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參數資料
| 型號： | ADN8831 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Thermoelectric Cooler (TEC) Controller |
| 中文描述： | 熱電制冷器（TEC）控制器 |
| 文件頁數： | 4/11頁 |
| 文件大?。?/td> | 505K |
| 代理商： | ADN8831 |
ADN8831
PRELIMINARY TECHNICAL DATA
Rev.Pr C | Page 4 of 11
Table 2. ADN8831—Electrical Characteristics (V
+
= 3.0 V to 5.5 V, T
A
= 25°C, unless otherwise noted.)
Parameter
Symbol
Conditions
TEC CURRENT MEASUREMENT
ITEC Gain
A
V,ITEC
V
ITEC
/(V
LFB
-V
CS
)
ITEC Output Range
V
ITEC
ITEC Input Range
V
CS, VLFB
ITEC Bias Voltage
V
ITEC, B
V
LFB
= V
CS
= 0
ITEC Output Current
I
OUT,TEC
TEC VOLTAGE MEASUREMENT
VTEC Gain
A
V,VTEC
V
VTEC
/(V
LFB
-V
SFB
)
VTEC Output Range
V
VTEC
VTEC Bias Voltage
V
VTEC,B
V
LFB
= V
SFB
= 2.5V
VTEC Output Current
I
VTEC
VOLTAGE LIMIT
VLIM Gain
A
V,LIM
V
SFB
/V
VLIM
VLIM Input Range
V
VLIM
VLIM Input Current, cooling
I
VLIM,COOL
V
OUT2
< 1.25V
VLIM Input Current, heating
I
VLIM,HEAT
V
OUT2
>1.25V
VLIM Input Current Accuracy,
heating
CURRENT LIMIT
ILIMC Input Voltage Range
V
ILIMC
ILIMH Input Voltage Range
V
ILIMH
ILIMC Limit Threshold
V
TH,ILIMC
V
ITEC
= 2.0V
ILIMH Limit Threshold
V
TH,ILIMH
V
ITEC
= 0.5V
TEMPERATURE GOOD
High Threshold
V
OUT1,TH1
IN2M tied to OUT2, V
IN2P
= 1.5V
Low Threshold
V
OUT1,TH2
IN2M tied to OUT2, V
IN2P
= 1.5V
Min
98
0
0
1.2
0.23
0
1.2
0
0.9
Typ
100
1.25
1
0.25
1.25
1
5
I
FREQ
1.0
Max
102
V
DD
V
DD
1.3
0.27
2.5
1.3
V
DD
100
1.1
Unit
V/V
V
V
V
mA
V/V
V
V
mA
V/V
V
nA
mA
A/A
I
VLIM,HEAT
I
VLIM
/I
FREQ
1.25
0
1.98
0.48
1.470
2.0
0.5
1.525
1.475
V
DD
1.25
2.02
0.52
1.530
V
V
V
V
V
V
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