AD7397 Analog Devices, AD7397 Datasheet - Page 7

• Manufacturer Part Number: AD7397
• Description: Dual Parallel-Input 10-Bit DAC
• Manufacturer: Analog Devices

Specifications of AD7397

• Resolution (bits): 10bit
• Dac Update Rate: 17kSPS
• Dac Settling Time: 60µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Par

REV. 0
Figure 4. AD7396 INL vs. Code and
Temperature
Figure 7. AD7397 DNL vs. Code and
Temperature
Figure 10. INL Error vs. Reference
Voltage
–0.2
–0.4
–0.6
–0.8
–1.0
–0.5
–1.0
–1.5
–0.5
–1.0
–1.5
1.0
0.8
0.6
0.4
0.2
0.0
1.5
1.0
0.5
0.0
1.5
1.0
0.5
0
0
0
0
V
V
DD
REF
AD7397
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
512 1024 1536 2048 2560 3072 3584 4096
128 256 384 512 640 768 896 1024
= +3V
= +2.5V
T
T
A
A
= +25 C, +85 C, –55 C
= +25 C, +85 C
SUPERIMPOSED
CODE – Decimal
CODE – Decimal
V
REF
T
V
T
CODE = HALF SCALE
A
A
– Volts
DD
= –55 C
= +25 C
= +5V
V
V
DD
REF
AD7396
= +2.7V
= +2.5V
Typical Performance Characteristics–
Figure 5. AD7397 INL vs. Code and
Temperature
Figure 8. AD7396 Full-Scale Tempco
Histogram
Figure 11. Full-Scale Error vs. Refer-
ence Voltage
–20
–40
–0.2
–0.4
–0.6
–0.8
–1.0
40
20
1.0
0.8
0.6
0.4
0.2
0.0
0
60
40
20
0
0
0
V
T
FSE (LSB) = FSE (V)
A
DD
–55
V
V
AD7396
= +25 C
DD
REF
T
128 256 384 512 640 768 896 1024
= +5V
A
FULL-SCALE OUTPUT TEMPCO
1
= +2.7V
= +25 C, +85 C
= +2.5V
–50
HISTOGRAM – ppm/ C
CODE – Decimal
2
T
–45
V
A
REF
–7–
= –55 C
– V
4096/V
SS = 200 UNITS
V
V
T
–40
3
DD
REF
A
= –40 C TO +85 C
= +2.7V
= +2.5V
REF
AD7396
–35
AD7397
4
(V)
–30
5
40
20
0
–20
–40
Figure 9. AD7397 Full-Scale Tempco
Histogram
Figure 12. Output Noise Voltage
Density vs. Frequency
Figure 6. AD7397 TUE Histogram
100
30
20
10
80
60
40
20
10
0
0
8
6
4
2
0
1
SS = 200 UNITS
V
V
T
AD7397
–70
A
DD
REF
–5
= –40 C TO +85 C
= +2.7V
FULL-SCALE TEMPCO – ppm/ C
AD7396/AD7397
TOTAL UNADJUSTED ERROR
= +2.5V
10
FREQUENCY – Hz
–60
HISTOGRAM – LSB
100
0
–50
1k
5
SS = 200 UNITS
T
V
V
V
V
T
A
DD
REF
DD
REF
A
–40
= +25 C
= +25 C
= +2.7V
= +2.5V
= +5V
10k
= +2.5V
AD7397
10
–30
100k