SE98ATP datasheet(32/43 Pages) NXP

32 / 43 page

SE98A_4

Product data sheet

Rev. 04 — 25 November 2009

32 of 43

NXP Semiconductors

SE98A

DDR memory module temp sensor, 1.7 V to 3.6 V

For temp sensor conversion.

From 25

°C (air) to 120 °C (oil bath).

(1) TSSOP8

(2) HWSON8

Fig 23. Average power-on threshold voltage

Fig 24. Package thermal response

VDD = 3.3 V + 150 mV (p-p); 0.1 μF AC coupling capacitor; no decoupling capacitor; Tamb =25 °C.

Fig 25. Temperature error versus power supply noise frequency

2.0

1.5

2.5

3.0

Vth

(V)

1.0

Tamb (°C)

−40

120

040

002aad889

120

thermal

response

(%)

time (s)

002aad891

(1)

(2)

noise frequency (Hz)

102

108

107

106

103

105

104

002aad892

temp error

(˚C)

−1

a. VI =0.3VDD; pins A0, A1, A2

b. VI =0.7VDD; pins A0, A1, A2

Fig 26. Typical pull-down current

Tamb (°C)

−50

125

002aae379

100

−25

VDD = 3.6 V

3.0 V

2.3 V

1.7 V

1.0

2.0

3.0

Ipd

(

μA)

Tamb (°C)

−50

125

002aae380

100

−25

VDD = 3.6 V

3.0 V

2.3 V

1.7 V

1.0

2.0

3.0

Ipd

(

μA)

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