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AD12400KWS Datasheet(Fiches technique) 4 Page - Analog Devices

Numéro de pièce AD12400KWS
Description  12-Bit 400 MSPS A/D Converter
Télécharger  28 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD12400KWS Datasheet(HTML) 4 Page - Analog Devices

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AD12400
Rev. 0 | Page 4 of 28
AD12400JWS
AD12400KWS
LOGIC OUTPUTS
Output Drive Current
Full
IV
−4
+4
−4
+4
mA
Output Common-Mode
Voltage
Full
IV
1.125
1.375
1.125
1.375
V
Start-Up Time
Full
IV
600
600
ms
1 Tested using input frequency of 70 MHz. See Figure 17 for I(VD) variation vs. input frequency.
2 All ac specifications tested by driving ENC single-ended.
3 Refer to Table 5 for logic convention on all logic inputs.
4 Digital Output Logic Levels: DR V = 3.3 V, CLOAD = 8 pF. 3.3 V LVDS R1 = 100 Ω.
Specifications subject to change without notice.
AC SPECIFICATIONS1
Table 2. VA = 3.8 V, VC = 3.3 V, VD = 1.5 V, Encode = 400 MSPS, 0°C ≤ TCASE ≤ 60°C, unless otherwise noted.
AD12400JWS
AD12400KWS
Parameter
Case Temp
Test Level
Min
Typ
Max
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE2
SNR
Analog Input
10 MHz
Full
I
62
64.4
62
64.4
dBFS
@ −1.0 dBFS
70 MHz
Full
I
61.5
64
61.5
64
dBFS
128 MHz
Full
I
60
63.5
60
63.5
dBFS
180 MHz
Full
I
60
62.5
60
62.5
dBFS
SINAD3
Analog Input
10 MHz
Full
I
61
64
61
64
dBFS
@ −1.0 dBFS
70 MHz
Full
I
60.5
64
60.5
64
dBFS
128 MHz
Full
I
59
62.5
59
62.5
dBFS
180 MHz
Full
I
57
61
57
61
dBFS
Spurious-Free Dynamic Range3
Analog Input
10 MHz
Full
I
69
80
69
80
dBFS
@ −1.0 dBFS
70 MHz
Full
I
69
84
69
84
dBFS
128 MHz
Full
I
67
76
67
76
dBFS
180 MHz
Full
I
62
71
62
71
dBFS
Image Spur4
Analog Input
10 MHz
Full
I
60
75
62
75
dBFS
@ −1.0 dBFS
70 MHz
Full
I
60
72
62
72
dBFS
128 MHz
Full
I
56
70
62
70
dBFS
180 MHz
Full
I
54
70
62
70
dBFS
Offset Spur4
60°C
V
65
65
dBFS
Analog Input @ −1.0 dBFS
Two-Tone IMD5
F1, F2 @ −6 dBFS
60°C
V
−75
−75
dBc
SWITCHING SPECIFICATIONS
Conversion Rate6
Full
IV
396
400
404
396
400
404
MSPS
Encode Pulsewidth High (tEH)1
60°C
V
1.25
1.25
ns
Encode Pulsewidth Low (tEL)1
60°C
V
1.25
1.25
ns
DIGITAL OUTPUT PARAMETERS
Valid Time (tV)
Full
IV
1.9
2.4
3.1
1.9
2.4
3.1
ns
Propagation Delay (tPD)
60°C
V
1.20
1.20
ns
Rise Time (tR) (20% to 80%)
60°C
V
1
1
ns
Fall Time (tF) (20% to 80%)
60°C
V
1
1
ns


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