CDK1301ITQ44 Cadeka Microcircuits, CDK1301ITQ44 Datasheet - Page 10

• Manufacturer Part Number: CDK1301ITQ44
• Description: Analog to Digital Converters - ADC A/D CONVERTER 8-BIT 250MSPS 425mW
• Manufacturer: Cadeka Microcircuits

Specifications of CDK1301ITQ44

• Rohs: yes
• Number Of Channels: 1
• Architecture: Folding and Interpolating
• Conversion Rate: 250 MSPs
• Resolution: 8 bit
• Input Type: Differential
• Snr: 45.4 dB
• Operating Supply Voltage: 4.75 V to 5.25 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFP-44
• Maximum Power Dissipation: 425 mW
• Minimum Operating Temperature: - 40 C
• Number Of Converters: 1
• Voltage Reference: 2.5 V

Data Sheet
Figure 4. CLK and Reset Equivalent Circuit
Typical Interface Circuit
Very few external components are required to achieve
the stated device performance. Figure 3 shows the typical
interface requirements when using the CDK1301 in nor-
mal circuit operation. The following sections provide
descriptions of the major functions and outline performance
criteria to consider for achieving the optimal device
performance.
©2008 CADEKA Microcircuits LLC
(without ESD Diodes)
Figure 3. Typical Interface Circuit
Figure 5. Analog Input Equivalent Circuit
Analog Input
The input of the CDK1301 can be configured in various
ways depending on whether a single-ended or differential
input is desired.
The AC-coupled input is most conveniently implemented
using a transformer with a center-tapped secondary winding.
The center tap is connected to the V
Figure 3. To obtain low distortion, it is important that the
CDK1301
CM
www.cadeka.com
pin as shown in
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