参数资料
型号: 71M6521FE-IM/F
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, QCC68
封装: LEAD FREE, LQFN-68
文件页数: 95/103页
文件大小: 1691K
代理商: 71M6521FE-IM/F
71M6521DE/71M6521FE
Energy Meter IC
DATA SHEET
OCTOBER 2010
v1.1
2005-2010 Teridian Semiconductor Corporation
Page: 91 of 103
A Maxim Integrated Products Brand
19-5370; 10/10
CRYSTAL OSCILLATOR
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Maximum Output Power to Crystal
Crystal connected
1
μW
XIN to XOUT Capacitance
3
pF
Capacitance to DGND
XIN
XOUT
5
pF
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
50
mV
VREF output impedance
VREF_CAL =1,
ILOAD = 10A, -10A
2.5
VNOM definition
2
)
22
(
1
)
22
(
)
22
(
)
(
2 TC
T
TC
T
VREF
T
VNOM
+
+
=
V
VREF temperature coefficients
TC1
TC2
+7.0
-0.341
V/C
V/°C
2
VREF aging
±25
ppm/
year
VREF(T) deviation from VNOM(T)
62
10
)
(
)
(
6
VNOM
T
VNOM
T
VREF
Ta = -40C to +85C
-40
1
+40
1
ppm/C
VBIAS voltage
Ta = 25C
Ta = -40C to 85C
(-1%)
(-4%)
1
1.6
1
(+1%)
(+4%)
1
V
1Guaranteed by design; not production tested.
2 This relationship describes the nominal behavior of VREF at different temperatures.
LCD DRIVERS
Applies to all COM and SEG pins.
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
VLC2 Max Voltage
With respect to VLCD
-0.1
+0.1
V
VLC1 Voltage,
1/3 bias
bias
With respect to 2*VLC2/3
With respect to VLC2/2
-4
-3
0
+2
%
VLC0 Voltage,
1/3 bias
bias
With respect to VLC2/3
With respect to VLC2/2
-3
+2
%
VLCD is V3P3SYS in MISSION mode and VBAT in BROWNOUT and LCD modes.
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