AD7998BRU-1 Analog Devices Inc, AD7998BRU-1 Datasheet - Page 13

• Manufacturer Part Number: AD7998BRU-1
• Description: IC,Data Acquisition System,8-CHANNEL,12-BIT,TSSOP,20PIN,PLASTIC
• Manufacturer: Analog Devices Inc

Specifications of AD7998BRU-1

• Number Of Bits: 12
• Sampling Rate (per Second): 188k
• Data Interface: I²C, Serial
• Number Of Converters: 1
• Power Dissipation (max): 2.2mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP (0.173", 4.40mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: EVAL-AD7998CBZ - BOARD EVALUATION FOR AD7998CBZ
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.8
–1.0
-0.6
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
Figure 11. Typical DNL, V
1.0
0.8
0.6
0.4
0.2
Figure 12. AD7998 Change in INL vs. Reference Voltage V
Figure 10. Typical INL, V
0
0
0
1.2
0
0
500
500
1.7
1000
1000
2.2
REFERENCE VOLTAGE (V)
1500
1500
Mode 1, 121 kSPS
DD
DD
2.7
= 2.7 V, Mode 1, 3.4 MHz f
= 2.7 V, Mode 1, 3.4 MHz f
CODE
2000
CODE
2000
3.2
2500
2500
NEGATIVE INL
POSITIVE INL
3.7
3000
3000
4.2
3500
3500
SCL
SCL
, 121 kSPS
, 121 kSPS
4.7
DD
4000
4000
= 5 V,
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0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
–0.2
–0.4
–0.8
–1.0
-0.6
Figure 13. AD7998 Change in DNL vs. Reference Voltage V
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
0
0
0
Figure 15. AD7998 Average Supply Current vs. I
100
1.2
2.7
Figure 14. AD7998 Shutdown Current vs. Supply Voltage,
1.7
600
3.2
2.2
1100
REFERENCE VOLTAGE (V)
–40°C, +25°C, and +85°C
SCL FREQUENCY (kHz)
SUPPLY VOLTAGE (V)
3.7
Mode 1, 121 kSPS
V
2.7
DD
1600
= 3 V and 5 V
3.2
4.2
2100
NEGATIVE DNL
POSITIVE DNL
3.7
AD7997/AD7998
4.7
MODE 2
VDD = 5V
2600
MODE 2
VDD = 3V
–40°C
+25°C
+85°C
4.2
2
C Bus Rate for
MODE 1
VDD = 5V
MODE 1
VDD = 3V
3100
5.2
4.7
DD
= 5 V,