AD7294BSUZ Analog Devices Inc, AD7294BSUZ Datasheet - Page 16

• Manufacturer Part Number: AD7294BSUZ
• Description: IC ADC 12BIT W/DAC/TEMP 64TQFP
• Manufacturer: Analog Devices Inc
• Type: ADC, DACr

Specifications of AD7294BSUZ

• Resolution (bits): 12 b
• Data Interface: Serial
• Sampling Rate (per Second): 22.22k
• Voltage Supply Source: Analog and Digital
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -55°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 64-TQFP, 64-VQFP
• Sampling Rate: 22.22kSPS
• Input Channel Type: Differential, Single Ended
• Supply Voltage Range - Digital: 4.5V To 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7294
–0.5
–1.0
–1.5
–2.0
–0.5
–1.0
–1.5
–2.0
–2.5
–0.2
–0.4
–0.6
2.0
1.5
1.0
0.5
1.5
1.0
0.5
0.8
0.6
0.4
0.2
0
0
0
0
0
0
256
512
Figure 18. ADC DNL vs. Reference Voltage
Figure 17. ADC INL vs. Reference Voltage
768
1
1
1024
1280
REFERENCE VOLTAGE (V)
REFERENCE VOLTAGE (V)
Figure 19. DAC INL
2
2
1536
1792
MAX DNL
MAX INL
MIN DNL
MIN INL
CODE
2048
AV
V
OFFSET IN A/B/C/D = FLOATING
DRIVE
3
3
DD
2304
= DV
T
V
V
SINGLE-ENDED
I
T
V
V
SINGLE-ENDED
I
= 5V, INTERNAL REF,
2560
2
2
A
A
DRIVE
DD
DRIVE
DD
C MODE 400kHz
C MODE 400kHz
= 25°C
= 25°C
DD
2816
= 5V
= 5V
4
4
= 5V
= 5V, V
= 5V, V
3072
3328
REF
REF
5
5
3584
RANGE
RANGE
3840
4096
6
6
Rev. F | Page 16 of 48
–0.2
–0.4
–0.6
–10
–15
–20
0.6
0.4
0.2
20
15
10
–5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
5
0
Figure 22. Settling Time for a ¼ to ¾ Output Voltage Step
0
Figure 21. 0.1 Hz to 10 Hz DAC Output Noise (Code 800)
0
0
–5 –4 –3 –2 –1
256
1
512
768
2
1024
1280
3
Figure 20. DAC DNL
0
1536
4
1792
1
TIME (s)
TIME (µs)
CODE
2048
2
AV
V
OFFSET IN A/B/C/D = FLOATING
DRIVE
5
DD
2304
3
= DV
= 5V, INTERNAL REF,
2560
6
4
DD
2816
5
= 5V
7
3072
6
3328
8
7
3584
8
9
3840
64pF
1nF
10nF
9
4096
10
10