AD9214-80 Просмотр технического описания (PDF) - Analog Devices
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AD9214-80 Datasheet PDF : 21 Pages
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AD9214–SPECIFICATIONS
SWITCHING SPECIFICATIONS (AVDD = 3 V, DrVDD = 3 V; ENCODE = Maximum Conversion Rate; TMIN = –40؇C, TMAX = +85؇C;
external 1.25 V voltage reference used, unless otherwise noted.)
Parameter
Temp
Test
AD9214-65
AD9214-80
AD9214-105
Level Min Typ Max Min Typ Max Min Typ Max Unit
ENCODE INPUT PARAMETERS*
Maximum Conversion Rate
Minimum Conversion Rate
Encode Pulsewidth High (tEH)
Encode Pulsewidth Low (tEL)
Aperture Delay (tA)
Aperture Uncertainty (Jitter)
Full
VI
Full
IV
Full
IV
Full
IV
25°C V
25°C
V
65
20
6.0
6.0
2.0
3
80
20
5.0
5.0
2.0
3
105
3.8
3.8
2.0
3
MSPS
20 MSPS
ns
ns
ns
ps rms
DATA OUTPUT PARAMETERS
Pipeline Delays
Output Valid Time (tV)*
Output Propagation Delay* (tPD)
TRANSIENT RESPONSE TIME
Full
IV
Full
V
Full
V
25°C V
5
5
5
Clock Cycle
3.0 4.5
3.0 4.5
3.0 4.5
ns
4.5 6.0
4.5 6.0
4.5 6.0 ns
5
5
5
ns
OUT-OF-RANGE RECOVERY TIME 25°C V
5
5
5
ns
*tV and tPD are measured from the 1.5 V level of the ENCODE input to the 50% levels of the digital output swing. The digital output load during test is not to exceed
an ac load of 5 pF or a dc current of ± 40 µA.
Specifications subject to change without notice.
AIN
ENCODE
SAMPLE N
tA
tEH
tEL
SAMPLE N+1
SAMPLE N+5
1/FS
SAMPLE N+2
SAMPLE N+3
SAMPLE N+4
D9 – D0
DATA N–5
DATA N–4
DATA N–3
tPD
DATA N–2
DATA N–1
Figure 1. Timing Diagram
tV
DATA N
–4–
REV. D
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