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ADN8834ACPZ-R2 数据表(PDF) 9 Page - Analog Devices

部件名 ADN8834ACPZ-R2
功能描述  Ultracompact, 1.5 A Thermoelectric Cooler (TEC) Controller
PDF  27 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADN8834ACPZ-R2 数据表(HTML) 9 Page - Analog Devices

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Data Sheet
ADN8834
Rev. B | Page 9 of 27
–0.10
–0.08
–0.06
–0.04
–0.02
0
0.02
0.04
0.06
0.08
0.10
0
20
40
60
80
100
120
140
160
180
200
TIME (Seconds)
T = 15°C
T = 25°C
T = 35°C
T = 45°C
T = 55°C
Figure 10. Thermal Stability over Ambient Temperature at VIN = 3.3 V,
VTEMPSET = 1 V
–0.10
–0.08
–0.06
–0.04
–0.02
0
0.02
0.04
0.06
0.08
0.10
0
20
40
60
80
100
120
140
160
180
200
TIME (Seconds)
T = 15°C
T = 25°C
T = 35°C
T = 45°C
T = 55°C
Figure 11. Thermal Stability over Ambient Temperature at VIN = 3.3 V,
VTEMPSET = 1.5 V
VIN = 2.7V AT NO LOAD
VIN = 3.3V AT NO LOAD
VIN = 5.5V AT NO LOAD
VIN = 2.7V AT 5mA LOAD
VIN = 3.3V AT 5mA LOAD
VIN = 5.5V AT 5mA LOAD
1.0
–50
0
50
AMBIENT TEMPERATURE (°C)
100
150
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
Figure 12. VREF Error vs. Ambient Temperature
0.20
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
0.15
0
10
9
8
7
6
5
4
3
2
1
LOAD CURRENT AT VREF (mA)
VIN = 3.3V, ITEC = 0A
VIN = 3.3V, ITEC = 0.5A, COOLING
VIN = 3.3V, ITEC = 0.5A, HEATING
VIN = 5.0V, ITEC = 0A
VIN = 5.0V, ITEC = 0.5A, COOLING
VIN = 5.0V, ITEC = 0.5A, HEATING
Figure 13. VREF Load Regulation
–20
–15
–10
–5
0
5
10
15
20
0
0.5
1.0
1.5
TEC CURRENT (A)
VIN = 3.3V
VIN = 5V
Figure 14. ITEC Current Reading Error vs. TEC Current in Cooling Mode
–20
–15
–10
–5
0
5
10
15
20
–1.5
–1.0
–0.5
0
TEC CURRENT (A)
VIN = 3.3V
VIN = 5V
Figure 15. ITEC Current Reading Error vs. TEC Current in Heating Mode



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