adc12132 National Semiconductor Corporation, adc12132 Datasheet - Page 7

• Manufacturer Part Number: adc12132
• Description: Self-calibrating 12-bit Plus Sign Serial I/o A/d Converters With Mux And Sample/hold
• Manufacturer: National Semiconductor Corporation

CCLK, CS, CONV, DI, PD AND SCLK INPUT CHARACTERISTICS
V
V
I
I
DO, EOC AND DOR DIGITAL OUTPUT CHARACTERISTICS
V
V
I
+I
−I
POWER SUPPLY CHARACTERISTICS
I
I
I
Symbol
IN(1)
IN(0)
OUT
D
A
REF
IN(1)
IN(0)
OUT(1)
OUT(0)
+
SC
SC
+
DC and Logic Electrical Characteristics
The following specifications apply for (V
common-mode voltage) or (V
mode voltage), V
= f
other limits T
SK
= 5 MHz, and 10 (t
Logical “1” Input Voltage
Logical “0” Input Voltage
Logical “1” Input Current
Logical ′“0” Input Current
Logical “1” Output Voltage
Logical “0” Output Voltage
TRI-STATE Output Current
Output Short Circuit Source Current
Output Short Circuit Sink Current
Digital Supply Current
Positive Analog Supply Current
Reference Input Current
A
= T
REF
J
= 25˚C. (Notes 7, 8, 9)
− = 0V, 12-bit + sign conversion mode, source impedance for analog inputs, V
Parameter
CK
) acquisition time unless otherwise specified. Boldface limits apply for T
+
= V
A
+ = V
+
D
= V
+ = +3.3V, V
A
+ = V
V
V
V
V
V
I
V
I
V
I
V
V
V
V
Awake (Active)
CS = HIGH, Powered Down,
CCLK on
CS = HIGH, Powered Down,
CCLK off
Awake (Active)
CS = HIGH, Powered Down,
CCLK on
CS = HIGH, Powered Down,
CCLK off
CS = HIGH, Powered Down,
CCLK on
CS = HIGH, Powered Down,
CCLK off
OUT
OUT
OUT
A
A
IN
IN
A
A
A
OUT
OUT
OUT
OUT
+ = V
+ = V
+ = V
+ = V
+ = V
= V
= 0V
D
= −360 µA
= −10 µA
= 1.6 mA
+ = +5V, V
= 0V
= V
= 0V
= V
+
REF
D
D
D
D
D
Conditions
+ = V
+ = V
+ = V
+ = V
+ = V
+
D
+
+ = +2.5V and fully-differential input with fixed 1.250V common-
+
+
+
+
+
7
REF
+10%
−10%
− 10%,
− 10%,
− 10%
+ = +4.096V, and fully-differential input with fixed 2.048V
(Note 10)
Typical
−0.005
0.005
−0.1
−0.1
−14
600
0.1
0.1
16
20
10
70
V
V
(Note 11)
+
D
Limits
+ = 3.3V
= V
−1.0
−3.0
2.0
0.8
1.0
2.4
2.9
0.4
3.0
1.5
3.0
A
+ =
REF
A
− and V
= T
V
V
(Note 11)
+
J
D
Limits
= V
−1.0
4.25
−3.0
= T
+ = 5V
2.0
0.8
1.0
2.4
0.4
3.0
2.5
4.0
REF
A
MIN
+ =
+ ≤ 25Ω, f
www.national.com
to T
mA (max)
mA (max)
µA (max)
µA (max)
µA (max)
µA (min)
(Limits)
V (max)
V (max)
V (min)
V (min)
V (min)
MAX
Units
mA
mA
µA
µA
µA
µA
µA
µA
; all
CK