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文件名称：典型温度特性-flutter实战
文件大小：5.9MB
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更新时间：2021-06-09 12:11:57
ti ucd3138 数字电源 芯片资料
UCD3138
SLUSAP2B –MARCH 2012 –REVISED JULY 2012 www.ti.com
3.8 典型温度特性
2.1
(m
V
) 2
L
S
B
S
iz
e
1.9
1.8
E
A
D
C
1.7
1.6
−40 −20 0 20 40 60 80 100 120
Temperature (°C)
G005a
图 3-4. EADC LSB Size with 4X Gain (mV) vs. Temperature
ADC12 Measurement Temperature Sensor Voltage
2.6
2.4
(V
)
2.2
V
o
lt
a
g
e
2.0
S
e
n
s
o
r
1.8
1.6
1.4
−60 −40 −20 0 20 40 60 80 100 120 140 160
Temperature (°C)
G006b
图 3-5. ADC12 Measurement Temperature
Sensor Voltage vs. Temperature
ADC12 2.5-V REFERENCE
2.515
2.510
R
e
fe
re
n
c
e
2.505
2.500
2.495
A
D
C
1
2
2.490
2.485
2.480
2.475
−40 −20 0 20 40 60 80 100 120
Temperature (°C)
G003b
图 3-6. ADC12 2.5-V Reference vs.
Temperature
ADC12 Temperature Sensor Measurement Error
8
6
(L
S
B
)
4
E
rr
o
r
2
A
D
C
1
2
0
−2
−4
−40 −20 0 20 40 60 80 100 120
Temperature (°C)
G002b
图 3-7. ADC12 Temperature Sensor
Measurement Error vs. Temperature
UCD3138 Oscillator Frequency
2.08
R
e
fe
re
n
c
e
2.04
2
2
-M
H
Z
1.96
1.92
−40 −20 0 20 40 60 80 100 120
Temperature (°C)
G004b
图 3-8. UCD3138 Oscillator Frequency (2MHz
Reference, Divided Down from 250MHz) vs.
Temperature
22 Electrical Specifications Copyright © 2012, Texas Instruments Incorporated
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