SM8580AM_06 Nippon_Precision_Circuits America, SM8580AM_06 Datasheet - Page 9

• Manufacturer Part Number: SM8580AM_06
• Description: Real-time Clock IC with 4-bit Interface and Built-in Temperature Sensor
• Manufacturer: Nippon_Precision_Circuits America

Temperature Sensor
V
1. Temperature sensitivity V
2. Linearity ∆NL = a ÷ b × 100 [%], where
3. Output resistance R
Temperature sensor output voltage
Output accuracy
Temperature sensitivity
Linearity
Temperature detection range
Output resistance
Output load capacitance
Output load resistance
Response time
SS
a = maximum deviation between the measured value and the approximated value of VTEMP, and
b = difference between the measured values at temperatures of −40 and 85°C
= 0V, Ta = −40 to 85°C unless otherwise noted.
2
Parameter
3
O
1
= ∆V
SE
1
= (V(85°C) − V(−40°C) ) ÷ 125 [mV/°C]
÷ ∆I
1
[Ω]
VTEMP(V)
SM8580A
Symbol
V
T
T
∆NL
t
V
R
RSP
ACR
OPR
C
R
OUT
SE
O
L
L
−40 C
OP AMP
a
b
Approximate value
Ta = 25°C, VSS reference output voltage,
V
Ta = 25°C
–40°C ≤ Ta ≤ 85°C, V
–40°C ≤ Ta ≤ 85°C, V
∆NL ≤ ±2.0%, V
Ta = 25°C, V
V
V
V
DD
DD
DD
DD
= 2.7 to 5.5V, VTEMP
= 2.7 to 5.5V
= 2.7 to 5.5V
= 3.0V, R
V (−40 C)
0 C
DD
SM8580AM
VTEMP 1MΩ
L
a
= 500kΩ, C
= 2.7 to 5.5V, VTEMP
DD
Condition
= 2.7 to 5.5V
DD
DD
V
Measured value
1
= 2.7 to 5.5V
= 2.7 to 5.5V
L
= 100pF
85 C
a
I
1
V (85 C)
Ta
−7.3
min
−40
500
–
–
–
–
–
–
SEIKO NPC CORPORATION —9
Rating
1.470
max
−7.8
1.0
–
–
–
–
–
–
−8.3
±2.0
min
100
200
3.0
±5
85
–
–
mV/°C
Unit
kΩ
kΩ
°C
°C
pF
µs
%
V