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LTC1426CS8 数据表(PDF) 2 Page - Linear Technology

部件名 LTC1426CS8
功能描述  Micropower Dual 6-Bit PWM DAC
PDF  8 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1426CS8 数据表(HTML) 2 Page - Linear Technology

  LTC1426CS8 Datasheet HTML 1Page - Linear Technology LTC1426CS8 Datasheet HTML 2Page - Linear Technology LTC1426CS8 Datasheet HTML 3Page - Linear Technology LTC1426CS8 Datasheet HTML 4Page - Linear Technology LTC1426CS8 Datasheet HTML 5Page - Linear Technology LTC1426CS8 Datasheet HTML 6Page - Linear Technology LTC1426CS8 Datasheet HTML 7Page - Linear Technology LTC1426CS8 Datasheet HTML 8Page - Linear Technology  
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LTC1426
ABSOLUTE MAXIMUM RATINGS
PACKAGE/ORDER INFORMATION
(Note 1)
Total Supply Voltage (VCC) ........................................ 7V
Reference Voltage (VREF) ............................... –0.3 to 7V
Input Voltage (All Inputs) .............. – 0.3 to (VCC + 0.3V)
DAC Output Short-Circuit Duration .................. Indefinite
IPWM(MAX) .......................................................... 100mA
Operating Temperature Range
LTC1426C................................................ 0
°C to 70°C
LTC1426I ........................................... – 40
°C to 85°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
ORDER PART
NUMBER
MS8 PART MARKING
LTC1426CMS8
LTC1426CS8
LTC1426IS8
S8 PART MARKING
1426
1426I
LTBQ
1
2
3
4
8
7
6
5
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
MS8 PACKAGE
8-LEAD PLASTIC MSOP
CLK1
CLK2
GND
PWM1
SHDN
VCC
VREF
PWM2
TJMAX = 100°C, θJA = 200°C/ W (MS8)
TJMAX = 100°C, θJA = 130°C/ W (S8)
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS T
A = 25°C, (Note 2) unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Supply Voltage
q
2.7
5.5
V
VREF
Reference Voltage
q
0
5.5
V
ICC
Supply Current
Pulse Mode: VSHDN = VCC, VCLK1 = VCLK2 = 0V, PWM1 = PWM2 = NC
q
40
100
µA
Pushbutton Mode: VSHDN = VCC, VCLK1 = VCLK2 = PWM1 = PWM2 = NC q
50
100
µA
SHDN = 0 (Note 3)
q
0.2
±10
µA
IREF
Reference Current
Pulse Mode: VSHDN = VCC, VCLK1 = VCLK2 = 0V, PWM1 = PWM2 = NC
q
75
150
µA
Pushbutton Mode: VSHDN = VCC, VCLK1 = VCLK2 = PWM1 = PWM2 = NC q
75
150
µA
SHDN = 0 (Note 3)
q
0.2
±10
µA
DAC Resolution
6
bits
DAC Frequency
0
°C ≤ TA ≤ 70°C
q
356
kHz
–40
°C ≤ TA ≤ 85°C
q
256
kHz
DAC Output Impedance
VCC = 2.7V, VREF = 0.5V
q
20
100
Ω
DAC Full-Scale Duty Cycle
98.44
%
DAC Zero-Scale Duty Cycle
0%
DNL
DAC Differential Nonlinearity
Monotonicity Guaranteed (Note 4)
q
±0.05
LSB
INL
DAC Integral Nonlinearity
(Note 4)
q
±0.05
LSB
FS Error
DAC Full-Scale Error
q
±0.50
LSB
IIN
Logic Input Current
Pulse Mode: 0V
≤ VIN ≤ VCC
SHDN
q
±5
µA
CLK1, CLK2
q
±5
µA
Pushbutton Mode: 0V
≤ VIN ≤ VCC
SHDN
q
±5
µA
CLK1, CLK2
q
±10
µA
VIH
CLK High Level
VCC = 5.5V
SHDN
q
2.0
V
Input Voltage (Note 5)
CLK1, CLK2
q
4.4
V
VCC = 3.6V
SHDN
q
1.9
V
CLK1, CLK2
q
2.9
V



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