AD7266BCPZ Analog Devices Inc, AD7266BCPZ Datasheet - Page 9

• Manufacturer Part Number: AD7266BCPZ
• Description: IC ADC 12BIT 3CH 2MSPS 32-LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD7266BCPZ

• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Design Resources: AD7266 SAR ADC in DC-Coupled Differential and Single-Ended Appls (CN0039)
• Number Of Bits: 12
• Sampling Rate (per Second): 2M
• Number Of Converters: 2
• Power Dissipation (max): 33.6mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN, CSP Exposed Pad
• Resolution (bits): 12bit
• Sampling Rate: 2MSPS
• Input Channel Type: Pseudo Differential, Single Ended
• Supply Voltage Range - Analog: 2.7V To 5.25V
• Supply Current: 6.4mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7266CBZ - BOARD EVALUATION FOR AD7266
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
T = 25°C, unless otherwise noted.
A
Figure 6. SINAD vs. Analog Input Frequency for Various Supply Voltages
Figure 4. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
–100
–110
–120
–100
–60
–70
–80
–90
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
74
72
70
68
66
64
62
60
0
0
0
V
100mV p-p SINE WAVE ON AV
NO DECOUPLING
SINGLE-ENDED MODE
DD
200
100
= 5V
EXTERNAL REFERENCE
500
Figure 5. Channel-to-Channel Isolation
400
200
V
DIFFERENTIAL MODE
SUPPLY RIPPLE FREQUENCY (kHz)
DD
600
300
= 5V
INPUT FREQUENCY (kHz)
NOISE FREQUENCY (kHz)
1000
800
400
INTERNAL REFERENCE
1000 1200 1400 1600 1800
1500
500
V
DIFFERENTIAL MODE
DD
DD
= 3V
600
2000
700
RANGE = 0 TO V
800
2500
900
REF
2000
1000
3000
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–110
–10
–30
–50
–70
–90
–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
0
0
0
0
0
100
500
500
200
1000
1000
300
Figure 8. Typical DNL
Figure 9. Typical INL
1500
FREQUENCY (kHz)
1500
400
Figure 7. FFT
2000
500
CODE
2000
CODE
600
2500
2500
4096 POINT FFT
V
F
F
SINAD = 71.4dB
THD = –84.42dB
DIFFERENTIAL MODE
SAMPLE
IN
DD
V
DIFFERENTIAL MODE
V
DIFFERENTIAL MODE
700
DD
DD
= 52kHz
= 5V, V
3000
3000
= 5V, V
= 5V, V
= 2MSPS
800
DRIVE
DRIVE
3500
DRIVE
3500
900
= 3V
AD7266
= 3V
= 3V
4000
4000
1000