ADC12132CIMSA National Semiconductor, ADC12132CIMSA Datasheet - Page 8

• Manufacturer Part Number: ADC12132CIMSA
• Description: IC ADC 12BIT 20-SSOP
• Manufacturer: National Semiconductor

Specifications of ADC12132CIMSA

• Number Of Bits: 12
• Sampling Rate (per Second): 114k
• Data Interface: NSC MICROWIRE™, Serial
• Number Of Converters: 4
• Power Dissipation (max): 33mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP (0.200", 5.30mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *ADC12132CIMSA

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f
f
t
t
t
t
t
t
t
Symbol
CK
SK
C
A
CAL
AZ
SYNC
DOR
CONV
AC Electrical Characteristics
The following specifications apply for (V
common-mode voltage) or (V
voltage), V
MHz, and 10 (t
T
A
= T
J
= 25°C. (Note 17)
Conversion Clock (CCLK) Frequency
Serial Data Clock SCLK Frequency
Conversion Clock Duty Cycle
Serial Data Clock Duty Cycle
Conversion Time
Acquisition Time (Note 19)
Self-Calibration Time
Auto Zero Time
Self-Calibration or Auto Zero
Synchronization Time from DOR
DOR High Time when CS is Low
Continuously for Read Data and Software
Power Up/Down
CONV Valid Data Time
REF
− = 0V, 12-bit + sign conversion mode, source impedance for analog inputs, V
CK
) acquisition time unless otherwise specified. Boldface limits apply for T
Parameter
+
= V
A
+ = V
+
D
= V
+ = +3.3V, V
A
+ = V
D
12-Bit + Sign or 12-Bit
6 Cycles Programmed
10 Cycles Programmed
18 Cycles Programmed
34 Cycles Programmed
+ = +5V, V
REF
+ = +2.5V and fully-differential input with fixed 1.250V common-mode
Conditions
REF
8
+ = +4.096V, and fully-differential input with fixed 2.048V
(Note 10)
4944(t
Typical
44(t
10(t
18(t
34(t
76(t
6(t
2(t
9(t
8(t
10
10
1
0
CK
CK
SK
SK
CK
CK
CK
CK
CK
CK
)
)
)
)
)
)
)
)
)
)
A
REF
= T
Limits (Note 11)
− and V
J
4944(t
= T
44(t
10(t
11(t
18(t
19(t
34(t
35(t
76(t
6(t
7(t
988.8
2(t
3(t
9(t
8(t
15.2
0.40
0.60
8.8
1.2
1.4
2.0
2.2
3.6
3.8
6.8
7.0
1.8
1.6
MIN
40
60
40
60
5
5
CK
CK
CK
CK
SK
SK
CK
CK
CK
CK
CK
CK
CK
CK
REF
CK
)
)
)
)
)
)
to T
)
)
)
)
)
)
)
)
)
+
≤
MAX
25Ω, f
; all other limits
Units (Limits)
MHz (max)
MHz (max)
MHz (min)
CK
μs (max)
μs (max)
μs (max)
μs (max)
μs (max)
μs (max)
μs (max)
μs (max)
μs (max)
μs (max)
Hz (min)
% (max)
% (max)
μs (min)
μs (min)
μs (min)
μs (min)
μs (min)
% (min)
% (min)
(max)
(max)
(max)
(max)
(max)
(max)
(max)
(max)
(max)
(max)
(min)
(min)
(min)
(min)
(min)
= f
SK
= 5