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LTC1448CS8 数据表(PDF) 2 Page - Linear Technology

部件名 LTC1448CS8
功能描述  Dual 12-Bit Rail-to-Rail Micropower DAC
PDF  12 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1448CS8 数据表(HTML) 2 Page - Linear Technology

  LTC1448CS8 Datasheet HTML 1Page - Linear Technology LTC1448CS8 Datasheet HTML 2Page - Linear Technology LTC1448CS8 Datasheet HTML 3Page - Linear Technology LTC1448CS8 Datasheet HTML 4Page - Linear Technology LTC1448CS8 Datasheet HTML 5Page - Linear Technology LTC1448CS8 Datasheet HTML 6Page - Linear Technology LTC1448CS8 Datasheet HTML 7Page - Linear Technology LTC1448CS8 Datasheet HTML 8Page - Linear Technology LTC1448CS8 Datasheet HTML 9Page - Linear Technology Next Button
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LTC1448
ABSOLUTE MAXIMUM RATINGS
VCC to GND .............................................. –0.5V to 7.5V
Logic Inputs to GND ................................ – 0.5V to 7.5V
VOUT A, VOUT B, REF to GND ........... – 0.5V to VCC + 0.5V
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range
LTC1448C ............................................ 0°C to 70°C
LTC1448I......................................... – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER I FOR ATIO
ORDER PART
NUMBER
LTC1448CN8
LTC1448IN8
LTC1448CS8
LTC1448IS8
S8 PART MARKING
1448
1448I
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS
VCC = 2.7V to 5.5V, VOUT A and VOUT B unloaded, REF ≤ VCC, TA = TMIN to TMAX, unless otherwise noted.
1
2
3
4
8
7
6
5
TOP VIEW
CLK
DIN
CS/LD
REF
VOUT B
VCC
GND
VOUT A
S8 PACKAGE
8-LEAD PLASTIC SO
N8 PACKAGE
8-LEAD PDIP
TJMAX = 125°C, θJA = 100°C/W (N8)
TJMAX = 125°C, θJA = 150°C/W (S8)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DAC
Resolution
q
12
Bits
Monotonicity
q
12
Bits
DNL
Differential Nonlinearity
VREF ≤ VCC – 0.1V (Note 1)
q
± 0.2
± 0.5
LSB
INL
Integral Nonlinearity
VREF ≤ VCC – 0.1V (Note 1), TA = 25°C
± 5.0
LSB
VREF ≤ VCC – 0.1V (Note 1)
q
± 5.5
LSB
VOS
Offset Error
Measured at Code 20, TA = 25°C
± 10
mV
Measured at Code 20
q
±15
mV
VOSTC
Offset Error Temperature
±15
µV/°C
Coefficient
VFS
Full-Scale Voltage
VREF = 4.096V, TA = 25°C
4.070
4.095
4.120
V
VREF = 4.096V
q
4.060
4.095
4.130
V
VFSTC
Full-Scale Voltage
10
ppm/°C
Temperature Coefficient
Power Supply
VCC
Positive Supply Voltage
For Specified Performance
q
2.7
5.5
V
ICC
Supply Current
(Note 4)
q
450
700
µA
Op Amp DC Performance
Short-Circuit Current Low
VOUT Shorted to GND
q
55
120
mA
Short-Circuit Current High
VOUT Shorted to VCC
q
65
120
mA
Output Impedance to GND
Input Code = 0
q
30
120
Ω
Output Line Regulation
Input Code = 4095. VCC = 4.5V to 5.5V, VREF = 4.096V
q
0.2
1.5
LSB/V



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