LTC1450L Просмотр технического описания (PDF) - Linear Technology
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LTC1450L Datasheet PDF : 16 Pages
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LTC1450/LTC1450L
ABSOLUTE MAXIMUM RATINGS
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
PACKAGE/ORDER INFORMATION
TOP VIEW
WR 1
CSLSB 2
CSMSB 3
(LSB) D0 4
D1 5
D2 6
D3 7
D4 8
D5 9
D6 10
D7 11
D8 12
24 LDAC
23 CLR
22 X1/X2
21 VOUT
20 VCC
19 REFOUT
18 REFHI
17 REFLO
16 GND
15 D11(MSB)
14 D10
13 D9
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.
ORDER PART
NUMBER
LTC1450CG
LTC1450CN
LTC1450IG
LTC1450IN
LTC1450LCG
LTC1450LCN
LTC1450LIG
LTC1450LIN
ELECTRICAL CHARACTERISTICS VCC = 4.5V to 5.5V (LTC1450), 2.7V to 5.5V (LTC1450L), VOUT unloaded,
REFOUT = REFHI, REFLO = GND = X1/X2, TA = TMIN to TMAX, unless otherwise noted.
SYMBOL PARAMETER
DAC
Resolution
DNL Differential Nonlinearity
INL
Integral Nonlinearity
VOS
Offset Error
CONDITIONS
Guaranteed Monotonic (Note 1)
TA = 25°C
(Note 1)
TA = 25°C
VOS TC Offset Error Temperature Coefficient
VFS
Full-Scale Voltage
VFS TC Full-Scale Voltage Temperature Coefficient
Reference Output (REFOUT)
Reference Output Voltage
Reference Output Temperature Coefficient
Reference Line Regulation
Reference Load Regulation
Short-Circuit Current
Using Internal Reference, LTC1450, TA = 25°C
Using Internal Reference, LTC1450
External 2.048V Reference, LTC1450
Using Internal Reference, LTC1450L, TA = 25°C
Using Internal Reference, LTC1450L
External 1.22V Reference, LTC1450L
Using Internal Reference, LTC1450
Using External Reference, LTC1450/LTC1450L
Using Internal Reference, LTC1450L
LTC1450L
LTC1450
0 ≤ IOUT ≤ 100µA, LTC1450L
LTC1450
REFOUT Shorted to GND
MIN TYP MAX UNITS
q 12
Bits
q
±0.5
LSB
±3.5
LSB
q
±4.0
LSB
±12
mV
q
±18
mV
± 15
µV/°C
4.065 4.095 4.125
V
q 4.045 4.095 4.145
V
q 4.075 4.095 4.115
V
2.470 2.500 2.530
V
q 2.460 2.500 2.540
V
q 2.480 2.500 2.520
V
±0.10
±0.02
±0.10
LSB /°C
LSB /°C
LSB /°C
q 1.195 1.220 1.245
V
q 2.008 2.048 2.088
V
±0.08
LSB /°C
q
0.7 ±2 LSB/V
q
0.6 ± 3.0
LSB
q
0.2 ±1.5
LSB
q
80
mA
2
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