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參數(shù)資料
型號: 71M6511-IGTR
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP64
封裝: LQFP-64
文件頁數(shù): 87/98頁
文件大小: 1278K
代理商: 71M6511-IGTR
71M6511/71M6511H
Single-Phase Energy Meter IC
DATA SHEET
NOVEMBER 2010
Page: 88 of 98
2005–2010 Teridian Semiconductor Corporation
V2.7
A Maxim Integrated Products Brand
VREF, VBIAS
Unless otherwise specified, VREF_DIS=0
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
VREF output voltage, VNOM(25)
Ta = 22C
1.193
1.195
1.197
V
VREF chop step
40
mV
VREF output impedance
VREF_CAL = 1,
ILOAD = 10A, -10A
2.5
VNOM definition
A
VNOM(T) = VREF(22) + (T–22)TC1 + (T–22)
2TC2
V
-- If TRIMBGA and TRIMBGB available (6511H) --
VREF temperature coefficients
TC1 (linear)
TC2 (quadratic)
TRIMBGA, TRIMBGB, TRIMM[2:0]: See
TRIMSEL, TRIM registers
x(33-0.28y) + 0.33y + 7.9
x(0.02-0.0002y) – 0.46
where x = 0.1TRIMBGB - 0.14(TRIMM[2:0]+0.5),
900
370000
_
500
7404
.
4
_
=
BGA
TRIM
NOM
TEMP
y
V/°C
2
VREF(T) deviation from VNOM(T)
)
40
|,
22
max(|
10
)
(
)
(
6
T
VNOM
T
VNOM
T
VREF
-10
10
ppm/C
-- If TRIMBGA and TRIMBGB not available (6511) --
VREF temperature coefficients
TC1 (linear)
TC2 (quadratic)
7.0
-0.341
V/C
V/°C
2
VREF(T) deviation from VNOM(T)
)
40
|,
22
max(|
10
)
(
)
(
6
T
VNOM
T
VNOM
T
VREF
Ta = -40C to +85C
-40
1
+40
1
ppm/C
VREF aging
Ta = 25C
±25
ppm/
year
VBIAS output voltage
Ta = 25C
Ta = -40C to 85C
(-1%)
(-2%)
1
1.5
1
(+1%)
(+2%)
1
V
VBIAS output impedance
ILOAD = 1mA, -1mA
240
500
Ω
1Guaranteed by design, not subject to test.
A This relationship describes the nominal behavior of VREF at different temperatures.
CRYSTAL OSCILLATOR
Crystal is disconnected. Test load is series 200pF, 100k
connected between DGND and XOUT.
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Maximum Output Power to Crystal
4
Crystal connected
1
μW
XIN to XOUT Capacitance
3
pF
Capacitance to DGND
XIN
XOUT
5
pF
Watchdog RTC_OK threshold
25
kHz
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