Datasheet

Electrical Characteristics
The following specifications apply for V
+
=AV
+
=DV
+
= + 5.0 V
DC
,V
REF
+
= 5.000 V
DC
,V
REF
−
= GND, V
−
= GND for unipolar
operation or V
−
= −5.0 V
DC
for bipolar operation, and f
CLK
= 5.0 MHz unless otherwise specified. Boldface limits apply for T
A
=T
J
=T
MIN
to T
MAX
; all other limits T
A
=T
J
= 25˚C. (Note 16)
Symbol Parameter Conditions Typical Limits
(Note 11)
Units
(Limit)
(Note 10)
AC CHARACTERISTICS
f
CLK
Clock Frequency 8 5.0 MHz (Max)
10 kHz (Min)
Clock Duty Cycle 20 % (Min)
80 % (Max)
t
C
Conversion 8-Bit Unipolar Mode 16 1/f
CLK
Time f
CLK
= 5.0 MHz 3.2 µs (Max)
8-Bit Bipolar Mode 18 1/f
CLK
f
CLK
= 5.0 MHz 3.6 µs (Max)
10-Bit Unipolar Mode 20 1/f
CLK
f
CLK
= 5.0 MHz 4.0 µs (Max)
10-Bit Bipolar Mode 22 1/f
CLK
f
CLK
= 5.0 MHz 4.4 µs (Max)
t
A
Acquisition Time 6 1/f
CLK
f
CLK
= 5.0 MHz 1.2 µs
t
CR
Delay between Falling Edge of 0 5 ns (Min)
CS and Falling Edge of RD
t
RC
Delay betwee Rising Edge 0 5 ns (Min)
RD and Rising Edge of CS
t
CW
Delay between Falling Edge 0 5 ns (Min)
of CS and Falling Edge of WR
t
WC
Delay between Rising Edge 0 5 ns (Min)
of WR and Rising Edge of CS
t
RW
Delay between Falling Edge 0 5 ns (Min)
of RD and Falling Edge of WR
t
W(WR)
WR Pulse Width 25 50 ns (Min)
t
WS
WR High to CLK÷2 Low Set-Up Time 5 ns (Max)
t
DS
Data Set-Up Time 6 15 ns (Max)
t
DH
Data Hold Time 0 5 ns (Max)
t
WR
Delay from Rising Edge 0 5 ns (Min)
of WR to Rising Edge RD
t
ACC
Access Time (Delay from Falling C
L
= 100 pF 25 45 ns (Max)
Edge of RD to Output Data Valid)
t
WI
,t
RI
Delay from Falling Edge C
L
= 100 pF 25 40 ns (Max)
of WR or RD to Reset of INT
t
INTL
Delay from Falling Edge of CLK÷2 to
Falling Edge of INT
40 ns
t
1H
,t
0H
TRI-STATE Control (Delay from C
L
= 10 pF, R
L
=1kΩ 20 35 ns (Max)
Rising Edge of RD to Hi-Z State)
t
RR
Delay between Successive 25 50 ns (Min)
RD Pulses
t
P
Delay between Last Rising Edge
of RD and the Next Falling
20 50 ns (Min)
Edge of WR
C
IN
Capacitance of Logic Inputs 5 pF
C
OUT
Capacitance of Logic Outputs 5 pF
ADC10154/ADC10158
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