参数资料
型号: 71M6521FE-DB
厂商: Maxim Integrated Products
文件页数: 93/107页
文件大小: 0K
描述: BOARD DEMO FOR 71M6521FE
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
主要目的: 电源管理,电度表/功率表
嵌入式:
已用 IC / 零件: 71M6521
已供物品: 2 个板,线缆,CD,电源
71M6521DE/DH/FE Data Sheet
CRYSTAL OSCILLATOR
PARAMETER
Maximum Output Power to Crystal
XIN to XOUT Capacitance
Capacitance to DGND
XIN
XOUT
CONDITION
Crystal connected
MIN
TYP
3
5
5
MAX
1
UNIT
μW
pF
pF
pF
VREF, VBIAS
Unless otherwise specified, VREF_DIS =0
PARAMETER
VREF output voltage, VNOM(25)
VREF chop step
VREF output impedance
CONDITION
Ta = 22oC
VREF_CAL =1,
I LOAD = 10 μA, -10 μA
MIN
1.193
TYP
1.195
MAX
1.197
50
2.5
UNIT
V
mV
VNOM ( T ) = VREF ( 22 ) + ( T ? 22 ) TC 1 + ( T ? 22 ) TC 2
VNOM definition 2
2
V
-- If TRIMBGA and TRIMBGB not available --
VREF temperature coefficients
TC1 +7.0
TC2 -0.341
VREF(T) deviation from VNOM(T)
VREF ( T ) ? VNOM ( T ) 10 6 Ta = -40oC to +85oC -40 1
VNOM ( T ) max( T ? 22 , 40 )
+40 1
μV/oC
μV/°C 2
ppm/oC
???????? 22 , 1 ≡ ???????? _ ?????? _ ?? /2 10 -- where TEMP_RAW_X is measured with FIRLEN=1
--this calculates the value of TEMP 22 if measured with FIRLEN=0
???????? 22 , 0 =
?? = 0.1 ? ?????????????? ? 0.143 ? ( ?????????? + 0.5)
2 . 3704
?? = ???????? 22 , 0 ? (500 ? ?????????????? + 370000)
?? = (56.2 ? ?????????? ) ? 0.55
?? + 19 ?? ? 0.065 ???? + 0.34 ?? + 8.0
0.015 ?? ? 0.0013 ?? ? 0.35
-20 1
+20 1
VREF ( T ) ? VNOM ( T ) 10 6
-- If TRIMBGA and TRIMBGB are available (71M6521DH) --
Define the following variables:
???????? 22 , 1
VNOM temperature coefficients 900
( Δ v and ΔT are defined in the
section entitled “Voltage Refer-
ence”)
TC1
TC2
VREF(T) deviation from VNOM(T)
Ta = -40oC to +85oC
VNOM ( T ) max( T ? 22 , 40 )
μV/oC
μV/oC 2
ppm/oC
VREF aging
±25
ppm/ year
VBIAS voltage
Ta = 25oC
Ta = -40oC to 85oC
(-1%)
(-4%) 1
1.6
1.6 1
(+1%)
(+4%) 1
V
V
1
2
Guaranteed by design; not production tested.
This relationship describes the nominal behavior of VREF at different temperatures.
Rev 3
Page: 93 of 107
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