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MAX978

更新时间： 2023-12-20 18:44:31
品牌 Logo 应用领域
亚德诺 - ADI 比较器
页数 文件大小 规格书
10页 235K
描述
单/双/四路、SOT23封装、单电源供电、高速、低功耗比较器

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MAX978 数据手册

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MAX976/MAX978/MAX998  
Single/Dual/Quad, SOT23, Single-Supply,  
High-Speed, Low-Power Comparators  
ELECTRICAL CHARACTERISTICS (continued)  
(V  
= +2.7V to +5.5V, V  
= 0V, T = -40°C to +85°C, unless otherwise noted. Typical values are at T = +25°C.) (Note 1)  
CC  
CM  
A
A
PARAMETER  
SYMBOL  
CONDITIONS  
= 5V, I = 90% of typical  
MIN  
TYP  
15  
3
MAX  
UNITS  
µs  
MAX998 only, V  
(Note 7)  
CC  
CC  
Wake-Up from Shutdown  
Power-Up Delay  
t
EN  
t
V
CC  
= 0V to 5V step, output valid  
µs  
PU  
Note 1: The MAX998EUT specifications are 100% tested at T = +25°C. Limits over the extended temperature range are guaran-  
A
teed by design, not production tested.  
Note 2: Inferred from CMRR test. Either input can be driven to the absolute maximum limit without false output inversion, as long as  
the other input is within the common-mode voltage range.  
Note 3: V is defined as the mean of trip points. The trip points are the extremities of the differential input voltage required to make  
OS  
the comparator output change state (Figure 1).  
Note 4: The difference between the upper and lower trip points is equal to the width of the input-referred hysteresis zone (Figure 1).  
Note 5: Propagation Delay is guaranteed by design. For low overdrive conditions, V  
(Figure 1) is added to the overdrive.  
Note 6: Propagation-Delay Skew is the difference between the positive-going and the negative-going propagation delay.  
TRIP  
Note 7: For design purposes, the t can be as high as 60µs.  
EN  
__________________________________________Typical Operating Characteristics  
(V  
= +5V, V  
= 0V, T = +25°C, unless otherwise noted.)  
CM A  
CC  
SHORT-CIRCUIT OUTPUT CURRENT  
vs. TEMPERATURE  
SUPPLY CURRENT PER COMPARATOR  
vs. TEMPERATURE  
OUTPUT LOW VOLTAGE  
vs. OUTPUT SINK CURRENT  
110  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
1.6  
1.4  
1.2  
375  
V
= 5.5V, SOURCING  
CC  
V
V
= 5.5V,  
CC  
= HIGH  
OUT  
325  
275  
225  
175  
125  
V
V
= 2.7V,  
= HIGH  
CC  
OUT  
1.0  
0.8  
0.6  
0.4  
V
= 5.5V, SINKING  
CC  
V
CC  
= 2.7V  
V
= 2.7V, SOURCING  
CC  
V
V
= 5.5V,  
CC  
= LOW  
OUT  
V
CC  
= 5.5V  
0.2  
0
V
= 2.7V,  
CC  
V
= 2.7V, SINKING  
CC  
V
= LOW  
OUT  
0.1  
1
10  
100  
-60 -40 -20  
0
20 40 60 80 100  
-60 -40 -20  
0
20 40 60 80 100  
OUTPUT CURRENT (mA)  
TEMPERATURE (°C)  
TEMPERATURE (°C)  
PROPAGATION DELAY  
vs. TEMPERATURE  
PROPAGATION DELAY  
vs. CAPACITIVE LOAD  
OUTPUT HIGH VOLTAGE  
vs. OUTPUT SOURCE CURRENT  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
40  
35  
30  
25  
20  
15  
10  
6
5
4
3
2
1
0
V
C
= 50mV  
= 15pF  
OD  
LOAD  
V
= 50mV  
V
= 5.5V  
OD  
CC  
V
= 2.7V  
CC  
V
= 2.7V  
CC  
V
= 5.5V  
CC  
-60 -40 -20  
0
20 40 60 80 100  
10  
100  
1000  
0.1  
1
10  
100  
TEMPERATURE (°C)  
CAPACITIVE LOAD (pF)  
OUTPUT CURRENT (mA)  
Maxim Integrated  
3
1234567...10

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