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ADN8834ACPZ-R2 数据表(PDF) 5 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) 5 Page - Analog Devices

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Data Sheet
ADN8834
Rev. B | Page 5 of 27
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
TEC CURRENT MEASUREMENT (WLCSP)
Current Sense Gain
R
CS
V
PVIN = 3.3 V
0.525
V/A
V
PVIN = 5 V
0.535
V/A
Current Measurement Accuracy
I
LDR_ERROR
700 mA ≤ I
LDR ≤ 1.5 A, VPVIN = 3.3 V
−10
+10
%
800 mA ≤ I
LDR ≤ 1.5 A, VPVIN = 5 V
−10
+10
%
ITEC Voltage Accuracy
V
ITEC_@_700_mA
V
PVIN = 3.3 V, cooling, VVREF/2 +
I
LDR × RCS
1.597
1.618
1.649
V
V
ITEC_@_−700_mA
V
PVIN = 3.3 V, heating, VVREF/2 −
I
LDR × RCS
0.846
0.883
0.891
V
V
ITEC_@_800_mA
V
PVIN = 5 V, cooling, VVREF/2 + ILDR × RCS
1.657
1.678
1.718
V
V
ITEC_@_−800_mA
V
PVIN = 5 V, heating, VVREF/2 − ILDR × RCS
0.783
0.822
0.836
V
TEC CURRENT MEASUREMENT (LFCSP)
Current Sense Gain
R
CS
V
PVIN = 3.3 V
0.525
V/A
V
PVIN = 5 V
0.525
V/A
Current Measurement Accuracy
I
LDR_ERROR
700 mA ≤ I
LDR ≤ 1 A, VPVIN = 3.3 V
−15
+15
%
800 mA ≤ I
LDR ≤ 1 A, VPVIN = 5 V
−15
+15
%
ITEC Voltage Accuracy
V
ITEC_@_700_mA
V
PVIN = 3.3 V, cooling, VVREF/2 + ILDR ×
R
CS
1.374
1.618
1.861
V
V
ITEC_@_−700_mA
V
PVIN = 3.3 V, heating, VVREF/2 − ILDR ×
R
CS
0.750
0.883
1.015
V
V
ITEC_@_800_mA
V
PVIN = 5 V, cooling, VVREF/2 + ILDR ×
R
CS
1.419
1.678
1.921
V
V
ITEC_@_−800_mA
V
PVIN = 5 V, heating, VVREF/2 − ILDR ×
R
CS
0.705
0.830
0.955
V
ITEC Voltage Output Range
V
ITEC
I
TEC = 0 A
0
V
VREF −
0.05
V
ITEC Bias Voltage
V
ITEC
I
LDR = 0 A
1.210
1.250
1.285
V
Maximum ITEC Output Current
I
ITEC
−2
+2
mA
TEC VOLTAGE MEASUREMENT
Voltage Sense Gain
A
VTEC
0.24
0.25
0.26
V/V
Voltage Measurement Accuracy
V
VTEC_@_1_V
V
LDR – VSFB = 1 V, VVREF/2 + AVTEC ×
(V
LDR – VSFB)
1.475
1.50
1.525
V
VTEC Output Voltage Range
V
VTEC
0.005
2.625
V
VTEC Bias Voltage
V
VTEC_B
V
LDR = VSFB
1.225
1.250
1.285
V
Maximum VTEC Output Current
R
VTEC
−2
+2
mA
TEMPERATURE GOOD (LFCSP Only)
TMPGD Low Output Voltage
V
TMPGD_LO
No load
0.4
V
TMPGD High Output Voltage
V
TMPGD_HO
No load
2.0
V
TMPGD Output Low Impedance
R
TMPGD_LOW
25
Ω
TMPGD Output High Impedance
R
TMPGD_LOW
50
Ω
High Threshold
V
OUT1_THH
IN2N tied to OUT2, V
IN2P = 1.5 V
1.54
1.56
V
Low Threshold
V
OUT1_THL
IN2N tied to OUT2, V
IN2P = 1.5 V
1.40
1.46
V
INTERNAL SOFT START
Soft Start Time
t
SS
150
ms
VLIM/SD SHUTDOWN
VLIM/SD Low Voltage Threshold
V
VLIM/SD_THL
0.07
V
THERMAL SHUTDOWN
Thermal Shutdown Threshold
T
SHDN_TH
170
°C
Thermal Shutdown Hysteresis
T
SHDN_HYS
17
°C
1 This specification is guaranteed by design.
2 This specification is guaranteed by characterization.



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