ADC1210S NXP Semiconductors, ADC1210S Datasheet - Page 15

• Manufacturer Part Number: ADC1210S
• Description: Single 12-bit ADC
• Manufacturer: NXP Semiconductors

NXP Semiconductors
ADC1210S_SER_1
Preliminary data sheet
11.2.3 Transformer
Table 11.
The configuration of the transformer circuit is determined by the input frequency. The
configuration shown in
The configuration shown in
both cases, the choice of transformer will be a compromise between cost and
performance.
Input frequency
3 MHz
70 MHz
170 MHz
Fig 10. Single transformer configuration suitable for baseband applications
Fig 11. Dual transformer configuration suitable for high intermediate frequency
application
RC coupling versus input frequency, typical values
Analog
Analog
input
input
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100 nF
100 nF
Figure 10
100 nF
Rev. 01 — 9 April 2010
ADT1-1WT
100 nF
ADT1-1WT
Figure 11
R
25 Ω
12 Ω
12 Ω
ADC1210S series; CMOS or LVDS DDR digital outputs
would be suitable for a baseband application.
100 nF
is recommended for high frequency applications. In
50 Ω
50 Ω
ADT1-1WT
100 nF
100 nF
100 nF
ADC1210S series
25 Ω
25 Ω
50 Ω
50 Ω
25 Ω
25 Ω
C
12 pF
8 pF
8 pF
12 Ω
12 Ω
12 pF
100 nF
005aaa044
100 nF
005aaa045
8.2 pF
© NXP B.V. 2010. All rights reserved.
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