THMC10_08 Datasheet, PDF (18/22 Pages) Texas Instruments – REMOTE/LOCAL TEMPERATURE MONITOR WITH SMBus INTERFACE

THMC10
REMOTE/LOCAL TEMPERATURE MONITOR
WITH SMBus INTERFACE
SLIS089 − DECEMBER 1999
PERFORMANCE DATA
temperature error vs PNP collector square wave noise frequency
1
100 mVp-p Local
100 mVp-p Remote
0
−1
10
100
1k
10k
100k
1M
10M
100M
f − Frequency − Hz
Figure 11. Data Plot
3.3 V
To ICA93LV
I2C Controller
15
STDBY
14 _SMBCLK
12
SMBDATA
3.3 V
2
VDD
DXP ³
R1
10 kΩ
THMC10
11 _ALERT
DXN ⁴
7 _GND
8 _GND
ADD0
10
ADD1
6
Q1
2N3906
Representative of
Processor On-Die
Sensing Diode
R2
50 Ω
HP8116A
Generator
NOTE: No 0.1 µF VDD capacitor.
No 2200 pF DXP-DXN filter capacitor.
Figure 12. Test Circuit
18
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