AD876AR Analog Devices, AD876AR Datasheet - Page 3

• Manufacturer Part Number: AD876AR
• Description: 10-Bit 20 MSPS 160 mW CMOS A/D Converter
• Manufacturer: Analog Devices

REV. B
DIGITAL SPECIFICATIONS
Parameter
LOGIC INPUT
LOGIC OUTPUTS
Specifications subject to change without notice.
TIMING SPECIFICATIONS
Maximum Conversion Rate
Clock Period
Clock High
Clock Low
Output Delay
Pipeline Delay (Latency)
Aperture Delay Time
Aperture Jitter
NOTE
1
Conversion rate is operational down to 10 kHz without degradation in specified performance.
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Low Level Input Current (CLK Only)
Input Capacitance
High Level Output Voltage
Low Level Output Voltage
Output Capacitance
Output Leakage Current
(I
(I
(I
(I
OH
OH
OL
OL
= 50 A)
= 0.6 mA)
= 50 A)
= 0.5 mA)
1
OUT
CLK
AIN
(T
f
CLOCK
MIN
SAMPLE N
DATA N-4
to T
= 20 MSPS, C
MAX
t
CH
Symbol
V
V
I
I
I
C
V
V
C
I
Symbol
t
t
t
t
C
CH
CL
OD
IH
IL
IL
OZ
IH
IL
OH
OL
t
IN
OUT
with AV
C
Figure 1. Timing Diagram
SAMPLE N+1 SAMPLE N+2
t
CL
DATA N-3
DD
L
= 20 pF unless otherwise noted)
= +5.0 V, DV
–3–
DATA N-2
DRV
3.0
5.0
5.25
3.0
5.0
5.25
5.0
5.0
5.0
3.0
5.0
5.0
3.6
5.25
5.25
DD
DD
= +5.0 V, DRV
DATA N-1
Min
2.4
4.0
4.2
–10
–50
–10
2.4
3.8
2.4
–10
Min
20
23
23
10
DD
DATA N
t
= +3.3 V, V
OD
AD876
Typ
5
5
Typ
50
25
25
20
4
22
REFT
= +4.0 V, V
Max
0.6
1.0
1.05
+10
0.7
1.05
0.4
10
Max
3.5
+50
+10
REFB
Units
V
V
V
V
V
V
pF
V
V
V
V
V
V
pF
Units
MHz
ns
ns
ns
ns
Clock Cycles
ns
ps
= +2.0 V,
AD876
A
A
A
A