Electrical characteristics – Rainbow Electronics ADC08832 User Manual
Page 4
Electrical Characteristics
(Continued)
The following specifications apply for V
CC
= V
REF
= +5V
DC
, and f
CLK
= 2 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.
Symbol
Parameter
Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
(Limits)
DC CHARACTERISTICS
I
CC
Supply Current
ADC08831
CLK = high
CS = V
CC
0.6
1.0
mA (max)
CS = LOW
1.7
2.4
mA (max)
I
CC
Supply Current
ADC08832
CLK = high (Note 16)
CS = V
CC
1.3
1.8
mA (max)
CS = LOW
2.4
3.5
mA (max)
Electrical Characteristics
The following specifications apply for V
CC
= V
REF
= +5 V
DC
, and t
r
= t
f
= 20 ns 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.
Symbol
Parameter
Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
(Limits)
f
CLK
Clock Frequency
2
MHz (max)
Clock Duty Cycle
(Note 14)
40
60
% (min)
% (max)
T
C
Conversion Time (Not Including MUX
Addressing Time)
f
CLK
= 2MHz
8
4
1/f
CLK
(max)
µs (max)
t
CA
Acquisition Time
1
⁄
2
1/f
CLK
(max)
t
SET-UP
CS Falling Edge or Data Input
Valid to CLK Rising Edge
25
ns (min)
t
HOLD
Data Input Valid after CLK
Rising Edge
20
ns (min)
t
pd1
, t
pd0
CLK Falling Edge to Output
Data Valid (Note 15)
C
L
= 100 pF:
Data MSB First
Data LSB First
250
200
ns (max)
ns (max)
t
1H
, t
0H
TRI-STATE Delay from Rising Edge
of CS to Data Output and SARS Hi-Z
C
L
= 10 pF, R
L
= 10 k
Ω
(see TRI-STATE Test Circuits)
50
ns
C
L
= 100 pF, R
L
= 2 k
Ω
180
ns (max)
C
IN
Capacitance of Analog input (Note 17)
13
pF
C
IN
Capacitance of Logic Inputs
5
pF
C
OUT
Capacitance of Logic Outputs
5
pF
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