AD7781CRUZ Analog Devices Inc, AD7781CRUZ Datasheet - Page 8

• Manufacturer Part Number: AD7781CRUZ
• Description: 1CHANNEL L/POWER 20-BIT SD GAIN 128 IC
• Manufacturer: Analog Devices Inc

Specifications of AD7781CRUZ

• Design Resources: Weigh Scale Design Using AD7781 with Internal PGA (CN0108)
• Number Of Bits: 20
• Data Interface: Serial, SPI™
• Number Of Converters: 1
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP (0.173", 4.40mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7781
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 8. C Grade Noise (V
Figure 10. C Grade Noise (V
524,294
524,293
524,292
524,291
524,290
524,289
524,288
524,287
524,286
524,281
524,280
524,279
524,278
524,277
524,276
524,275
524,274
500
400
300
200
100
524,286
0
0
0
(V
Figure 9. C Grade Noise Distribution Histogram
REF
= AV
524,288
200
200
DD
, Update Rate = 16.7 Hz, Gain = 128)
REF
REF
= AV
= AV
400
400
524,290
DD
CODE
SAMPLE
SAMPLE
DD
, Update Rate = 16.7 Hz, Gain = 128)
, Update Rate = 10 Hz, Gain = 128)
600
600
524,292
800
800
524,294
1000
1000
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524,289
524,288
524,287
524,286
Figure 12. Noise (V
600
400
200
505
500
495
524,275
0
0
Figure 11. C Grade Noise Distribution Histogram
(V
(V
REF
524,287
REF
Figure 13. Noise Distribution Histogram
= AV
= AV
200
524,277
DD
DD
REF
, Update Rate = 10 Hz, Gain = 128)
, Update Rate = 16.7 Hz, Gain = 1)
= AV
DD
400
, Update Rate = 16.7 Hz, Gain = 1)
524,288
SAMPLE
CODE
CODE
524,279
600
800
MORE
1000