AD5757 Analog Devices, AD5757 Datasheet - Page 14

• Manufacturer Part Number: AD5757
• Description: Quad Channel, 16-Bit, Serial Input, 4-20mA Output DAC, Dynamic Power Control, HART Connectivity
• Manufacturer: Analog Devices

Specifications of AD5757

• Resolution (bits): 16bit
• Dac Update Rate: 60kSPS
• Dac Settling Time: 15µs
• Max Pos Supply (v): +33V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: SPI

AD5757
TYPICAL PERFORMANCE CHARACTERISTICS
CURRENT OUTPUTS
–0.0005
–0.0010
–0.0015
–0.0020
–0.0025
–0.005
–0.010
–0.015
0.0025
0.0020
0.0015
0.0010
0.0005
–0.2
–0.4
–0.6
–0.8
–1.0
0.035
0.030
0.025
0.020
0.015
0.010
0.005
1.0
0.8
0.6
0.4
0.2
0
0
0
0
0
0
AV
T
AV
T
ALL CHANNELS ENABLED
A
A
DD
= 25°C
DD
= 25°C
Figure 9. Differential Nonlinearity vs. Code
Figure 10. Total Unadjusted Error vs. Code
4mA TO 20mA, EXTERNAL R SET
4mA TO 20mA, EXTERNAL R SET , WITH DC-TO-DC CONVERTER
4mA TO 20mA, INTERNAL R SET
4mA TO 20mA, INTERNAL R SET , WITH DC-TO-DC CONVERTER
4mA TO 20mA, EXTERNAL R SET , EXTERNAL PMOS MODE
4mA TO 20mA, EXTERNAL R SET
4mA TO 20mA, EXTERNAL R SET , WITH DC-TO-DC CONVERTER
4mA TO 20mA, INTERNAL R SET
4mA TO 20mA, INTERNAL R SET , WITH DC-TO-DC CONVERTER
4mA TO 20mA, EXTERNAL R SET , EXTERNAL PMOS MODE
10000
4mA TO 20mA, EXTERNAL R SET
4mA TO 20mA, EXTERNAL R SET , WITH DC-TO-DC CONVERTER
4mA TO 20mA, INTERNAL R SET
4mA TO 20mA, INTERNAL R SET , WITH DC-TO-DC CONVERTER
4mA TO 20mA, EXTERNAL R SET , EXTERNAL PMOS MODE
Figure 8. Integral Nonlinearity vs. Code
= 15V
10000
= 15V
10000
AV
T
A
DD
= 25°C
= 15V
20000
20000
20000
30000
30000
30000
CODE
CODE
CODE
40000
40000
40000
50000
50000
50000
60000
60000
60000
Rev. B | Page 14 of 44
–0.0002
–0.0004
–0.0006
–0.0008
–0.0010
–0.0005
–0.0010
–0.0015
–0.0020
0.0010
0.0008
0.0006
0.0004
0.0002
0.0020
0.0015
0.0010
0.0005
–0.2
–0.4
–0.6
–0.8
–1.0
Figure 12. Integral Nonlinearity vs. Temperature, External R
Figure 11. Integral Nonlinearity vs. Temperature, Internal R
1.0
0.8
0.6
0.4
0.2
0
–40
0
–40
–40
0
Figure 13. Differential Nonlinearity vs. Temperature
AV
ALL RANGES
INTERNAL AND EXTERNAL R
DD
–20
4mA TO 20mA RANGE MAX INL
0mA TO 24mA RANGE MAX INL
0mA TO 20mA RANGE MIN INL
0mA TO 20mA RANGE MAX INL
4mA TO 20mA RANGE MAX INL
0mA TO 24mA RANGE MIN INL
= 15V
–20
–20
DNL ERROR MAX
DNL ERROR MIN
0
0
0
TEMPERATURE (°C)
AV
4mA TO 20mA RANGE MAX INL
0mA TO 24mA RANGE MAX INL
0mA TO 20mA RANGE MIN INL
0mA TO 20mA RANGE MAX INL
4mA TO 20mA RANGE MIN INL
0mA TO 24mA RANGE MIN INL
TEMPERATURE (°C)
TEMPERATURE (°C)
DD
20
20
20
= 15V
SET
40
40
40
60
AV
60
60
DD
Data Sheet
= 15V
80
80
80
100
SET
SET
100
100