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LTC1453 数据表(PDF) 3 Page - Linear Technology

部件名 LTC1453
功能描述  12-Bit Rail-to-Rail Micropower DACs in SO-8
PDF  12 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1453 数据表(HTML) 3 Page - Linear Technology

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LTC1451
LTC1452/LTC1453
sn145123 145123fas
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 4.5V to 5.5V (LTC1451), 2.7V to 5.5V (LTC1452/LTC1453),
internal or external reference (VREF ≤ VCC/2), VOUT and REF unloaded, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference (LTC1451/LTC1453)
Reference Output Voltage
LTC1451
q
2.008
2.048
2.088
V
LTC1453
q
1.195
1.220
1.245
V
Reference Output
±0.08
LSB/
°C
Temperature Coefficient
Reference Line Regulation
q
0.7
±2LSB/V
Reference Load Regulation
0
≤ IOUT ≤ 100µA, LTC1451
q
0.2
±1.5
LSB
LTC1453
q
0.6
±3
LSB
Reference Input Range
VREF ≤ VCC – 1.5V
q
VCC/2
V
Reference Input Resistance
q
814
30
k
Ω
Reference Input Capacitance
15
pF
Short-Circuit Current
REF Shorted to GND
q
80
mA
Power Supply
VCC
Positive Supply Voltage
For Specified Performance, LTC1451
q
4.5
5.5
V
LTC1452
q
2.7
5.5
V
LTC1453
q
2.7
5.5
V
ICC
Supply Current
4.5V
≤ VCC ≤ 5.5V (Note 4), LTC1451
q
400
620
µA
2.7V
≤ VCC ≤ 5.5V (Note 4), LTC1452
q
225
350
µA
2.7V
≤ VCC ≤ 5.5V (Note 4), LTC1453
q
250
500
µA
Op Amp DC Performance
Short-Circuit Current Low
VOUT Shorted to GND
q
100
mA
Short-Circuit Current High
VOUT Shorted to VCC
q
120
mA
Output Impedance to GND
Input Code = 0
q
40
120
Ω
AC Performance
Voltage Output Slew Rate
(Note 3)
q
0.4
1.0
V/
µs
Voltage Output Settling Time
(Notes 3, 4) to
±0.5LSB
14
µs
Digital Feedthrough
0.3
nV • s
AC Feedthrough
REF = 1kHz, 2VP-P, LTC1452
– 95
dB
SINAD
Signal-to-Noise + Distortion
REF = 1kHz, 2VP-P, (Code: All 1s) LTC1452
85
dB
ELECTRICAL CHARACTERISTICS



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