ADM1041AARQZ Просмотр технического описания (PDF) - Analog Devices
Номер в каталоге
Компоненты Описание
производитель
ADM1041AARQZ Datasheet PDF : 56 Pages
| |||
Parameter
CURRENT LIMIT ERROR AMPLIFIER
Current Limit Trim Range2
Current Limit Trim Step
Current Limit Trim Step
Transconductance
Output Source Current
Output Sink Current
CURRENT SHARE DRIVER
Output Voltage6
Short Circuit Source Current
Source Current
Sink Current
CURRENT SHARE DIFFERENTIAL SENSE
AMPLIFIER
VS– Input Voltage
VSHRS Input Voltage
Input Impedance2
Gain
CURRENT SHARE ERROR AMPLIFIER
Transconductance, SHRS to SCMP
Output Source Current
Output Sink Current
Input Offset Voltage
Share OK Window Comparator Threshold
(Share Drive Error)
CURRENT LIMIT
Current Limit Control Lower Threshold
Current Limit Control Upper Threshold
CURRENT SHARE CAPTURE
Current Share Capture Range
Capture Threshold
FET OR GATE DRIVE
Output Low Level (On)
Output Leakage Current
REVERSE VOLTAGE COMPARATOR, FS, FD
Common-Mode Range
Min
Typ
105
1.1
26.5
100
200
40
40
(VDD – 0.4)
60
65
100
1.0
100
200
40
40
40
50
±100
±200
±300
±400
1.3
0.7
1
1.4
2
2.1
3
2.8
4
0.6
1.0
−5
0.25
2.0
Max
Unit
130
%
%
mV
300
μA/V
μA
μA
V
55
mA
15
mA
100
μA
0.5
VDD – 2
300
60
V
V
kΩ
V/V
μA/V
μA
μA
mV
mV
mV
mV
mV
V
3.5
V
1.3
%
2.6
%
3.9
%
5.2
%
1.4
V
0.4
V
0.8
V
+5
μA
(VDD – 2) V
ADM1041A
Test Conditions/Comments
See Figure 13
After ISHARE calibration
2.0 ≤ VSHARE ≤ 2.8 V typ, 5 bits, 31 steps.
Reg 04h[7:3]. See Table 13.
ICCMP = ±20 μA. See Figure 12.
VCCMP = >1 V
VCCMP = <VDD – 1 V
See Figure 15
RL = 1 kΩ, VSHRS ≤ VDD – 2 V
Current at which VOUT does not drop
by more than 5%
VSHARE = 2.0 V
See Figure 15
Voltage on Pin 20
Voltage on Pin 23
VSHRS = 0.5 V, VS− = 0.5 V
ISCMP = ±20 μA
VSCMP > 1 V
VSCMP < VDD – 1 V
Master/slave arbitration
SHRS = 2 V ± SHRTHRESH
Reg 04h[1:0] = 00. See Table 13.
Reg 04h[1:0] = 01. See Table 13.
Reg 04h[1:0] = 10. See Table 13.
Reg 04h[1:0] = 11. See Table 13.
Figure 10
VCCMP = 0.7 V, VS+ = 1.5 V
VS+ = 0 V, VSCMP = 0 V
VSCMP = 3.5 V.
Reg 10h[5:4] = 00. See Table 25.
Reg 10h[5:4] = 01. See Table 25.
Reg 10h[5:4] = 10. See Table 25.
Reg 10h[5:4] = 11. See Table 25.
Open-drain N-channel FET
IIO = 5 mA
IIO = 10 mA
VCS− = FS
Voltage set by CS resistor divider.
Voltage on CS− pin, TA = 25°C.
Rev. 0 | Page 9 of 56
Share Link: 