ADM1041ARQ-REEL Ver la hoja de datos (PDF) - Analog Devices
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ADM1041ARQ-REEL Datasheet PDF : 64 Pages
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ADM1041
SPECIFICATIONS
TA = –40 to +85°C, VDD = 5 V ± 10%, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
SUPPLIES
VDD
4.5
5.0
5.5
IDD, Current Consumption
Peak IDD, during EEPROM Erase Cycle1, 2
6
10
40
UNDERVOLTAGE LOCKOUT, VDD
Start-Up Threshold
4
4.3
4.5
Stop Threshold
3.7
4
4.2
Hysteresis
0.3
VREF, 2.5 VREFOUT
Output Voltage
2.49
2.50
2.51
Line Regulation
–5
0
+5
Load Regulation
–5
0
+5
Temperature Stability2
±100
Long-Term Stability2
±5
Current Limit
10
20
Output Resistance2
0.5
Load Capacitance
1
Ripple Due to Autozero2
±5
POWER BLOCK PROTECTION
VDD Overvoltage
5.8
6.2
6.5
VDD Overvoltage Debounce
10
20
VREF Overvoltage
2.9
VREFOUT Undervoltage
2.1
Open Ground
0.1
0.2
0.35
Debounce
100
200
POWER-ON RESET
DC Level
1.5
2.2
2.75
DIFFERENTIAL LOAD VOLTAGE SENSE INPUT,
(VS−, VS+)
VS− Input Voltage
VS+ Input Voltage
VS− Input Resistance
VS+ Input Resistance
VNOM Adjustment Range
Set Load Voltage Trim Step
0.5
VDD – 2
35
500
1.7 to 2.3
0.10 to 0.14
1.74 –> 3.18
Set Load Overvoltage Trim Range
Set Load Overvoltage Trim Step
105 to 120
0.09
1.6
Recover from Load OV False to FG True
100
200
300
400
Operate Time from Load OV to FG False
2
Unit
V
mA
mA
V
V
V
V
mV
mV
ppm/°C
mV
mA
Ω
nF
mV p-p
V
µs
V
V
V
µs
V
V
V
kΩ
kΩ
V
%
mV
%
%
mV
µs
µs
µs
µs
µs
Test Conditions/Comments
See Figure 9.
Reg 0Fh[4:2] = 111. See Table 24.
IREF = 1 mA, TA = 25°C
4.5 V ≤ VDD ≤ 5.5 V
0 mA ≤ IREF ≤ 2 mA
IREF = 1 mA
Over 1,000 hr, TJ = 125°C
VREF = 2.4 V
Recommended for stability
VREF refreshed at 30 kHz
Latching
Internal
External
VGND positive with respect to VS−
VDDOK
VDD rising
See Figure 6. VNOM = (VS+ – VS−)
VNOM is typically 2 V
Voltage on Pin 20
Voltage on Pin 21
1.7 V ≤ VNOM ≤ 2.3 V typ
8 bits, 255 steps
Reg 19h[7:0]. See Table 34
1.7 V ≤ VNOM ≤ 2.3 V min
8 bits, 255 step/s
Reg 08h[7:0]. See Table 17.
VS+ = 2.24 V
Reg 03h[1:0] = 00. See Table 12.
Reg 03h[1:0] = 01. See Table 12.
Reg 03h[1:0] = 10. See Table 12.
Reg 03h[1:0] = 11. See Table 12.
Rev. A | Page 6 of 64
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