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LTC1450CG 데이터시트(PDF) 4 Page - Linear Technology

부품명 LTC1450CG
상세설명  Parallel Input, 12-Bit Rail-to-Rail Micropower DACs in SSOP
PDF  16 Pages
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제조업체  LINER [Linear Technology]
홈페이지  http://www.linear.com
Logo LINER - Linear Technology

LTC1450CG 데이터시트(HTML) 4 Page - Linear Technology

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LTC1450/LTC1450L
ELECTRICAL CHARACTERISTICS
VCC = 4.5V to 5.5V (LTC1450), VCC = 2.7V to 3.6V (LTC1450L), TA = TMIN to TMAX, unless otherwise noted.
TYPICAL PERFORMANCE CHARACTERISTICS
LOAD CURRENT (mA)
4.4
4.8
5.0
5.4
5.8
0.01
1
10
100
1450/50L G01
4.0
0.1
5.2
4.6
4.2
5.6
2.8
3.2
3.4
3.8
4.2
2.4
3.6
3.0
2.6
4.0
∆VOUT < 1LSB
LTC1450
LTC1450L
Minimum Supply Voltage
vs Load Current
TEMPERATURE (
°C)
–55
350
360
380
390
400
450
420
–15
25
45
125
1450/50L G02
370
430
440
410
–35
5
65
85 105
VCC = 5.5V
VCC = 4.5V
VCC = 5V
LOGIC INPUT VOLTAGE (V)
0
0.5 1.0 1.5 2.0
3.0
4.0
3.5
4.5
6
8
1450/50L G03
4
2
0
7
5
3
1
2.5
5.0
VCC = 5V
ALL LOGIC INPUTS
TIED TOGETHER
LTC1450
LTC1450L
LTC1450 Supply Current
vs Temperature
Supply Current
vs Logic Input Voltage
The q denotes specifications which apply over the full operating
temperature range.
Note 1: Nonlinearity is defined from the first code that is greater than or
equal to the maximum offset specification to code 4095 (full-scale).
Note 2: Load is 5k
Ω in parallel with 100pF.
Note 3: DAC switched all 1’s and the code corresponding to VOS(MAX) for
the part.
Note 4: Digital inputs at 0V or VCC.
Note 5: Digital inputs swing 10% to 90% of VCC, tr = tf = 5ns and timing
measurements are from VCC/2.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Switching Characteristics (Note 5)
tCS
CS (MSB or LSB) Pulse Width
q
40
ns
tWR
WR Pulse Width
q
40
ns
tCWS
CS to WR Setup
q
0ns
tCWH
CS to WR Hold
q
0ns
tDWS
Data Valid to WR Setup
VCC = 4.5V to 5.5V (LTC1450)
q
40
15
ns
VCC = 2.7V to 3.6V (LTC1450L)
q
40
15
ns
VCC = 5V (LTC1450L)
10
ns
tDWH
Data Valid to WR Hold
VCC = 4.5V to 5.5V (LTC1450)
q
0– 10
ns
VCC = 2.7V to 3.6V (LTC1450L)
q
0– 10
ns
VCC = 5V (LTC1450L)
– 5
ns
tLDAC
LDAC Pulse Width
q
40
ns
tCLR
CLR Pulse Width
q
40
ns



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