DS3234S+ Maxim Integrated, DS3234S+ Datasheet - Page 7

• Manufacturer Part Number: DS3234S+
• Description: Real Time Clock
• Manufacturer: Maxim Integrated
• Series: DS3234r

Specifications of DS3234S+

• Rohs: yes

(V
CC
150
125
100
75
50
25
0
= +3.3V, T
2.3
RST ACTIVE
STANDBY SUPPLY CURRENT
2.8
vs. SUPPLY VOLTAGE
A
3.3
= +25°C, unless otherwise noted.)
V
-15
-25
-35
-45
3.8
CC
55
45
35
25
15
65
-5
5
(V)
-40
Extremely Accurate SPI Bus RTC with
vs. TEMPERATURE vs. AGING VALUE
4.3
INPUTS = GND
-20
4.8
FREQUENCY DEVIATION
AGING = 127
TEMPERATURE (°C)
0
5.3
20
AGING = 0
_____________________________________________________________________
AGING = 32
AGING = -33
-100
-120
-140
-160
-180
-200
40
-20
-40
-60
-80
AGING = -128
20
0
2100
1850
2600
2350
1600
1350
1100
850
600
-40
CRYSTAL
+20ppm
60
-30 -20
Integrated Crystal and SRAM
2.3
DELTA TIME AND FREQUENCY
V
BB32kHz = 0
CC
CRYSTAL
80
-20ppm
-10 0 10 20 30 40
= 0V
vs. TEMPERATURE
TEMPERATURE (°C)
vs. SUPPLY VOLTAGE
TYPICAL CRYSTAL,
UNCOMPENSATED
SUPPLY VOLTAGE (V
BATTERY CURRENT
2.8
ACCURACY
BBSQW = 1
Typical Operating Characteristics
DS3234
BAND
BBSQW = 0
50 60
3.3
BAT
450
350
300
250
500
400
200
DS3234 toc06
)
70
0
80
0
-20
-40
-60
-80
-100
3.8
10
I
CCA
CAPACITANCE (pF)
vs. DOUT LOAD
20
850
800
750
700
650
600
-40
30
V
BB32kHz = 0
BBSQW = 0
SCLK = 4MHz
CC
-20
= 0V
BATTERY CURRENT
vs. TEMPERATURE
40
TEMPERATURE (°C)
0
20
40
V
BAT
V
BAT
60
= 3.4V
= 3.0V
80
7