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AD7770ACPZ Datasheet(PDF) 19 Page - Analog Devices

Part # AD7770ACPZ
Description  8-Channel, 24-Bit, Simultaneous Sampling ADC
PDF  98 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7770ACPZ Datasheet(HTML) 19 Page - Analog Devices

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AD7770
Data Sheet
Rev. C | Page 18 of 97
TYPICAL PERFORMANCE CHARACTERISTICS
–10
–8
–6
–4
–2
0
2
4
10
8
6
INPUT VOLTAGE (V)
TEMPERATURE = 25°C
GAIN = 1
DIFFERENTIAL INPUT SIGNAL
VREF = 2.5V
VCM = (AVDD1x + AVSSx) ÷ 2
CH 3
CH 2
CH 1
CH 0
CH 4
CH 5
CH 6
CH 7
Figure 8. INL vs. Input Voltage and Channel at 16 kSPS, High Resolution Mode
–10
–8
–6
–4
–2
0
2
4
10
8
6
INPUT VOLTAGE (V)
TEMPERATURE = 25°C
VREF = 2.5V
DIFFERENTIAL VIN × GAIN
VCM = (AVDD1x + AVSSx) ÷ 2
GAIN = 1
GAIN = 2
GAIN = 4
GAIN = 8
Figure 9. INL vs. Input Voltage and PGA Gain at 16 kSPS, High Resolution Mode
–12
–10
–8
–6
–4
–2
0
2
4
10
8
6
INPUT VOLTAGE (V)
GAIN = 1
DIFFERENTIAL INPUT SIGNAL
VREF = 2.5V
VCM = (AVDD1x + AVSSx) ÷ 2
TA = –40°C
TA = +25C
TA = +105°C
TA = +125°C
Figure 10. INL vs. Input Voltage and Temperature at 16 kSPS,
High Resolution Mode
–15
–10
–5
0
5
10
15
INPUT VOLTAGE (V)
TEMPERATURE = 25°C
GAIN = 1
DIFFERENTIAL INPUT SIGNAL
VREF = 2.5V
VCM = (AVDD1x + AVSSx) ÷ 2
CH 3
CH 2
CH 1
CH 0
CH 4
CH 5
CH 6
CH 7
Figure 11. INL vs. Input Voltage and Channel at 4 kSPS, Low Power Mode
–15
–10
–5
0
5
10
INPUT VOLTAGE (V)
TEMPERATURE = 25°C
VREF = 2.5V
DIFFERENTIAL VIN × GAIN
VCM = (AVDD1x + AVSSx) ÷ 2
GAIN = 1
GAIN = 2
GAIN = 4
GAIN = 8
Figure 12. INL vs. Input Voltage and PGA Gain at 4 kSPS, Low Power Mode
–15
–10
–5
0
5
10
15
INPUT VOLTAGE (V)
GAIN = 1
DIFFERENTIAL INPUT SIGNAL
VREF = 2.5V
VCM = (AVDD1x + AVSSx) ÷ 2
TA = –40°C
TA = +25C
TA = +105°C
TA = +125°C
Figure 13. INL vs. Input Voltage and Temperature at 4 kSPS,
Low Power Mode



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