AD7298-1BCPZ Analog Devices Inc, AD7298-1BCPZ Datasheet - Page 9

• Manufacturer Part Number: AD7298-1BCPZ
• Description: 8Channel 10Bit SAR
• Manufacturer: Analog Devices Inc

Specifications of AD7298-1BCPZ

• Number Of Bits: 10
• Sampling Rate (per Second): 1M
• Data Interface: Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 23mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-WFQFN, CSP Exposed Pad
• Resolution (bits): 10bit
• Sampling Rate: 1MSPS
• Input Channel Type: Single Ended
• Supply Voltage Range - Analog: 1.65V To 3.6V
• Digital Ic Case Style: LFCSP
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
–100
–110
–10
–20
–30
–40
–50
–60
–70
–80
–90
–0.6
–0.8
–1.0
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
0.2
0.4
1.0
0.8
0.6
0.4
0.2
0.2
0
0
0
0
1
1
101
101
100
201
201
Figure 5. Typical ADC DNL
Figure 4. Typical ADC INL
301
301
Figure 3. Typical FFT
200
FREQUENCY (MHz)
401
401
CODE
501
300
CODE
501
601
601
V
f
f
f
SNR = 61.83dB
THD = –80.23dB
SAMPLE
IN
SCLK
400
DD
701
= 50kHz
701
= V
= 20MHz
DRIVE
= 1.17647MHz
801
801
500
V
V
V
DD
DRIVE
= 3V
DRIVE
901 1001
V
901 1001
= 3V
DD
= 3V
= 3V
= 3V
600
Rev. A | Page 9 of 24
–0.10
–0.20
–0.30
–0.40
–0.50
–0.10
–0.20
–0.30
–0.40
–0.50
0.50
0.40
0.30
0.20
0.10
0.50
0.40
0.30
0.20
0.10
11
10
9
8
7
6
5
4
3
2
0
0
0
1.0
1.0
1.2
1.2
Figure 8. Effective Number of Bits vs. V
0.5
EXTERNAL VOLTAGE REFERENCE (V)
1.4
1.4
Figure 7. DNL vs. V
Figure 6. INL vs. V
INL (Positive)
INL (Negative)
INL (Negative)
INL (Positive)
1.6
1.6
1.0
V
V
REF
REF
1.8
1.8
(V)
(V)
1.5
REF
2.0
2.0
REF
2.2
2.2
2.0
V
REF
DRIVE
AD7298-1
V
DD
2.4
2.4
= 3V
= 3V
2.5
2.6
2.6