ADM8832 Ver la hoja de datos (PDF) - Analog Devices
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ADM8832 Datasheet PDF : 12 Pages
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ADM8832
SPECIFICATIONS
VCC = 2.6 V to 3.6 V, TA = −40°C to +85°C, unless otherwise noted; C1, C5, C6, C7 = 2.2 µF, C2, C3, C4, C8, C9 = 1 µF, CLKIN = 1 kHz in
blanking mode.
Table 1.
Parameter
INPUT VOLTAGE, VCC
SUPPLY CURRENT, ICC
+5.1 V OUTPUT
Output Voltage
Output Current
Power Efficiency
Output Ripple
Transient Response
+15.3 V OUTPUT
Output Voltage
Output Current
Output Ripple
−10.2 V OUTPUT
Output Voltage
Output Current
Output Ripple
POWER EFFICIENCY
(+15.3 V and −10.2 V Outputs)
CHARGE PUMP FREQUENCY
CONTROL PINS
SHDN
Input Voltage, VSHDN
Digital Input Current
Digital Input Capacitance1
SCAN/BLANK
Input Voltage
Digital Input Current
Digital Input Capacitance1
LDO_ON/OFF
Input Voltage
Digital Input Current
Digital Input Capacitance1
Footnotes after table.
Min
2.6
5.0
14.4
−10.4
−100
−10
60
Typ Max
3.6
150
400
70
140
1
5.1
5.2
4
5
5
8
50
200
80
70
10
5
15.3 15.6
50
100
1
10
50
−10.2 −9.6
−50
−1
50
90
80
100
140
Unit
Test Conditions
V
µA
Unloaded, Scanning Period
µA
Unloaded, Blanking Period
µA
Shutdown Mode, TA = 25°C
V
mA
mA
µA
%
%
mV p-p
µs
IL = 10 µA to 8 mA
Scanning Period
Scanning Period, VCC > 2.7 V
Blanking Period
VCC = 3 V, IL = 5 mA (Scanning)
VCC = 3 V, IL = 200 µA (Blanking)
8 mA Load
IL Stepped from 10 µA to 8 mA
V
µA
µA
mV p-p
IL = 1 µA to 100 µA
Scanning Period
Blanking Period
IL = 100 µA
V
µA
µA
mV p-p
%
%
kHz
IL = –1 µA to −100 µA
Scanning Period
Blanking Period
IL = –100 µA
Relative to 5.1 V Output, IL = 100 µA (Scanning)
Relative to 5.1 V Output, IL = 10 µA (Blanking)
Scanning Period
0.7 VCC
0.7 VCC
0.7 VCC
0.3 VCC V
V
±1
µA
10
pF
0.3 VCC V
V
±1
µA
10
pF
0.3 VCC V
V
±1
µA
10
pF
SHDN Low = Shutdown Mode
SHDN High = Normal Mode
Low = BLANK Period
High = SCAN Period
Low = External LDO
High = Internal LDO
Rev. A | Page 3 of 12
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