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LTC1454L Datasheet(PDF) 2 Page - Linear Technology

Part # LTC1454L
Description  Dual 12-Bit Rail-to-Rail Micropower DACs
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1454L Datasheet(HTML) 2 Page - Linear Technology

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LTC1454/LTC1454L
ABSOLUTE MAXIMUM RATINGS
PACKAGE/ORDER I FOR ATIO
VCC to GND .............................................. – 0.5V to 7.5V
Logic Inputs to GND ................................ – 0.5V to 7.5V
VOUT A, VOUT B, X1/X2 A ,
X1/X2 B ..................................... – 0.5V to VCC + 0.5V
REFHI A , REFHI B, REFLO ............. – 0.5V to VCC + 0.5V
Maximum Junction Temperature .......................... 125
°C
Operating Temperature Range
LTC1454C/LTC1454LC ............................ 0
°C to 70°C
LTC1454I/LTC1454LI ........................ – 40
°C to 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
LTC1454CN
LTC1454IN
LTC1454CS
LTC1454IS
LTC1454LCN
LTC1454LIN
LTC1454LCS
LTC1454LIS
ORDER PART
NUMBER
TJMAX = 125°C, θJA = 100°C/W (N)
TJMAX = 125°C, θJA = 150°C/W (S)
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS
VCC = 4.5V to 5.5V (LTC1454), 2.7V to 5.5V (LTC1454L), X1/X2 = REFLO = GND, REFHI = REFOUT, VOUT and REFOUT unloaded,
TA = TMIN to TMAX, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DAC
Resolution
q
12
Bits
DNL
Differential Nonlinearity
Guaranteed Monotonic (Note 1)
q
± 0.5
LSB
INL
Integral Nonlinearity
TA = 25°C
±2.0
±4.0
LSB
(Note 1)
q
±2.5
±4.5
LSB
VOS
Offset Error
TA = 25°C
±2.0
±12
mV
q
±4.0
±18
mV
VOSTC
Offset Error Temperature
±15
µV/°C
Coefficient
VFS
Full-Scale Voltage
When Using Internal Reference, LTC1454, TA = 25°C
4.065
4.095
4.125
V
LTC1454
q
4.045
4.095
4.145
V
When Using Internal Reference, LTC1454L, TA = 25°C
2.470
2.500
2.530
V
LTC1454L
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
LTC1454
q
2.008
2.048
2.088
V
LTC1454L
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 ≤ 100µA, LTC1454
q
0.2
1.5
LSB
LTC1454L
q
0.6
3.0
LSB
Reference Input Range
VREFHI ≤ VCC – 1.5V
VCC/2
V
Reference Input Resistance
q
15
24
40
k
Reference Input Capacitance
15
pF
Short-Circuit Current
REFOUT Shorted to GND
q
40
120
mA
TOP VIEW
S PACKAGE
16-LEAD PLASTIC SO
N PACKAGE
16-LEAD PDIP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
X1/X2 B
CLR
CLK
DIN
CS/LD
DOUT
X1/X2 A
VOUT A
VOUT B
VCC
REFHI B
GND
REFLO
REFHI A
REFOUT
VCC


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