AD7294BSUZRL Analog Devices Inc, AD7294BSUZRL Datasheet - Page 17

• Manufacturer Part Number: AD7294BSUZRL
• Description: IC,Data Acquisition System,4-CHANNEL,12-BIT,TQFP,64PIN,PLASTIC
• Manufacturer: Analog Devices Inc
• Type: ADC, DACr

Specifications of AD7294BSUZRL

• Resolution (bits): 12 b
• Sampling Rate (per Second): 22.22k
• Data Interface: Serial
• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 25. DAC Sourcing Current at Input Code = x000, (V
Figure 24. DAC Sinking Current at Input Code = x000, (V
Figure 23. Zoomed in Settling for a ¼ to ¾ Output Voltage Step
–0.2
–0.4
–0.6
–0.8
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
–1.0
0.8
0.6
0.4
0.2
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
0
0
0
0
AV
OFFSET IN = FLOATING
DAC OUT V = 15V
V
DRIVE
DD
2
= DV
5
5
DAC A
DAC B
DAC C
DAC D
= 5V, INTERNAL REF
DD
4
10
10
= 5V
6
SOURCE CURRENT (mA)
SINK CURRENT (mA)
15
15
8
TIME (µs)
10
20
20
AV
OFFSET IN = FLOATING
DAC OUT V = 15V
V
DRIVE
12
DD
25
25
= DV
= 5V, INTERNAL REF
14
DD
30
30
= 5V
16
35
35
DAC A
DAC B
DAC C
DAC D
OUT
18
OUT
64pF
1nF
10nF
= 0 V)
= 0 V)
20
40
40
Rev. F | Page 17 of 48
Stirred Oil (Both the AD7294 and the 2N3906 are Placed in a Stirred Oil Bath)
Figure 28. Response to Thermal Shock from Room Temperature into 50°C
Figure 27. Response of the AD7294 to Thermal Shock Using 2N3906
Figure 26. DAC Output Voltage vs. Load Current, Input Code = x800
55
50
45
40
35
30
25
20
–100
100
–20
–40
–60
–80
–5
80
60
40
20
55
50
45
40
35
30
25
0
–50
–5
–40
0
DAC A
DAC B
DAC C
DAC D
0
(2N3906 Placed in a Stirred Oil Bath)
5
–30
10
–20
EXTERNAL
15
TIME (Seconds)
LOAD CURRENT (mA)
5
INTERNAL
–10
20
TIME (Seconds)
AD7294 IN SOCKET ON
200mm × 100mm 2-LAYER FR-4 PCB
25
0
30
10
AV
OFFSET IN = FLOATING
DAC OUT V = 15V
V
DRIVE
10
DD
35
= DV
= 5V, INTERNAL REF
40
20
DD
15
= 5V
45
30
50
40
AD7294
55
20
50
60