AD9281ARS Analog Devices Inc, AD9281ARS Datasheet - Page 6

• Manufacturer Part Number: AD9281ARS
• Description: A/D Converter (A-D) IC
• Manufacturer: Analog Devices Inc

Specifications of AD9281ARS

• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Package / Case: 28-SOIC
• Rohs Status: RoHS non-compliant
• Number Of Bits: 8
• Sampling Rate (per Second): 28M
• Data Interface: Parallel
• Number Of Converters: 2
• Power Dissipation (max): 260mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD9281
(AVDD = +3 V, DVDD = +3 V, F
–0.20
–0.40
–0.60
–0.80
–1.00
1.00
0.80
0.60
0.40
0.20
0.00
Figure 5. Input Bias Current vs. Input Voltage
–1
–1
1
0
1
0
–1.0
0
0
–Typical Characteristic Curves
16 32 48 64 80 96 112 128 144 160 176 192 208 224 240
16 32 48 64 80 96 112 128 144 160 176 192 208 224 240
–0.5
Figure 4. Typical DNL
Figure 3. Typical INL
INPUT VOLTAGE – Volts
0
CODE OFFSET
CODE OFFSET
S
= 28 MHz (50% duty cycle), 2 V input span from –0.5 V to +1.5 V, 2 V internal reference unless otherwise noted)
0.5
1.0
1.5
2.0
–6–
–30
–35
–40
–45
–50
–55
–60
–65
–70
1.0E+05
1.0E+05
1.0E+05
55
50
45
40
35
30
25
55
50
45
40
35
30
25
Figure 7. SINAD vs. Input Frequency
Figure 6. SNR vs. Input Frequency
Figure 8. THD vs. Input Frequency
1.0E+06
1.0E+06
1.0E+06
INPUT FREQUENCY – Hz
INPUT FREQUENCY – Hz
INPUT FREQUENCY – Hz
–6dB
–20dB
–0.5dB
–0.5dB
–20dB
–6dB
1.0E+07
1.0E+07
1.0E+07
–0.5dB
–6dB
–20dB
1.0E+08
1.0E+08
1.0E+08
REV. F