as a constant that represents typical component behavior (in
V/°C
2). TC1 (V/°C) can be calculated for the individual chip from the contents of the TRIMT[7:0] I/O
RAM register. TC1 and TC2 allow compensation for variations of the reference voltage to within ± 40
PPM/°C.
Since TC1 and TC2 are given in V/°C and V/°C
2, respectively, the value of the VREF voltage
(1.195V) has to be taken into account when transitioning to PPM/°C and PPM/°C
2. This means
that PPMC = 26.84*TC1/1.195 and PPMC2 = 1374*TC2/1.195).
Close examination of the electrical specification (see Table 53) reveals that the achievable deviation is
not strictly ±40 PPM/°C over the whole temperature range: Only for temperatures for which T-22 > 40 (i.e.
T > 62°C) or for which T-22 < -40 (i.e. T < -18°C), the data sheet states ±40 PPM/°C. For temperatures
between -18°C and +62°C, the error should be considered constant at ±1,600 PPM, or ±0.16%.
Parameter
Condition
Min
Typ
VREF(T) deviation from VNOM(T)
)
40
,
22
max(
10
)
(
)
(
)
(
6
T
VNOM
T
VNOM
T
VREF
-40
+40
PPM/C
Table 53: VREF Definition for 6513H
Figure 31 shows this concept graphically. The “box” from -18°C to +62°C reflects the fact that it is imprac-
tical to measure the temperature coefficient of high-quality references at small temperature excursions.
For example, at +25°C, the expected error would be ±3°C * 40 PPM/°C, or just 0.012%.
The maximum deviation of ±2520 PPM (or 0.252%) is reached at the temperature extremes. If the refer-
ence voltage is used to measure both voltage and current, the identical errors of ±0.252% add up to a
maximum Wh registration error of ±0.504%.
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| 71M6531F-IM/F | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC68 |
| 71M6532F-IGT/F | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP100 |
| 71M6531F-IMR/F | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC68 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 71M6532F | 制造商:TERIDIAN 制造商全稱:TERIDIAN 功能描述:Energy Meter IC |
| 71M6532F-IGT/F | 功能描述:計量片上系統(tǒng) - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時鐘頻率:70 Hz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6532F-IGT/F1 | 功能描述:計量片上系統(tǒng) - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時鐘頻率:70 Hz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6532F-IGTR/F | 功能描述:計量片上系統(tǒng) - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時鐘頻率:70 Hz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6532F-IGTR/F1 | 功能描述:計量片上系統(tǒng) - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時鐘頻率:70 Hz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
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