78M6612-DB/OMU-USB Maxim Integrated Products, 78M6612-DB/OMU-USB Datasheet - Page 95

• Manufacturer Part Number: 78M6612-DB/OMU-USB
• Description: KIT DEMO OUTLET MEASUREMENT OMU1
• Manufacturer: Maxim Integrated Products

Specifications of 78M6612-DB/OMU-USB

• Data Bus Width: 8 bit
• Interface Type: USB
• Tool Type: Demonstration Board
• Core Architecture: 8051
• Cpu Core: 80515
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS_6612_001
5.4.9
5.4.10
Unless otherwise specified,
A
5.4.11
Applies to all COM and SEG pins.
VLCD is V3P3SYS in MISSION mode and VBAT in BROWNOUT and LCD modes.
5.4.12
Rev. 1.2
VREF
Parameter
Maximum Output Power to Crystal
XIN to XOUT Capacitance
Capacitance to DGND
Parameter
VREF output voltage, VNOM(25)
VREF chop step
VREF output impedance
VNOM definition
VREF temperature coefficients
VREF aging
VREF(T) deviation from VNOM(T)
VBIAS voltage
Parameter
VLC2 Max Voltage
This relationship describes the nominal behavior of VREF at different temperatures.
VLC1 Voltage,
VLC0 Voltage,
XIN
XOUT
TC1
TC2
(
T
VNOM
Crystal Oscillator
VREF, VBIAS
LCD Drivers
)
⅓ bias
½ bias
⅓ bias
½ bias
−
VNOM
A
(
T
)
10
62
6
VREF_DIS
=0
With respect to VLCD
With respect to 2*VLC2/3
With respect to VLC2/2
With respect to VLC2/3
With respect to VLC2/2
Crystal connected
Ta = 22ºC
VREF_CAL =1,
I
Ta = -40ºC to +85ºC
Ta = 25 ºC
Ta = -40 ºC to 85 ºC
VNOM
LOAD
Condition
= 10 µA, -10 µA
Condition
Condition
(
T
)
=
VREF
(
22
)
+
(
T
−
1.193
22
(-1%)
(-4%)
Min
Min
-40
Min
-0.1
-4
-3
-3
-3
)
TC
1
+
(
-0.341
T
1.195
+7.0
Typ
Typ
±25
Typ
1.6
1.6
−
22
78M6612 Data Sheet
)
2
TC
(+1%)
(+4%)
1.197
Max
Max
0+.1
+40
Max
2
2.5
50
+2
+2
+2
0
1
3
5
5
µV/°C
ppm/º
µV/ºC
ppm/
Unit
year
mV
Unit
Unit
kΩ
µW
pF
pF
pF
V
V
C
V
V
%
%
%
%
V
2
95