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AD7405BRIZ-RL7

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21
Data Sheet AD7405
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, V
DD1
= 5 V, V
DD2
= 5 V, V
IN+
= −250 mV to +250 mV, V
IN−
= 0 V, f
MCLKIN
= 20 MHz, using a sinc3 filter with a 256 oversampling
ratio (OSR), unless otherwise noted.
Figure 5. PSRR vs. Supply Ripple Frequency
Figure 6. CMRR vs. Common-Mode Ripple Frequency
Figure 7. SINAD vs. Analog Input Frequency
Figure 8. Typical Fast Fourier Transform (FFT)
Figure 9. Typical DNL Error
Figure 10. Typical INL Error
–120
–100
–80
–60
–40
–20
0
0 200 400 600 800 1000
PSRR (dB)
SUPPLY RIPPLE FREQUENCY (kHz)
200mV p-p SINE WAVE ON V
DD1
1nF DECOUPLING
MCLKIN = 20MHz
MCLKIN = 10MHz
12536-005
–140
–120
–100
–80
–60
–40
–20
0
0.1 1 10 100 1000
CMRR (dB)
RIPPLE FREQUENCY (kHz)
SHORTED INPUTS
200mV p-p SINE WAVE ON INPUTS
MCLKIN = 20MHz, SINC3 DECIMATION RATE = 256
MCLKIN = 10MHz, SINC3 DECIMATION RATE = 256
MCLKIN = 20MHz, UNFILTERED
MCLKIN = 10MHz, UNFILTERED
12536-006
70
72
74
76
78
80
82
84
86
88
90
100 1k 10k
SINAD (dB)
ANALOG INPUT FREQUENCY (Hz)
16MHz MCLKIN, V
DD1
= 4.5V
16MHz MCLKIN, V
DD1
= 5.0V
16MHz MCLKIN, V
DD1
= 5.5V
20MHz MCLKIN, V
DD1
= 4.5V
20MHz MCLKIN, V
DD1
= 5.0V
20MHz MCLKIN, V
DD1
= 5.5V
12536-007
–160
–140
–120
–100
–80
–60
–40
–20
0
0 5 10 15 20 25 30
MAGNITUDE (dB)
FREQUENCY (kHz)
SNR = 88.6dB
f
IN
= 1kHz
SINAD = 88.3dB
THD = –100.5dB
12536-008
0 10 20 30 40 50 60
DNL ERROR (LSB)
CODE (k)
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
12536-009
0 10 20 30 40 50 60
INL ERROR (LSB)
CODE (k)
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
12536-010
Rev. A | Page 9 of 20
AD7405 Data Sheet
Figure 11. Histogram of Codes at Code Center
Figure 12. SNR and SINAD vs. Temperature
Figure 13. THD and SFDR vs. Temperature
F
igure 14. Offset vs. Temperature
Figure 15. Gain Error vs. Temperature
Figure 16. I
DD1
vs. V
DD1
at Various Temperatures and Clock Rates
0
1147
144470
692381
160941
1061
0
0
100
200
300
400
500
600
700
800
32764 32765 32766 32767 32768 32769 32770
HITS PER CODE (k)
CODE
MCLKIN = 10MHz
V
IN+
= V
IN–
= 0V
1M SAMPLES
12536-011
60
70
80
100
90
–50 –25 0 25 50 75 100 125 150
SNR AND SINAD (dB)
TEMPERATURE (°C)
SNR
SINAD
f
IN
= 1kHz
12536-012
–120
–110
–100
–90
–80
–70
–60
–50 –25 0 25 50 75 100 125 150
THD AND SFDR (dB)
TEMPERATURE (°C)
THD
SFDR
f
IN
= 1kHz
12536-013
–200
–150
–100
–50
0
50
100
150
200
–50 –25
0 25 50 75 100 125 150
OFFSET (µV)
TEMPERATURE (°C)
MCLKIN = 20MHz
12536-014
–10
–8
–6
–4
–2
0
2
4
6
8
10
–50 –25 0 25 50 75 100 125 150
GAIN ERROR (mV)
TEMPERATURE (°C)
MCLKIN = 10MHz
MCLKIN = 20MHz
12536-015
0
5
10
15
20
25
30
35
4.50 4.75 5.00 5.25 5.50
I
DD1
(mA)
V
DD1
(V)
MCLKIN = 20MHz, –40°C
MCLKIN = 20MHz, +25°C
MCLKIN = 20MHz, +85°C
MCLKIN = 20MHz, +125°C
MCLKIN = 10MHz, –40°C
MCLKIN = 10MHz, +25°C
MCLKIN = 10MHz, +85°C
MCLKIN = 10MHz, +125°C
12536-016
Rev. A | Page 10 of 20
Data Sheet AD7405
Figure 17. I
DD1
vs. V
IN+
DC Input at Various Temperatures
Figure 18. I
DD2
vs. V
DD2
at Various Temperatures and Clock Rates
Figure 19. I
DD2
vs. V
IN+
DC Input at Various Temperatures
Figure 20. I
IN+
vs. V
IN+
DC Input at Various Clock Rates
25
26
27
28
29
30
31
32
–250 –125 0 125 250
I
DD1
(mA)
V
IN+
DC INPUT (mV)
DC INPUT
T
A
= –40°C
T
A
= 0°C
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C
12536-017
0
2
4
6
8
10
12
20
18
16
14
3.0 4.03.5 4.5 5.0 5.5
I
DD2
(mA)
V
DD2
(V)
MCLKIN = 20MHz, –40°C
MCLKIN = 20MHz, +25°C
MCLKIN = 20MHz, +85°C
MCLKIN = 20MHz, +125°C
MCLKIN = 10MHz, –40°C
MCLKIN = 10MHz, +25°C
MCLKIN = 10MHz, +85°C
MCLKIN = 10MHz, +125°C
12536-018
17.0
17.1
17.2
17.3
17.4
–250 –125 0
V
IN+
DC INPUT (mV)
125 250
I
DD2
(mA)
DC INPUT
T
A
= –40°C
T
A
= 0°C
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C
12536-019
–60
–40
–20
0
20
40
60
–320 –240 –160 –80 0 80 160 240 320
I
IN+
(µA)
V
IN+
DC INPUT (mV)
MCLKIN = 5MHz
MCLKIN = 10MHz
MCLKIN = 20MHz
DC INPUT
12536-020
Rev. A | Page 11 of 20
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21

AD7405BRIZ-RL7

Mfr. #:
Buy AD7405BRIZ-RL7
Manufacturer:
Analog Devices Inc.
Description:
Analog to Digital Converters - ADC Iso-16Bit SigmaDelta ADC Ext Clk LVDS
Lifecycle:
New from this manufacturer.
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