EVX8AQ160TPY ETC-unknow, EVX8AQ160TPY Datasheet - Page 73

• Manufacturer Part Number: EVX8AQ160TPY
• Description: Adc Quad 1.25gsps 8-bit Lvds 380-pin Ebga
• Manufacturer: ETC-unknow

11.2
11.2.1
e2v semiconductors SAS 2009
Analog Inputs (V
Differential Analog Input
Figure 11-2. EV8AQ160 Power Supplies Bypassing Scheme
Differential mode is the recommended input scheme. A balun can be used to convert a single-ended
source to a differential signal for use with this ADC. The analog input can be either DC or AC coupled as
described in
Figure 11-3. Differential Analog Input Implementation (AC Coupled)
Notes:
50Ω Source
Differential
1. X = A, B, C or D.
2. 2. The 50Ω terminations are implemented on-chip and can be fine tuned (TRIMMER register at address
3. CMIRefAB/CD = 1.8V. This Common mode is output on signal CMIRefAB for A and B channels and
X 25 (min)
X 2 (min)
IN
0x13).
CMIRefCD for C and D channels.
Figure 11-3
/V
INN
)
10 nF
10 nF
and
10 nF
10 nF
Figure
100 pF
100 pF
11-4.
VCC
GND
VCCD
GND
EV8AQ160
XAIN
XAI
(See Note 2
(See Note 2
VCCO
GND
50
50
ADC Analog Input Buffer
Ω
Ω
)
)
100 pF
GND
10 nF
20 pF
0846G–BDC–11/09
EV8AQ160
X 12 (min)
CMIRefAB/CD
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