AD7477A Analog Devices, AD7477A Datasheet - Page 13
AD7477A
Manufacturer Part Number
AD7477A
Description
10-Bit, 1 MSPS, Low-Power A/D Converter in SC70 and MSOP Packages
Manufacturer
Analog Devices
Datasheet
1.AD7476A.pdf
(28 pages)
Specifications of AD7477A
Resolution (bits)
10bit
# Chan
1
Sample Rate
1MSPS
Interface
Ser,SPI
Analog Input Type
SE-Uni
Ain Range
Uni Vdd
Adc Architecture
SAR
Pkg Type
SC70,SOP
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD7477AAKSZ-500RL7
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
AD7477AARMZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
0
0
0
0
512
512
Figure 12. AD7476A DNL Performance
Figure 11. AD7476A INL Performance
1024
1024
1536
1536
CODE
CODE
2048
2048
2560
2560
V
TEMP = 25°C
f
SAMPLE
DD
V
TEMP = 25°C
f
3072
SAMPLE
3072
DD
= 2.35V
= 2.35V
= 1MSPS
3584
= 1MSPS
3584
4096
4096
Rev. F | Page 13 of 28
Figure 13. THD vs. Analog Input Frequency for Various Source Impedances
Figure 14. THD vs. Analog Input Frequency for Various Supply Voltages
–10
–20
–30
–40
–50
–60
–70
–80
–90
–60
–65
–70
–75
–80
–85
–90
0
10
10
AD7476A/AD7477A/AD7478A
INPUT FREQUENCY (kHz)
INPUT FREQUENCY (kHz)
V
DD
= 4.75V
100
100
R
R
IN
IN
R
= 130Ω
V
V
IN
= 1kΩ
DD
DD
= 10kΩ
= 3.6V
= 2.7V
V
V
DD
DD
= 2.35V
= 5.25V
R
IN
V
R
DD
= 13Ω
IN
= 3.6V
= 0Ω
1000
1000