DS32KHZ/DIP Maxim Integrated Products, DS32KHZ/DIP Datasheet - Page 6

• Manufacturer Part Number: DS32KHZ/DIP
• Description: IC TCXO 32.768KHZ COM 14-DIP
• Manufacturer: Maxim Integrated Products
• Series: DSr
• Type: TCXOr

Specifications of DS32KHZ/DIP

• Supply Voltage: 5V
• Frequency: 32.768kHz
• Frequency Stability: ±7.5ppm
• Operating Temperature: 0°C ~ 70°C
• Current - Supply (max): 220µA
• Mounting Type: Through Hole
• Size / Dimension: 0.860" L x 0.460" W (21.84mm x 11.68mm)
• Height: 0.275" (6.99mm)
• Package / Case: 14-DIP Module (300 mil)
• Supply Current: 150µA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: DS32KHZDIP

Figure 2. Block Diagram
OPERATION
The DS32kHz module contains a crystal and an IC. While powered, the DS32kHz peridocially measures the
temperature and adjusts the crystal load to compensate.
The DS32kHz is designed to operate in two modes. In the dual-supply mode, a comparator circuit, powered by V
monitors the relationship between the V
V
while V
In the single-supply mode, V
of V
Figure 3A shows how the DS32kHz should be connected when using two power supplies. V
4.5V and 5.5V and V
only a single-supply system is available. V
5.5V. The V
single supply mode where V
about frequency error versus supply voltage.
Figure 3. Power-Supply Connections
BAT
CC
, the device switches over to V
, because the comparator circuit is unpowered (Figure 3B).
CC
is applied.
BAT
A
pin should be connected directly to a battery using no external components. Figure 3C shows a
BAT
should be between 2.7V and 3.3V. Figure 3B shows how the DS32kHz can be used when
CC
CC
is grounded and the unit is powered by V
is held at +5V. See the frequency stability versus operating voltage for information
BAT
(Figure 3A). This mode uses V
CC
and V
CC
should be grounded and V
BAT
input levels. When V
6 of 10
B
CC
CC
BAT
to conserve the battery connected to V
BAT
drops below a certain level compared to
should then be held between 2.7V and
. Current consumption is less than that
C
CC
should be between
CC
BAT
,