AD9201ARSZ Analog Devices Inc, AD9201ARSZ Datasheet - Page 12

• Manufacturer Part Number: AD9201ARSZ
• Description: IC ADC CMOS 10BIT DUAL 28-SSOP
• Manufacturer: Analog Devices Inc

Specifications of AD9201ARSZ

• Data Interface: Parallel
• Number Of Bits: 10
• Sampling Rate (per Second): 20M
• Number Of Converters: 2
• Power Dissipation (max): 245mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP (0.200", 5.30mm Width)
• Resolution (bits): 10bit
• Sampling Rate: 20MSPS
• Input Channel Type: Differential, Single Ended
• Supply Voltage Range - Analog: 2.7V To 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD9201
COMMON-MODE PERFORMANCE
Attention to the common-mode point of the analog input volt-
age can improve the performance of the AD9201. Figure 29
illustrates THD as a function of common-mode voltage (center
point of the analog input span) and power supply.
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–0.5
–0.5
1V SPAN
a. Differential Input, 3 V Supplies
b. Differential Input, 5 V Supplies
0
0
COMMON-MODE LEVEL – V
COMMON-MODE LEVEL – V
Figure 29. THD vs. CML Input Span and Power Supply (Analog Input = 1 MHz)
0.5
0.5
1.0
1.5
1.0
2V SPAN
2V SPAN
2.0
1V SPAN
2.5
1.5
–12–
Inspection of the curves will yield the following conclusions:
1. An AD9201 running with AVDD = 5 V is the easiest to
2. Differential inputs are the most insensitive to common-mode
3. An AD9201 powered by AVDD = 3 V and a single ended
drive.
voltage.
input, should have a 1 V span with a common-mode voltage
of 0.75 V.
–60
–70
–60
–70
–10
–20
–30
–40
–50
–80
–10
–20
–30
–40
–50
–80
–0.5
–0.5
d. Single-Ended Input, 5 V Supplies
c. Single-Ended Input, 3 V Supplies
0
0
COMMON-MODE LEVEL – V
COMMON-MODE LEVEL – V
0.5
0.5
1.0
1.5
1.0
2V SPAN
2V SPAN
1V SPAN
1V SPAN
2.0
1.5
2.5
REV. D