LM12454CIV National Semiconductor, LM12454CIV Datasheet - Page 7

• Manufacturer Part Number: LM12454CIV
• Description: IC ACQUISITION SYS 12BIT 44-PLCC
• Manufacturer: National Semiconductor
• Type: Data Acquisition System (DAS)r

Specifications of LM12454CIV

• Resolution (bits): 12 b
• Sampling Rate (per Second): 140k
• Data Interface: Parallel
• Voltage Supply Source: Analog and Digital
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *LM12454CIV

I
I
I
R
V
∆V
∆
∆V
I
∆V
t
Symbol
D
A
ST
SC
SU
Symbol
REF
ON
REFOUT
+
DC Characteristics
The following specifications apply to the LM12454, LM12458, and LM12H458 for V
f
face limits apply for T
+
Internal Reference Characteristics
The following specifications apply to the LM12454, LM12458, and LM12H458 for V
Boldface limits apply for T
CLK
REF
REF
REF
/∆I
/∆T Internal Reference Temperature Coefficient
/∆t
= 8.0 MHz (LM12H454/8) or f
L
V
V
Stand-By Supply Current (I
[Power-Down Mode Selected]
Multiplexer ON-Channel Leakage Current
Multiplexer OFF-Channel Leakage Current
Multiplexer ON-Resistance
Multiplexer Channel-to-Channel
R
Internal Reference Output Voltage
Internal Reference Load Regulation
Line Regulation
Internal Reference Short Circuit Current
Long Term Stability
Internal Reference Start-Up Time
D
A
ON
+ Supply Current
+ Supply Current
matching
A
= T
Parameter
Parameter
A
J
= T
= T
(Notes 6, 7, 8)
J
MIN
CLK
D
= T
+) + (I
to T
= 5.0 MHz (LM12458), and minimum acquisition time unless otherwise specified. Bold-
MIN
MAX
to T
A
+)
; all other limits T
MAX
; all other limits T
CS = “1”
CS = “1”
V
V
LM12454
LM12454
Sourcing (0
Sinking (−1 ≤ I
4.5V ≤ V
V
V
5V, C
A
A
LM12454/8
LM12H458
LM12454/8
LM12H458
ON-Channel = 5.5V,
OFF-Channel = 0V
OFF-Channel = 5.5V
ON-Channel = 5.5V
OFF-Channel = 0V
ON-Channel = 0V
OFF-Channel = 5.5V
V
V
V
V
V
V
REFOUT
A
+ = 5.5V
+ = 5.5V
(Notes 6, 7)
+ = V
IN
IN
IN
IN
IN
IN
ON-Channel = 0V
= 5V
= 2.5V
= 0V
= 5V
= 2.5V
= 0V
L
7
A
= 100 µF
Conditions
D
Conditions
A
= T
= 0V
+ = 0V →
+ ≤ 5.5V
A
<
J
= 25˚C.
= T
IL
I
L
Clock Stopped
<
≤ +4 mA)
8 MHz Clock
J
= 25˚C.
0 mA)
A
A
+ = V
+ = V
(Note 10)
Typical
(Note 10)
D
D
Typical
200
2.5
±
±
±
40
13
10
+ = 5V, V
+ = 5V unless otherwise specified.
3
0.55
0.55
800
850
760
1.0%
1.0%
1.0%
3.1
3.1
0.1
0.1
0.1
0.1
10
40
REF+
(Note 11)
2.5
(Note 11)
Limits
Limits
±
±
±
0.2
1.2
1500
1500
1500
20
25
= 5V, V
3.0%
3.0%
3.0%
±
1.0
1.2
5.0
5.5
0.3
0.3
0.3
0.3
4%
REF−
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%/mA (max)
%/mA (max)
mV (max)
mA (max)
mA (max)
mA (max)
mA (max)
mA (max)
ppm/kHr
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
µA (max)
V (max)
ppm/˚C
Ω(max)
Ω(max)
Ω(max)
Units
= 0V,
Units
(max)
(max)
(max)
ms