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AD7401YRWZ-REEL7

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21
Data Sheet AD7401
Rev. E | Page 9 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, using a 25 kHz brick wall filter, unless otherwise noted.
100
0
0 1000
SUPPLY RIPPLE FREQUENCY (kHz)
PSRR (dB)
90
80
70
60
50
40
30
20
10
100 200 300 400 500 600 700 800 900
MCLKIN = 10MHz
MCLKIN = 5MHz
MCLKIN = 16MHz
200mV p-p SINE WAVE ON V
DD1
NO DECOUPLING
V
DD1
=V
DD2
=5V
1MHz CUTOFF FILTER
05851-006
Figure 6. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
–
90
–50
010k
INPUT FREQUENCY (Hz)
SINAD (dB)
–85
–80
–75
–70
–65
–60
–55
1k 2k 3k 4k 5k 6k 7k 8k 9k
V
DD1
=V
DD2
=5V
V
DD1
=V
DD2
=5V
MCLKIN = 16MHz
MCLKIN = 5MHz
MCLKIN = 10MHz
05851-027
Figure 7. SINAD vs. Analog Input Frequency
20
–180
030
FREQUENCY (kHz)
(dB)
0
–20
–40
–60
–80
–100
–120
–140
–160
5 10152025
4096 POINT FFT
f
IN
= 5kHz
SINAD = 81.984dB
THD = –96.311dB
DECIMATION BY 256
05851-042
Figure 8. Typical FFT (±200 mV Range)
–
90
–50
0.17 0.33
± INPUT AMPLITUDE (V)
SINAD (dB)
–85
–80
–75
–70
–65
–60
–55
0.18 0.19 0.20 0.21 0.22 0.23 0.24 0.25 0.26 0.27 0.28 0.29 0.30 0.31 0.32
MCLKIN = 16MHz
MCLKIN = 10MHz
V
DD1
=V
DD2
=5V
05851-028
Figure 9. SINAD vs. V
IN
0.4
–0.5
060k
CODE
DNL ERROR (LSB)
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
10k 20k 30k 40k 50k
V
IN
+ = –200mV TO +200mV
V
IN
– = 0V
05851-043
Figure 10. Typical DNL (±200 mV Range)
0.8
–0.4
060k
CODE
INL ERROR (LSB)
05851-044
0.6
0.4
0.2
0
–0.2
10k 20k 30k 40k 50k
V
IN
+ = –200mV TO +200mV
V
IN
–=0V
Figure 11. Typical INL (±200 mV Range)
AD7401 Data Sheet
Rev. E | Page 10 of 20
250
–250
–45
TEMPE
RATURE (°C)
OFFSET (µV)
–35 –25 –15 –5 5 15 25 35 45 55 65 75 85 95 105
200
150
100
50
0
–50
–100
–15
0
–200
V
DD1
= V
DD2
= 5V
MCLKIN = 16MHz
V
DD1
= V
DD2
= 4.
5
V
MCLKIN = 5MHz
V
DD1
= V
DD2
= 4.5V
MCLKIN = 16MHz
V
DD1
= V
DD2
= 4.5V
MCLKIN = 10MHz
V
DD1
= V
DD2
= 5V
MCLKIN = 5MHz
V
DD1
= V
DD2
= 5.25V
M
C
LK
IN = 16MHz
V
DD1
= V
DD2
= 5.
25V
MCLKIN = 10MHz
V
DD1
= V
DD2
= 5V
MCLKIN
= 10
MHz
V
DD1
= V
DD2
= 5.25V
MCLKIN = 5MHz
05851-029
Figure 12. Offset Drift vs. Temperature for Various Supply Voltages
200.
5
199
.5
–4
5
T
EMPE
RAT
URE
(
°C
)
GAIN (mV)
–35
–2
5 –1
5
–
5
5 1
5
2
5
35
45
5
5
65 75 85
95
105
200.
4
200
.3
200.
2
200
.1
200.
0
199
.
9
199.8
199
.7
199
.
6
V
DD
1
=
V
DD2
=
5
V
M
CL
KI
N
= 16
MH
z
V
DD
1
=
V
DD
2
=
4.
5
V
MC
LK
I
N =
5MHz
V
DD
1
= V
DD
2
= 4.5
V
MC
LKIN = 16
MHz
V
DD1
= V
DD2
= 5.25V
M
CLKI
N = 16
MHz
V
DD
1
= V
DD2
= 5
V
MC
LKI
N = 10MHz
V
DD1
= V
DD
2
= 4.
5V
MC
LKI
N = 10
MH
z
V
DD1
= V
DD
2
= 5
V
M
CLKI
N = 5
MHz
V
DD
1
= V
DD2
= 5.
25V
MC
L
KIN =
10MHz
V
DD1
= V
DD
2
= 5
.25V
M
CL
K
IN
=
5M
Hz
05851-036
Figure 13. Gain Error Drift vs. Temperature for Various Supply Voltages
V
IN
DC INPUT VOLT
AGE (V)
I
DD1
(A)
–0.33 0.33
–0.28 –0.23 –0.
18 –0.13 –0.08 –0.03 0.03 0.08
0.13 0.1
8 0.23 0.28
0.0065
0
.0070
0.0075
0.0080
0.008
5
0.0090
0.009
5
0.0100
0.0105
V
DD1
=
V
DD2
= 5V
T
A
=
25°C
MCLKIN =
16MHz
MCLKIN =
10MHz
MCLKI
N = 5MHz
05851-033
Figure 14. I
DD1
vs. V
IN
DC Input Voltage
V
I
N
DC I
NP
U
T VOLTAGE (V)
I
DD1
(A)
–0
.
3
3 0.33
–0
.2
8 –0
.
23
–0.
1
8 –0
.
13
–0.
0
8 –0
.0
3
0.
03
0
.0
8
0.
13
0
.18 0.23 0.28
0.0060
0.0065
0.0070
0
.007
5
0
.008
0
0
.
008
5
0
.
009
0
0.0095
0
.010
0
0.
010
5
M
CL
K
IN
= 16
M
Hz
T
A
=
+85
°
C
M
CL
K
IN
= 16
M
Hz
T
A
= +
105°
C
M
C
L
K
I
N
=
16
M
H
z
T
A
= –40
°
C
MC
L
KI
N =
10
MH
z
T
A
=
–40°
C
MC
L
KI
N =
10
MH
z
T
A
= +105°C
MCLKIN = 10MHz
T
A
= +85°C
MCLKIN = 5MHz
T
A
= +105°
C
M
CL
K
IN
= 5MHz
T
A
= +85°C
MCLKIN = 5MHz
T
A
= –40°C
V
DD
1
= V
DD
2
=
5
V
05851-034
Figure 15. I
DD1
vs. V
IN
at Various Temperatures
V
IN
DC INPUT VOLTAGE (V)
I
DD2
(A)
–0.325
–0.225 –0.125 –0.025 0.075 0.175
0.325–0.275 –0.175 –0.075 0.025 0.125 0.225
0.275
0.0020
0.0070
V
DD1
= V
DD2
= 5V
T
A
= 25°C
MCLKIN = 16MHz
MCLKIN = 10MHz
MCLKIN = 5MHz
0.0065
0.0060
0.0055
0.0050
0.0045
0.0040
0.0035
0.0030
0.0025
05851-037
Figure 16. I
DD2
vs. V
IN
DC Input Voltage
V
IN
DC INPUT VOLTAGE (V)
I
DD2
(A)
–0.325
–0.225 –0.125 –0.025 0.075 0.175
0.325–0.275 –0.175 –0.075 0.025 0.125 0.225
0.275
0.0020
0.0070
0.0065
0.0060
0.0055
0.0050
0.0045
0.0040
0.0035
0.0030
0.0025
MCLKIN = 16MHz
T
A
= +105°C
MCLKIN = 16MHz
T
A
= +85°C
MCLKIN = 16MHz
T
A
= –40°C
MCLKIN = 10MHz
T
A
= –40°C
MCLKIN = 10MHz
T
A
= +105°C
MCLKIN = 10MHz
T
A
= +85°C
MCLKIN = 5MHz
T
A
= +105°C
MCLKIN = 5MHz
T
A
= +85°C
MCLKIN = 5MHz
T
A
= –40°C
V
DD1
= V
DD2
= 5V
05851-038
Figure 17. I
DD2
vs. V
IN
at Various Temperatures
Data Sheet AD7401
Rev. E | Page 11 of 20
8
–8
–0.35
0.35
V
IN
– DC INPUT (V)
I
IN
(µA)
6
4
2
0
–2
–4
–6
–0.30
–0.25
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
0.15
0.20
0.25
0.30
V
DD1
= V
DD2
= 4.5V TO 5.25V
MCLKIN = 10MHz
MCLKIN = 5MHz
MCLKIN = 16MHz
05851-030
Figure 18. I
IN
vs. V
IN
− DC Input
0
–120
0.1 1000
RIPPLE FREQUENCY (kHz)
CMRR (dB)
–20
–40
–60
–80
–100
1 10 100
V
DD1
=V
DD2
=5V
V
DD1
=V
DD2
=5V
MCLKIN = 16MHz
MCLKIN = 5MHz
MCLKIN = 10MHz
05851-031
Figure 19. CMRR vs. Common-Mode Ripple Frequency
1.0
0
V
IN
DC INPUT (V)
NOISE (mV)
0.8
0.6
0.4
0.2
V
DD1
= V
DD2
= 5V
50kHz BRICK WALL FILTER
MCLKIN = 5MHz
MCLKIN = 10MHz
MCLKIN = 16MHz
05851-032
–0.30
–0.25
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
0.15
0.20
0.25
0.30
Figure 20. RMS Noise Voltage vs. V
IN
DC Input
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21

AD7401YRWZ-REEL7

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Manufacturer:
Analog Devices Inc.
Description:
Analog to Digital Converters - ADC Isolated Modulator
Lifecycle:
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