AD7694 Analog Devices, AD7694 Datasheet - Page 10
![no-image](/images/manufacturer_photos/0/0/56/analog_devices_sml.jpg)
AD7694
Manufacturer Part Number
AD7694
Description
Manufacturer
Analog Devices
Datasheet
1.AD7694.pdf
(16 pages)
Specifications of AD7694
Resolution (bits)
16bit
# Chan
1
Sample Rate
250kSPS
Interface
Ser,SPI
Analog Input Type
Diff-Uni
Ain Range
(Vref) p-p,Uni (Vref)
Adc Architecture
SAR
Pkg Type
SOP
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD7694ARM
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
AD7694ARMZ
Manufacturer:
MURATA
Quantity:
60 000
Part Number:
AD7694ARMZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
AD7694BRMZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
AD7694BRMZ-RL7
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD7694
100
–100
–105
–110
–115
95
90
85
80
100
–80
–85
–90
–95
95
90
85
80
75
70
2.5
Figure 11. SNR, S/(N + D), and ENOB vs. Reference Voltage
0
0
SNR
S/[N+D]
3.0
Figure 12. S/[N + D] vs. Frequency
40
Figure 13. THD vs. Frequency
50
REFERENCE VOLTAGE (V)
3.5
V
REF
FREQUENCY (kHz)
FREQUENCY (kHz)
80
= 2.5V, –1dB
V
REF
100
4.0
= 5V, –1dB
120
ENOB
V
REF
V
4.5
REF
V
= 5V, –10dB
REF
150
= 2.5V, –1dB
160
= 5V, –1dB
5.0
200
200
17
16
15
14
13
Rev. A | Page 10 of 16
1200
1000
1000
800
600
400
200
900
800
700
600
500
400
300
200
100
750
500
250
0
0
0
–55
–55
2.5
Figure 16. Power-Down Current vs. Temperature
Figure 15. Operating Current vs. Temperature
–35
–35
Figure 14. Operating Current vs. Supply
VDD = 5V,
3.0
–15
–15
f
3.5
S
5
5
TEMPERATURE (°C)
= 100kSPS
TEMPERATURE (°C)
SUPPLY (V)
25
25
4.0
45
45
VDD = 2.7V,
4.5
65
65
f
S
85
f
85
= 100kSPS
S
= 100kSPS
5.0
105
105
125
125
5.5