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LTKB Datasheet(PDF) 3 Page - Linear Technology

Part # LTKB
Description  Ultralow Power, Dual 10-Bit DAC in MSOP
PDF  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTKB Datasheet(HTML) 3 Page - Linear Technology

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3
LTC1662
The q denotes the specifications which apply over the full operating
ELECTRICAL C
C
HARA TERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
The q denotes the specifications which apply over the full operating
temperature range (TA = TMIN to TMAX), otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VREF ≤ VCC, VOUT Unloaded
unless otherwise noted.
Power Supply
VCC
Positive Supply Voltage
For Specified Performance
q
2.7
5.5
V
ICC
Supply Current
VCC = 3V (Note 3)
3.0
4.0
µA
VCC = 5V (Note 3)
3.5
4.5
µA
VCC = 3V (Note 3)
q
5.0
µA
VCC = 5V (Note 3)
q
5.5
µA
Sleep Mode Operating Current Supply Plus Reference Current, VCC = VREF = 5V (Note 3)
0.05
0.10
µA
q
0.18
µA
DC Performance
Short-Circuit Current Low
VOUT = 0V, VCC = VREF = 5V, Code = 1023 (Note 7)
q
512
70
mA
Short-Circuit Current High
VOUT = VCC = VREF = 5V, Code = 0 (Note 7)
q
310
80
mA
AC Performance
Voltage Output Slew Rate
Rising (Notes 4, 5)
20
V/ms
Falling (Notes 4, 5)
7
V/ms
Voltage Output Settling Time
Rising 0.1VFS to 0.9VFS ±0.5LSB (Notes 4, 5)
0.40
ms
Falling 0.9VFS to 0.1VFS ±0.5LSB (Notes 4, 5)
0.75
ms
Capacitive Load Driving
1000
pF
Digital I/O
VIH
Digital Input High Voltage
VCC = 2.7V to 5.5V
q
2.4
V
VCC = 2.7V to 3.6V
q
2.0
V
VIL
Digital Input Low Voltage
VCC = 4.5V to 5.5V
q
0.8
V
VCC = 2.7V to 5.5V
q
0.6
V
ILK
Digital Input Leakage
VIN = GND to VCC
q
±0.05
±1.0
µA
CIN
Digital Input Capacitance
1.5
pF
TI I G CHARACTERISTICS The q denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC = 4.5V to 5.5V
t1
SDI Setup
Relative to SCK Positive Edge
q
55
15
ns
t2
SDI Hold
Relative to SCK Positive Edge
q
0– 10
ns
t3
SCK High Time
(Note 6)
q
30
14
ns
t4
SCK Low Time
(Note 6)
q
30
14
ns
t5
CS/LD Pulse Width
(Note 6)
q
100
27
ns
t6
LSB SCK High to CS/LD High
(Note 6)
q
30
2
ns
t7
CS/LD Low to SCK High
(Note 6)
q
20
– 21
ns
t9
SCK Low to CS/LD Low
(Note 6)
q
0– 5
ns
t11
CS/LD High to SCK Positive Edge
(Note 6)
q
20
0
ns
SCK Frequency
Square Wave (Note 6)
q
16.7
MHz
VCC = 2.7V to 5.5V
t1
SDI Setup
Relative to SCK Positive Edge (Note 6)
q
75
20
ns
t2
SDI Hold
Relative to SCK Positive Edge (Note 6)
q
0– 10
ns
t3
SCK High Time
(Note 6)
q
50
15
ns
t4
SCK Low Time
(Note 6)
q
50
15
ns



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