AD7398BRU Analog Devices Inc, AD7398BRU Datasheet - Page 12

• 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

AD7398/AD7399
100
0%
90
10
100
100
0%
0%
90
10
90
10
V
V
DD
DD
= +5V, V
= +5V, V
5V
5V
SS
SS
Figure 17. AD7398 Large Signal Settling Time
A2
= –5V, V
= –5V, V
Figure 16. AD7398 Digital Feedthrough
Figure 18. AD7398 Shutdown Recovery
2v
2V
0.8V
TIME (100ns/DIV)
REF
REF
TIME (5µs/DIV)
TIME (2µs/DIV)
= +5V
= +5V
DLY 54µs
DLY 67µs
5µs
2µs
V
CLOCK (5V/DIV)
OUT
V
CS (5V/DIV)
V
OUT
OUT
(50mV/DIV)
(2V/DIV)
(2V/DIV)
Rev. C | Page 12 of 24
0xFFF
0x800
0x400
0x200
0x100
0x080
0x040
0x020
0x010
0x008
0x004
0x002
0x001
0x000
100
2.00
1.75
1.50
1.25
1.00
5
4
3
2
1
0
1k
Figure 20. AD7398 Supply Current vs. Clock Frequency
2
Figure 21. AD7398 Supply Current vs. Supply Voltage
T
1. V
3. V
3. V
4. V
5. V
6. V
Figure 19. AD7398 Multiplying Gain vs. Frequency
AD7398
T
V
A
A
REF
= 25°C
= 25°C
DD
DD
DD
DD
DD
DD
= +2.5V
= +5V, V
= +5V, V
= +5V, V
= +5V, V
= +3V, V
= +3V, V
1k
10k
±3V
3
SS
SS
SS
SS
SS
SS
POWER SUPPLY VOLTAGE (V)
CLOCK FREQUENCY (Hz)
FREQUENCY (Hz)
= –5V, CODE = 0x000, 0xFFF
= –5V, CODE = 0x555
= 0V, CODE = 0x000, 0xFFF
= 0V, CODE = 0x555
= 0V, CODE = 0x000, 0xFFF
= 0V, CODE = 0x555
DUAL SUPPLY
100k
10k
SINGLE SUPPLY
4
V
V
V
T
1M
DD
SS
REF
A
= 25°C
= –5V
= +5V
100k
= +100mV rms
5
±5V
10M
6
5
1
2
4
3
1M
0
–12
–24
–36
–48
–60
–72
–84
–96
–108
100M
6