0

50

100

150

200

SAMPLE NUMBER

LM95213 with

Filter On

LM95213 with

Filter Off

25

27

29

31

33

35

37

39

41

43

45

LM95213

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SNIS147A – MARCH 2007 – REVISED MARCH 2013

Figure 7 describes the filter output in response to a step input and an impulse input.

a) Seventeen and fifty degree step

b) Impulse response with input

c) Impulse response with input

response

transients less than 4°C

transients great than 4°C

Figure 7. Filter Impulse and Step Response Curves

Figure 8. Digital Filter Response in a typical processor system. The filter curves were purposely offset

for clarity.

Figure 8 shows the filter in use in a typical processor system. Note that the two curves have been purposely

offset for clarity. Inserting the filter does not induce an offset as shown.

TEMPERATURE DATA FORMAT

Temperature data can only be read from the Local and Remote Temperature value registers. The data format for

all temperature values is left justified 16-bit word available in two 8-bit registers. Unused bits will always report

"0". All temperature data is clamped and will not roll over when a temperature exceeds full-scale value.

Remote temperature data for all channels can be represented by an 11-bit, two's complement word or unsigned

binary word with an LSb (Least Significant Bit) equal to 0.125°C.

Table 2. 11-bit, 2's complement (10-bit plus sign)

Temperature

Digital Output

Binary

Hex

+125°C

0111 1101 0000 0000

7D00h

+25°C

0001 1001 0000 0000

1900h

+1°C

0000 0001 0000 0000

0100h

+0.125°C

0000 0000 0010 0000

0020h

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