AD7398BRU Analog Devices Inc, AD7398BRU Datasheet - Page 11

• Manufacturer Part Number: AD7398BRU
• Description: DAC 4-CH R-2R 12-Bit 16-Pin TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD7398BRU

• Package: 16TSSOP
• Resolution: 12 Bit
• Conversion Rate: 167 KSPS
• Architecture: R-2R
• Digital Interface Type: Serial (3-Wire, SPI)
• Number Of Outputs Per Chip: 4
• Output Type: Voltage
• Full Scale Error: ±2.5 mV
• Integral Nonlinearity Error: ±1.5 LSB
• Maximum Settling Time: 6(Typ) us
• Rohs Status: RoHS non-compliant
• Settling Time: 6µs
• Number Of Bits: 12
• Data Interface: Serial
• Number Of Converters: 4
• Voltage Supply Source: Dual ±
• Power Dissipation (max): 16mW
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP

–0.25
–0.50
–0.75
–1.00
1000
1.00
0.75
0.50
0.25
100
100
90
80
70
60
50
40
30
20
10
10
0
0
Figure 12. AD7398 Reference Input Resistance vs. Code
–5
Figure 10. AD7398 INL, DNL, FSE vs. Reference Voltage
0
0
Figure 11. AD7398 Reference Input Current vs. Code
–4
512
512
INL
–3
1024
1024
–2
REFERENCE VOLTAGE (V)
DNL
1536
1536
CODE (Decimal)
CODE (Decimal)
–1
2048
2048
0
FSE
1
2560
2560
2
3072
3072
AD7398
V
V
V
T
AD7398
V
V
T
3
DD
SS
REF
A
DD
SS
A
AD7398
T
V
V
= 25°C
= 25°C
A
3584
3584
DD
SS
= –5V
= –5V
= +5V
= +5V
= 25°C
= +2.5V
= –5V
= +5V
4
4096
4096
5
Rev. C | Page 11 of 24
100
0%
90
10
–10
10
–2
–4
–6
–8
25
20
15
10
8
6
4
2
0
5
0
–20
0.4
V
DD
0.6
Figure 14. AD7398 Full-Scale Error Tempco
= +5V, V
–15
SOURCE OR SINK CURRENT FROM V
SINKING CURRENT INTO V
SOURCING CURRENT FROM V
Figure 15. AD7398 Midscale Glitch
0.8
Figure 13. ΔV
FULL-SCALE ERROR TEMPCO (ppm/°C)
V
TIME (2µs/DIV)
V
SS
–15
DD
DD
1.0
= 0V
= +3V, V
= +5V, V
V
V
V
DD
DD
DD
1.2
–5
= +5V, V
= +5V, V
= +3V, V
OUT
SS
SS
1.4
= 0V
= –5V
vs. Load Current
0
SS
SS
SS
1.6
= –5V
= 0V
= 0V
OUT
AD7398/AD7399
1.8
5
OUT
AD7398
SAMPLE SIZE = 125
–40°C TO +125°C
2.0
AD7398/AD7399
T
OUT
10
A
= 25°C
2.2
(mA)
15
CS (5V/DIV)
V
2.4
OUT
(0.2V/DIV)
2.6
20