ADC08831IMX National Semiconductor, ADC08831IMX Datasheet - Page 4

• Manufacturer Part Number: ADC08831IMX
• Description: ADC Single SAR 181KSPS 8-Bit Serial 8-Pin SOIC N T/R
• Manufacturer: National Semiconductor

Specifications of ADC08831IMX

• Package: 8SOIC N
• Resolution: 8 Bit
• Sampling Rate: 181 KSPS
• Architecture: SAR
• Number Of Analog Inputs: 1
• Digital Interface Type: Serial (3-Wire, Microwire)
• Input Type: Voltage
• Signal To Noise Ratio: 48.5(Typ) dB
• Polarity Of Input Voltage: Unipolar

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