LTC1450/LTC1450L
W W U W
U
W U
ABSOLUTE MAXIMUM RATINGS
PACKAGE/ORDER INFORMATION
VCC to GND .............................................. –0.5V to 7.5V
Logic Inputs to GND ................................ –0.5V to 7.5V
VOUT .............................................. –0.5V to VCC + 0.5V
REFOUT, REFLO, REFHI, X1/X2 ..... –0.5V to VCC + 0.5V
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range
Commercial ........................................... 0°C to 70°C
Industrial ......................................... –40°C to 85°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
TOP VIEW
ORDER PART
NUMBER
1
2
LDAC
CLR
24
23
22
21
20
19
18
17
16
15
14
13
WR
CSLSB
CSMSB
(LSB) D0
D1
LTC1450CG
LTC1450CN
LTC1450IG
LTC1450IN
LTC1450LCG
LTC1450LCN
LTC1450LIG
LTC1450LIN
3
X1/X2
4
V
OUT
5
V
CC
6
REFOUT
REFHI
REFLO
GND
D2
7
D3
8
D4
9
D5
10
11
12
D11(MSB)
D10
D6
D7
D9
D8
G PACKAGE
24-LEAD PLASTIC SSOP
N PACKAGE
24-LEAD PLASTIC PDIP
TJMAX = 125°C, θJA = 95°C/ W (G)
TJMAX = 125°C, θJA = 58°C/ W (N)
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS
Resolution
●
12
Bits
DNL
INL
Differential Nonlinearity
Integral Nonlinearity
Guaranteed Monotonic (Note 1)
●
●
●
±0.5
±3.5
±4.0
±12
±18
LSB
LSB
LSB
mV
mV
T = 25°C
A
(Note 1)
T = 25°C
A
V
Offset Error
OS
V
V
TC Offset Error Temperature Coefficient
Full-Scale Voltage
±15
4.095
4.095
µV/°C
OS
FS
Using Internal Reference, LTC1450, T = 25°C
Using Internal Reference, LTC1450
External 2.048V Reference, LTC1450
4.065
4.045
4.075
4.125
4.145
4.115
V
V
V
A
●
●
4.095
Using Internal Reference, LTC1450L, T = 25°C
Using Internal Reference, LTC1450L
External 1.22V Reference, LTC1450L
2.470
2.460
2.480
2.500
2.500
2.500
2.530
2.540
2.520
V
V
V
A
●
●
V
TC
Full-Scale Voltage Temperature Coefficient Using Internal Reference, LTC1450
±0.10
±0.02
±0.10
LSB/°C
LSB/°C
LSB/°C
FS
Using External Reference, LTC1450/LTC1450L
Using Internal Reference, LTC1450L
Reference Output Voltage
LTC1450L
LTC1450
●
●
1.195
2.008
1.220
2.048
1.245
2.088
V
V
Reference Output Temperature Coefficient
Reference Line Regulation
±0.08
0.7
LSB/°C
LSB/V
●
±2
Reference Load Regulation
0 ≤ I
≤ 100µA,
LTC1450L
LTC1450
●
●
0.6
0.2
± 3.0
±1.5
LSB
LSB
OUT
Short-Circuit Current
REFOUT Shorted to GND
●
80
mA
2
Linear [ Linear ]
