LM12458CIV National Semiconductor, LM12458CIV Datasheet - Page 7
LM12458CIV
Manufacturer Part Number
LM12458CIV
Description
A/D Converter (A-D) IC
Manufacturer
National Semiconductor
Datasheet
1.LM12458CIV.pdf
(36 pages)
Specifications of LM12458CIV
Resolution (bits)
13bit
Sampling Rate
114kSPS
Input Channel Type
Differential, Single Ended
Data Interface
Parallel
No. Of Pins
44
Input Channels Per Adc
8
Mounting Type
Surface Mount
No. Of Channels
1
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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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−
www.national.com
%/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