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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

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| QV PDF |
12V, Ultra-Low-IQ, Low-Dropout Linear Regulators MAX1725, MAX1726

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| QV PDF |
Ultra-Low-Power, Single-Supply Op Amp + Comparator + Reference MAX951, MAX952, MAX953, MAX954

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| 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
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Yes
|
10
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0 to VCC-1.6
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20
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1
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3
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50
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80 @ 1kHz
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4
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0.4 to VCC-0.4 @ 100k
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2.7
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7
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-40 to +85
-55 to +125
0 to +70
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MAX952
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Yes
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10
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0 to VCC-1.6
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125
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10
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3
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50
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80 @ 1kHz
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4
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0.4 to VCC-0.4 @ 100k
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2.7
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7
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-40 to +85
-55 to +125
0 to +70
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MAX953
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No
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8
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0 to VCC-1.6
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20
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1
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3
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50
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80 @ 1kHz
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4
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0.4 to VCC-0.4 @ 100k
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2.4
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7
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-40 to +85
-55 to +125
0 to +70
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| 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
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1
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2.5
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12
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-
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1.5
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5
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0.3
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20
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4.5
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No
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No
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-
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-
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No
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Yes
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-40 to +85
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MAX1726
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1
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2.5
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12
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1.8
2.5
3.3
5.0
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-
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-
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0.3
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20
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4.5
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No
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No
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-
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-
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No
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Yes
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-40 to +85
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MAX8880
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1
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2.5
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12
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-
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1.25
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5
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0.36
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200
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10
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No
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POK
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Open Drain Active Low
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Vout-9.5%
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No
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Yes
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-40 to +85
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MAX8881
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1
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2.5
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12
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1.8
2.5
3.3
5.0
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-
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-
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0.36
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200
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10
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No
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POK
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Open Drain Active Low
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Vout-9.5%
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No
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Yes
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-40 to +85
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| See All Linear Regulators (138) |
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