adc1112d125 NXP Semiconductors, adc1112d125 Datasheet - Page 23

• Manufacturer Part Number: adc1112d125
• Description: Adc1112d125 Dual 11-bit Adc; Cmos Or Lvds Ddr Digital Outputs
• Manufacturer: NXP Semiconductors

NXP Semiconductors
ADC1112D125
Product data sheet
11.4.2 Equivalent input circuit
The equivalent circuit of the input clock buffer is shown in
voltage of the differential input stage is set via internal 5 kΩ resistors.
Fig 27. Differential clock input
Fig 28. Equivalent input circuit
a. Sine clock input
c. LVPECL clock input
V
CLKM
CLKP
cm(clk)
clock input
Sine
= common-mode voltage of the differential input stage.
All information provided in this document is subject to legal disclaimers.
Package
Rev. 2 — 3 March 2011
005aaa173
CLKM
CLKP
ESD
Dual 11-bit ADC: CMOS or LVDS DDR digital outputs
clock input
LVPECL
Parasitics
005aaa172
CLKM
CLKP
clock input
b. Sine clock input (with transformer)
Sine
SE_SEL
Figure
5 kΩ
ADC1112D125
V
cm(clk)
28. The common-mode
SE_SEL
5 kΩ
© NXP B.V. 2011. All rights reserved.
005aaa056
005aaa054
CLKM
CLKP
23 of 41