AD7400AYRWZ-RL Analog Devices Inc, AD7400AYRWZ-RL Datasheet - Page 9

• Manufacturer Part Number: AD7400AYRWZ-RL
• Description: Isolated Sigma-Delta Modulator ADC I.C.
• Manufacturer: Analog Devices Inc
• Type: Modulatorr

Specifications of AD7400AYRWZ-RL

• Resolution (bits): 14 b
• Data Interface: Serial
• Voltage Supply Source: Single Supply
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sampling Rate (per Second): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
T
A
Figure 8. SINAD vs. Analog Input Frequency for Various Supply Voltages
Figure 7. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
= 25°C, using 20 kHz brickwall filter, unless otherwise noted.
–90
–80
–70
–60
–50
–40
–30
–20
–10
–100
–120
–140
–160
–180
110
100
–20
–40
–60
–80
90
80
70
60
50
40
30
20
10
0
0
100
0
0
0
V
NO DECOUPLING CAPACITOR
V
DD1
RIPPLE
V
500
DD1
2
= V
(Using Sinc
Figure 9. Typical FFT, ±200 mV Range
= 200mV SINE WAVE ON V
V
DD2
= V
DD1
1k
1000
4
DD2
= 5V
SUPPLY RIPPLE FREQUENCY (Hz)
= V
= 5.5V
DD2
6
(1 MHz Filter Used)
INPUT FREQUENCY (Hz)
3
1500
Filter, 256 Decimation Rate)
= 4.5V
FREQUENCY (kHz)
10k
8
2000
10
100k
2500
DD1
12
8192 POINT FFT
f
SINAD = 79.6991dB
THD = –92.6722dB
DECIMATION BY 256
V
IN
DD1
14
3000
= 35Hz
= V
1M
DD2
16
3500
= 5V
18
4000
10M
20
Rev. B | Page 9 of 20
–0.2
–0.4
–0.6
–0.1
–0.2
–0.3
–0.4
0.8
0.6
0.4
0.2
0.5
0.4
0.3
0.2
0.1
–85
–80
–75
–70
–65
–60
0
0
0
50
0
V
V
V
V
V
T
IN
IN
A
IN
IN
DD1
+ = –200mV TO +200mV
– = 0V
+ = –200mV TO +200mV
– = 0V
= 25°C
10,000
= V
10,000
(Using Sinc
(Using Sinc
Figure 11. Typical DNL, ±200 mV Range
Figure 12. Typical INL, ±200 mV Range
100
DD2
= 5V
20,000
Figure 10. SINAD vs. V
20,000
150
INPUT AMPLITUDE (mV)
3
3
Filter, 256 Decimation Rate)
Filter, 256 Decimation Rate)
30,000
CODE
30,000
CODE
200
40,000
40,000
250
IN
50,000
50,000
300
AD7400A
60,000
60,000
350