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Maxim > Solutions > Security Systems
Smoke Detectors
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| Display |
Title / Parts |
Key Advantages |
| QV PDF |
12V, Ultra-Low-IQ, Low-Dropout Linear Regulators with POK
MAX8880, MAX8881
| |
| QV PDF |
12V, Ultra-Low-IQ, Low-Dropout Linear Regulators
MAX1725, MAX1726
| |
| QV PDF |
Ultra-Low-Power, Single-Supply Op Amp + Comparator + Reference
MAX951, MAX952, MAX953, MAX954
| |
| Key Specifications:
Integrated Amplifiers + Comparator + Reference |
| Part Number |
Internal Ref. (1.2V ±2%) |
Max. Supply Current per Comp. (µA) |
Input CMVR (V) |
Typ Op Amp Unity Gain BW (kHz) |
Min. Stable Closed Loop Gain (V/V) |
Max. Op Amp VOS (mV) |
Max. Op Amp IBIAS (pA) |
Op Amp Input Noise-Voltage Density (nV/√Hz) |
Comp. Prop. Delay (µs) |
Typ Comparator Output Swing @ Load (V) |
Supply Voltage (min) (V) |
Supply Voltage (max) (V) |
Operating Temp. Range (°C) |
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MAX951
|
Yes
|
10
|
0 to VCC-1.6
|
20
|
1
|
3
|
50
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80 @ 1kHz
|
4
|
0.4 to VCC-0.4 @ 100k
|
2.7
|
7
|
-40 to +85
-55 to +125
0 to +70
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MAX952
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Yes
|
10
|
0 to VCC-1.6
|
125
|
10
|
3
|
50
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80 @ 1kHz
|
4
|
0.4 to VCC-0.4 @ 100k
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2.7
|
7
|
-40 to +85
-55 to +125
0 to +70
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|
MAX953
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No
|
8
|
0 to VCC-1.6
|
20
|
1
|
3
|
50
|
80 @ 1kHz
|
4
|
0.4 to VCC-0.4 @ 100k
|
2.4
|
7
|
-40 to +85
-55 to +125
0 to +70
|
| See All Integrated Amplifiers + Comparator + Reference (9) |
| Key Specifications:
Linear Regulators |
| Part Number |
Regulators per Pkg. |
Min. VIN (V) |
Max. VIN (V) |
Preset VOUT (V) |
Min. Adjustable VOUT (V) |
Max. Adjustable VOUT (V) |
Typ. VDROPOUT@ Rated ILOAD (V) |
Rated ILOAD (mA) |
Max. ICC (µA) |
Low Battery/ Power Fail Output |
POK/ Reset Output |
POK/ Reset Output Type |
Nominal POK/Reset Threshold (V) |
Watchdog |
Reverse Battery Protection |
Operating Temp. Range (°C) |
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MAX1725
|
1
|
2.5
|
12
|
-
|
1.5
|
5
|
0.3
|
20
|
4.5
|
No
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No
|
-
|
-
|
No
|
Yes
|
-40 to +85
|
|
MAX1726
|
1
|
2.5
|
12
|
1.8
2.5
3.3
5.0
|
-
|
-
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0.3
|
20
|
4.5
|
No
|
No
|
-
|
-
|
No
|
Yes
|
-40 to +85
|
|
MAX8880
|
1
|
2.5
|
12
|
-
|
1.25
|
5
|
0.36
|
200
|
10
|
No
|
POK
|
Open Drain Active Low
|
Vout-9.5%
|
No
|
Yes
|
-40 to +85
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|
MAX8881
|
1
|
2.5
|
12
|
1.8
2.5
3.3
5.0
|
-
|
-
|
0.36
|
200
|
10
|
No
|
POK
|
Open Drain Active Low
|
Vout-9.5%
|
No
|
Yes
|
-40 to +85
|
| See All Linear Regulators (138) |
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