AD775 Analog Devices, AD775 Datasheet - Page 3

• Manufacturer Part Number: AD775
• Description: 8-Bit 20 MSPS/ 60 mW Sampling A/D Converter
• Manufacturer: Analog Devices

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DIGITAL SPECIFICATIONS
Parameter
LOGIC INPUT
LOGIC OUTPUTS
TIMING SPECIFICATIONS
Maximum Conversion Rate
Clock Period
Clock High
Clock Low
Output Delay
Pipeline Delay (Latency)
Sampling Delay
Aperture Jitter
Specifications subject to change without notice.
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Logic Input Capacitance
High Level Output Current
Low Level Output Current
(V
(V
OE = DV
OE = DV
OE = DV
OE = DV
IH
IL
= 0 V)
= DV
SS
DD
SS
DD
DD
, V
, V
, V
, V
)
OH
OL
OH
OL
= 0.4 V
= DV
= 0 V
= DV
DD
DD
CLK
OUT
VIN
–0.5 V
Symbol
t
t
t
t
t
(T
CLOCK = 20 MHz unless otherwise noted)
C
CH
CL
OD
DS
A
= +25 C with AV
t
CH
SAMPLE N
t
Figure 1. AD775 Timing Diagram
DATA N-3
C
Symbol
V
V
I
I
C
I
I
I
I
IH
IL
OH
OZ
OL
OZ
IH
IL
IN
t
CL
t
DS
DD
, DV
SAMPLE N+1
Min
20
50
25
25
DD
–3–
DATA N-2
DV
5.0
5.0
5.25
5.25
4.75
5.25
4.75
5.25
= +5 V, AV
DD
SS
SAMPLE N+2
, DV
SS
Typ
35
18
4
30
4.0
–5
3.7
Min
DATA N-1
= 0 V, V
t
RT
OD
= 2.6 V, V
DATA N
AD775J
Typ
5
Max
30
2.5
RB
= +0.6 V,
Max
1.0
5
–1.1
16
16
Units
MHz
ns
ns
ns
ns
Clock Cycles
ns
ps
AD775
Units
V
V
pF
mA
mA
A
A
A
A