Parameter, Symbol, Notes – Rainbow Electronics DS1822-PAR User Manual
Page 18: Typical performance curve figure 15
DS1822-PAR
18 of 19
AC ELECTRICAL CHARACTERISTICS: (-55°C to +100°C; V
PU
=3.0V to 5.5V)
PARAMETER SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
t
CONV
9-bit
resolution 93.75 ms
1
10-bit
resolution
187.5
ms 1
11-bit
resolution
375
ms 1
Temperature Conversion
Time
12-bit
resolution
750
ms 1
Time to Strong Pullup
On
t
SPON
Start Convert T
Command Issued
10 µs
Time Slot
t
SLOT
60
120
µs
1
Recovery Time
t
REC
1
µs
1
Write 0 Low Time
r
LOW0
60
120
µs
1
Write 1 Low Time
t
LOW1
1
15
µs
1
Read Data Valid
t
RDV
15
µs
1
Reset Time High
t
RSTH
480
µs
1
Reset Time Low
t
RSTL
480
960
µs
1,2
Presence Detect High
t
PDHIGH
15
60
µs
1
Presence Detect Low
t
PDLOW
60
240
µs
1
Capacitance C
IN/OUT
25
pF
NOTES:
1. Refer to timing diagrams in Figure 16.
2. If
t
RSTL
> 960
µ
s, a power on reset may occur.
TYPICAL PERFORMANCE CURVE Figure 15
DS1822-PAR DIGITAL THERMOMETER AND THERMOSTAT
TEMPERATURE READING ERROR
“TBA”