2
LTC1458/LTC1458L
(Note 1)
VCC to GND .............................................. –0.5V to 7.5V
Logic Inputs to GND ................................ – 0.5V to 7.5V
VOUT A, VOUT B, VOUT C, VOUT D,
X1/X2 A , X1/X2 B, X1/X2 C,
X1/X2 D ......................................... – 0.5V to VCC + 0.5V
REFHI A , REFHI B, REFHI C, REFHI D,
REFLO A , REFLO B, REFLO C,
REFLO D ........................................ – 0.5V to VCC + 0.5V
Maximum Junction Temperature ......................... 125
°C
Operating Temperature Range
LTC1458C/LTC1458LC ............................ 0
°C to 70°C
LTC1458I/LTC1458LI ........................ – 40
°C to 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
ORDER PART
NUMBER
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = TMIN to TMAX. VCC = 4.5V to 5.5V (LTC1458), 2.7V to 5.5V (LTC1458L),
X1/X2 = REFLO = GND, REFHI = REFOUT, VOUT unloaded, unless otherwise noted.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VCC
X1/X2 B
VOUT B
CLR
REFHI B
GND
REFLO B
REFLO A
REFHI A
REFOUT
NC
VOUT A
X1/X2 A
VCC
X1/X2 C
VOUT C
CS/LD
DIN
REFHI C
GND
REFLO C
REFLO D
REFHI D
DOUT
CLK
NC
VOUT D
X1/X2 D
SW PACKAGE
28-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 100°C/W (G)
TJMAX = 125°C, θJA = 150°C/W (SW)
LTC1458CG
LTC1458CSW
LTC1458LCG
LTC1458LCSW
LTC1458IG
LTC1458ISW
LTC1458LIG
LTC1458LISW
Consult factory for Military grade parts.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DAC
Resolution
q
12
Bits
DNL
Differential Nonlinearity
Guaranteed Monotonic (Note 2)
q
±0.5
LSB
INL
Integral Nonlinearity
TA = 25°C
±1.75
±4.0
LSB
(Note 2)
q
±2.25
±4.5
LSB
VOS
Offset Error
TA = 25°C
±3.0
±12
mV
q
±6.0
±18
mV
VOSTC
Offset Error Temperature
±15
V/°C
Coefficient
VFS
Full-Scale Voltage
When Using Internal Reference, LTC1458, TA = 25°C
4.065
4.095
4.125
V
LTC1458
q
4.045
4.095
4.145
V
When Using Internal Reference, LTC1458L, TA = 25°C
2.470
2.500
2.530
V
LTC1458L
q
2.460
2.500
2.540
V
VFSTC
Full-Scale Voltage
When Using Internal Reference
± 24
ppm/
°C
Temperature Coefficient
Reference
Reference Output Voltage
LTC1458
q
2.008
2.048
2.088
V
LTC1458L
q
1.195
1.220
1.245
V
Reference Output
±20
ppm/
°C
Temperature Coefficient
Reference Line Regulation
q
0.7
±2.0
LSB/V
Reference Load Regulation
0
≤ IOUT ≤ 100A, LTC1458
q
0.2
1.5
LSB
LTC1458L
q
0.6
3.0
LSB
Reference Input Range
VREFHI ≤ VCC – 1.5V
VCC/2
V
Reference Input Resistance
q
15
24
40
k
ELECTRICAL CHARACTERISTICS
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W