Rainbow-electronics MAX6508 Bedienungsanleitung PDF herunterladen (Seite 8)

Temperature-Window Alarm

The MAX6507 and MAX6508 have an output (OK, OK)

that indicates the die temperature is within the selected

temperature window. This output is asserted when

within the window, and deasserted when outside the

window. Additionally, a second digital output indicates

when the die temperature is above the upper set point.

This is useful in systems where operation is optimized

over a predetermined temperature range. The thermal

overrange signal can be used to assert a thermal shut-

down, power-up, recalibration, or other temperature-

dependent function (Figure 4 and Typical Operating

Circuits).

Chip Information

TRANSISTOR COUNT: 796

PROCESS: BiCMOS

TRIP TEMPERATURE (°C) HEX CODE*

-40 82

-35 87

-30 8C

-25 91

-20 96

-15 9B

-10 A0

-5 A5

000

505

10 0A

15 0F

20 14

25 19

30 1E

35 23

40 28

45 2D

50 32

55 37

60 3C

65 41

70 46

75 4B

80 50

85 55

90 5A

95 5F

100 64

105 69

110 6E

115 73

120 78

125 7D

MAX6505–MAX6508

Dual Trip SOT Temperature Switches

8 _______________________________________________________________________________________

Table 4. MAX6507/MAX6508 Trip

Temperature Code

*Two hex codes are used in the suffix. The first indicates the

the low trip temperature and the second indicates the high trip

temperature. For example, the MAX6507UT8255-T has a lower

trip point of -40°C and an upper trip point of +85 °C.

+2.5V TO +5.5V

OUT OF RANGE

SHUTDOWN

OVER

GND

MAX6508

Figure 4. Temperature-Window Alarms

1 2 3 4 5 6 7 8 9 10 11 12

MAX6505–MAX6508 1

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