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LTC1660 Scheda tecnica(PDF) 5 Page - Linear Technology

Il numero della parte LTC1660
Spiegazioni elettronici  Micropower Octal 8-Bit and 10-Bit DACs
PDF  18 Pages
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Produttore elettronici  LINER [Linear Technology]
Homepage  http://www.linear.com
Logo LINER - Linear Technology

LTC1660 Scheda tecnica(HTML) 5 Page - Linear Technology

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LTC1665/LTC1660
5
166560fa
TYPICAL PERFORMANCE CHARACTERISTICS
Minimum VOUT
vs Load Current (Output Sinking)
Large-Signal Step Response
Supply Current vs Temperature
Supply Current
vs Logic Input Voltage
Midscale Output Voltage
vs Load Current
Midscale Output Voltage
vs Load Current
Minimum Supply Headroom
vs Load Current (Output Sourcing)
(LTC1665/LTC1660)
IOUT (mA)
–30
–20
–10
0
10
20
30
166560 G01
3
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2
VCC = 4.5V
VCC = 5V
VCC = 5.5V
VREF = VCC
CODE = 128 (LTC1665)
CODE = 512 (LTC1660)
SINK
SOURCE
IOUT (mA)
–15
– 4
–8
–12
0
4
8
12 15
166560 G02
2
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1
VCC = 2.7V
VCC = 3V
VCC = 3.6V
VREF = VCC
CODE = 128 (LTC1665)
CODE = 512 (LTC1660)
SINK
SOURCE
02468
10
166560 G03
1400
1200
1000
800
600
400
200
0
–55°C
25°C
125°C
VREF = 4.096V
ΔVOUT < 1LSB
CODE = 255 (LTC1665)
CODE = 1023 (LTC1660)
|I
OUT
| (mA) (SOURCING)
|I
OUT
| (mA) (SINKING)
02468
10
166560 G04
1400
1200
1000
800
600
400
200
0
–55°C
25°C
125°C
VCC = 5V
CODE = 0
TIME (μs)
0
20406080
100
166560 G05
5
4
3
2
1
0
10% TO
90% STEP
VCC = VREF = 5V
TEMPERATURE (°C)
–55 –35 –15
5
25
45
65
85 105 125
166560 G06
500
480
460
440
420
400
380
360
340
320
300
VCC = 5.5V
VCC = 4.5V
VCC = 3.6V
VCC = 2.7V
LOGIC INPUT VOLTAGE (V)
012345
166560 G07
2
1.6
1.2
0.8
0.4
0
ALL DIGITAL INPUTS
SHORTED TOGETHER



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