ADC08034 National Semiconductor, ADC08034 Datasheet - Page 4

• Manufacturer Part Number: ADC08034
• Description: 8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options/ Voltage Reference/ and Track/Hold Function
• Manufacturer: National Semiconductor

www.national.com
f
T
t
t
t
t
t
t
C
C
CLK
CA
SELECT
SET-UP
HOLD
pd1
1H
DIGITAL AND DC CHARACTERISTICS
I
I
I
I
REFERENCE CHARACTERISTICS
V
The following specifications apply for V
apply for T
Symbol
OUT
SOURCE
SINK
CC
C
IN
OUT
Electrical Characteristics
Electrical Characteristics
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur.
Note 2: Operating Ratings indicate conditions for which the device is functional. These ratings do not guarantee specific performance limits. For guaranteed speci-
fications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance character-
istics may degrade when the device is not operated under the listed test conditions.
Note 3: All voltages are measured with respect to AGND = DGND = 0 V
Symbol
The following specifications apply for V
apply for T
V
REF
, t
, t
OUT(0)
0H
pd0
OUT
A
Clock Frequency
Clock Duty Cycle
(Note 13)
Conversion Time (Not Including
MUX Addressing Time)
Acquisition Time
CLK High while CS is High
CS Falling Edge or Data Input
Valid to CLK Rising Edge
Data Input Valid after CLK
Rising Edge
CLK Falling Edge to Output
Data Valid (Note 14)
TRI-STATE Delay from Rising Edge
of CS to Data Output and SARS Hi-Z
Capacitance of Logic Inputs
Capacitance of Logic Outputs
A
= T
Logical “0” Output Voltage
TRI-STATE
Output Source Current
Output Sink Current
Supply Current
Nominal Reference Output
= T
ADC08031, ADC08034, and
ADC08038
J
J
= T
= T
MIN
MIN
Parameter
®
to T
Parameter
to T
Output Current
MAX
MAX
; all other limits T
; all other limits T
CC
CC
= V
= V
(Continued)
REF
REF
= +5 V
V
I
V
V
V
V
CS = HIGH
V
Available Only on
ADC08034 and
ADC08038
= +5 V
OUT
CC
OUT
OUT
OUT
OUT
REF
A
A
Conditions
= T
= T
f
C
Data MSB First
Data LSB First
C
(see TRI-STATE Test Circuits)
C
= 4.75V
OUT Option
CLK
= 1.6 mA
= 0V
= 5V
= 0V
= V
L
L
L
DC
J
DC
DC
J
= 100 pF:
= 10 pF, R
= 100 pF, R
= 25˚C.
, and t
= 1 MHz
= 25˚C.
, unless otherwise specified.
CC
, and f
4
Conditions
r
CLK
= t
L
f
L
= 1 MHz unless otherwise specified. Boldface limits
= 10 k
= 20 ns unless otherwise specified. Boldface limits
= 2 k
Typical (Note
ADC08031, ADC08034 and
2.6
8)
ADC08038
(Note 8)
Typical
Limits (Note 9)
10
50
50
5
5
−3.0
−6.5
0.4
3.0
8.0
3.0
(Note 9)
Limits
250
200
180
40
60
25
20
1
1
8
8
⁄
2
Units (Limits)
mA (max)
µA (max)
µA (max)
mA (min)
mA (min)
1/f
V (max)
1/f
MHz (max)
kHz (min)
µs (max)
ns (max)
ns (max)
ns (max)
% (max)
(Limits)
ns (min)
ns (min)
% (min)
CLK
CLK
Units
V
pF
pF
ns
ns
(max)
(max)