Rainbow Electronics MAX6577 - Manual (Page 6)

MAX6576/MAX6577
SOT Temperature Sensors with
Period/Frequency Output
6 _______________________________________________________________________________________
GND
TS0
TS1
OUT
0.1 µ F
V DD
+2.7V TO +5.5V
UNIVERSAL COUNTER
"FREQUENCY"
MAX6577
GND
TS0
TS1
OUT
0.1 µ F
V DD
+2.7V TO +5.5V
GND
X2
X1
T0
470 Ω x 8
V CC
P1.1
P1.0
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
8051
12MHz
22pF
22pF
MAX6577
Figure 4. MAX6577 Quick-Look Circuit
GND
TS0
TS1
OUT
0.1 µ F
V
DD
+2.7V TO +5.5V
UNIVERSAL COUNTER
"PERIOD"
MAX6576
Figure 3. MAX6576 Quick-Look Circuit
Figure 5. Interfacing with a µC
Table 3. Typical Peak Noise Amplitude
PARAMETER
Noise Amplitude (°C)
MAX6577
±0.38
MAX6576
±0.17
Scalar Multiplier 10 40
±0.11
160
±0.094
640
±0.13
4
±0.066
1
±0.040
1/4
±0.028
1/16
Chip Information
TRANSISTOR COUNT: 302