ADC12034 National Semiconductor Corporation, ADC12034 Datasheet - Page 8

• Manufacturer Part Number: ADC12034
• Description: Self-calibrating 12-bit Plus Sign Serial I/o A/d Converters With Mux And Sample/hold
• Manufacturer: National Semiconductor Corporation

www.national.com
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
f
f
Symbo
Symb
IN(1)
IN(0)
OUT
D
A
REF
CK
SK
IN(1)
IN(0)
OUT(1)
OUT(0)
+
+
SC
SC
DC and Logic Electrical Characteristics
The following specifications apply for V
mode, f
ADC12032, ADC12034 and ADC12038, R
2.048V common-mode voltage, and 10(t
T
AC Electrical Characteristics
The following specifications apply for V
mode, t
ADC12030, ADC12032, ADC12034 and ADC12038, R
input with fixed 2.048V common-mode voltage, and 10(t
T
ol
MIN
l
A
= T
to T
Conversion Clock (CCLK)
Frequency
Serial Data Clock SCLK
Frequency
Conversion Clock Duty Cycle
Serial Data Clock Duty Cycle
J
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
ADC12030, ADC12032, ADC12034 and
ADC12038
Digital Supply Current
ADC12H030, ADC12H032, ADC12H034
and ADC12H038
Positive Analog Supply Current
Reference Input Current
CK
r
= T
= t
MAX
= f
f
MIN
= 3 ns, f
; all other limits T
SK
to T
= 8 MHz for the ADC12H030, ADC12H032, ADC12H034 and ADC12H038, f
Parameter
MAX
CK
Parameter
; all other limits T
= f
SK
= 8 MHz for the ADC12H030, ADC12H032, ADC12H034 and ADC12H038, f
A
= T
J
= 25°C. (Notes 7, 8, 9)
+
+
A
CK
= V
= V
= T
S
) acquisition time unless otherwise specified. Boldface limits apply for T
= 25Ω, source impedance for V
A
A
Conditions
J
+ = V
+ = V
= 25°C. (Note 17)
V
V
V
V
V
V
V
V
V
V
V
Awake
CS = HIGH, Powered Down, CCLK on
CS = HIGH, Powered Down, CCLK off
Awake
CS = HIGH, Powered Down, CCLK on
CS = HIGH, Powered Down, CCLK off
Awake
CS = HIGH, Powered Down, CCLK on
CS = HIGH, Powered Down, CCLK off
Awake
CS = HIGH, Powered Down
D
D
+
+
IN
IN
+
+
+
OUT
OUT
OUT
OUT
+ = +5.0 V
+ = +5.0 V
= 5.5V
= 4.5V
= 4.5V, I
= 4.5V, I
= 4.5V, I
= 5.0V
= 0V
S
CK
= 0V
= 5V
= 0V
= V
= 25Ω, source impedance for V
) acquisition time unless otherwise specified. Boldface limits apply for
D
+
OUT
OUT
OUT
DC
DC
8
Conditions
, V
, V
(Note 10)
= −360 µA
= − 10 µA
= 1.6 mA
Typical
REF
REF
10
10
1
0
+ = +4.096 V
+ = +4.096 V
REF
ADC12H030/2/4/8
+ and V
(Note 11)
Limits
DC
DC
REF
40
60
40
60
8
8
, V
, V
REF
−
REF
REF
≤
+ and V
− = 0 V
− = 0 V
CK
(Note 10)
25Ω, fully-differential input with fixed
Typical
−0.005
0.005
−0.1
= f
600
0.1
1.6
2.3
0.9
2.7
0.1
0.1
14
16
20
20
10
70
SK
ADC12030/2/4/8
REF
DC
DC
= 5 MHz for the ADC12030,
(Note 11)
, 12-bit + sign conversion
, 12-bit + sign conversion
−
Limits
≤
CK
40
60
40
60
(Note 11)
5
5
25Ω, fully-differential
Limits
= f
−1.0
4.25
−3.0
2.0
0.8
1.0
2.4
0.4
3.0
6.5
8.0
2.5
3.2
4.0
SK
= 5 MHz for the
A
MHz (max)
MHz (max)
= T
MHz (min)
mA (max)
mA (max)
Hz (min)
% (max)
% (max)
µA (max)
µA (max)
µA (max)
mA (min)
mA (min)
(Limits)
% (min)
% (min)
µA (min)
(Limits)
V (max)
V (max)
V (min)
V (min)
V (min)
Units
Units
J
mA
mA
µA
µA
µA
µA
µA
µA
µA
=