ADC12H034CIMSAX/NOPB National Semiconductor, ADC12H034CIMSAX/NOPB Datasheet - Page 8

• Manufacturer Part Number: ADC12H034CIMSAX/NOPB
• Description: ADC 12BIT W/S&H +SIGN 24-SSOP
• Manufacturer: National Semiconductor

Specifications of ADC12H034CIMSAX/NOPB

• Number Of Bits: 12
• 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: 24-SSOP (0.200", 5.30mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ADC12H034CIMSAX

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f
f
t
t
t
t
t
t
t
Symbol
CK
SK
C
A
CKAL
AZ
SYNC
DOR
CONV
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
A
= T
J
r
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
= T
= t
f
MIN
= 3 ns, f
to T
MAX
Parameter
CK
; all other limits T
= f
SK
= 8 MHz for the ADC12H030, ADC12H032, ADC12H034 and ADC12H038, f
+
A
= V
= T
A
12-Bit + Sign or
12-Bit
8-Bit + Sign or 8-
Bit
6 Cycles
Programmed
10 Cycles
Programmed
18 Cycles
Programmed
34 Cycles
Programmed
J
+ = V
= 25°C. (Note 17)
Conditions
D
+ = +5.0 V
S
CK
= 25Ω, source impedance for V
) acquisition time unless otherwise specified. Boldface limits apply for
DC
8
, V
(Note 10)
4944(t
Typical
44(t
21(t
10(t
18(t
34(t
76(t
6(t
2(t
9(t
8(t
REF
10
10
1
0
CK
CK
SK
SK
CK
CK
CK
CK
CK
CK
+ = +4.096 V
CK
)
)
)
)
)
)
)
)
)
)
)
ADC12H030/2/4/8
(Note 11)
4944(t
44(t
21(t
10(t
11(t
18(t
19(t
34(t
35(t
76(t
Limits
2.625
6(t
7(t
0.875
1.375
2.375
4.375
618.0
2(t
3(t
0.250
0.375
9(t
1.125
8(t
DC
0.75
1.25
2.25
4.25
5.5
9.5
1.0
40
60
40
60
8
8
, V
CK
CK
CK
CK
SK
SK
CK
CK
CK
CK
CK
CK
CK
CK
CK
REF
CK
)
)
REF
)
)
)
)
)
)
)
)
)
)
)
)
)
)
+ and V
− = 0 V
ADC12030/2/4/8
REF
DC
(Note 11)
4944(t
, 12-bit + sign conversion
−
44(t
21(t
10(t
11(t
18(t
19(t
34(t
35(t
76(t
Limits
6(t
7(t
988.8
2(t
3(t
9(t
8(t
15.2
0.40
0.60
≤
8.8
4.2
1.2
1.4
2.0
2.2
3.6
3.8
6.8
7.0
1.8
1.6
CK
40
60
40
60
5
5
CK
CK
CK
CK
SK
SK
25Ω, fully-differential
CK
CK
CK
CK
CK
CK
CK
CK
CK
= f
CK
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
SK
)
= 5 MHz for the
MHz (max)
MHz (max)
MHz (min)
µs (max)
µs (max)
µs (max)
µs (max)
µs (max)
µs (max)
µs (max)
µs (max)
µs (max)
µs (max)
µs (max)
Hz (min)
% (max)
% (max)
(Limits)
µs (min)
µs (min)
µs (min)
µs (min)
µs (min)
% (min)
% (min)
Units
(max)
(max)
(max)
(max)
(max)
(max)
(max)
(max)
(max)
(max)
(max)
(min)
(min)
(min)
(min)
(min)