LTC1664_1 データシートの表示（PDF） - Linear Technology
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LTC1664_1 Datasheet PDF : 16 Pages
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LTC1664
ELECTRICAL CHARACTERISTICS
The q denotes specifications which apply over the full operating temperature range, otherwise specifications
are at TA = 25°C. VCC = 2.7V to 5.5V, VREF ≤ VCC, VOUT unloaded, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
DC Performance
Short-Circuit Current Low
Short-Circuit Current High
AC Performance
VOUT = 0V, VCC = 5.5V, VREF = 5.1V,
Code = 1023 (Note 9)
VOUT = VCC = 5.5V, VREF = 5.1V, Code = 0 (Note 9)
q 10
q 10
30
100
mA
27
120
mA
Voltage Output Slew Rate
Voltage Output Settling Time
Capacitive Load Driving
Rising (Notes 4, 5)
Falling (Notes 4, 5)
Rising 0.1VFS to 0.9VFS ±0.5LSB (Notes 4, 5)
Falling 0.9VFS to 0.1VFS ± 0.5LSB (Notes 4, 5)
0.60
V/µs
0.25
V/µs
6
µs
19
µs
1000
pF
Digital I/O
VIH
Digital Input High Voltage
VCC = 2.7V to 5.5V
VCC = 2.7V to 3.6V
q 2.4
V
q 2.0
V
VIL
Digital Input Low Voltage
VCC = 4.5V to 5.5V
VCC = 2.7V to 5.5V
q
0.8
V
q
0.6
V
VOH
Digital Output High Voltage IOUT = – 1mA, DOUT Only
q VCC – 1
V
VOL
Digital Output Low Voltage
IOUT = 1mA, DOUT Only
q
0.4
V
ILK
Digital Input Leakage
VIN = GND to VCC
q
0.05
± 10
µA
CIN
Digital Input Capacitance
2
pF
WU
TI I G CHARACTERISTICS The q denotes specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (See Figure 1)
SYMBOL PARAMETER
VCC = 4.5V to 5.5V
t1
DIN Valid to SCK Setup
t2
DIN Valid to SCK Hold
t3
SCK High Time
t4
SCK Low Time
t5
CS/LD Pulse Width
t6
LSB SCK High to CS/LD High
t7
CS/LD Low to SCK High
t8
DOUT Propagation Delay
t9
SCK Low to CS/LD Low
t10
CLR Pulse Width
t11
CS/LD High to SCK Positive Edge
SCK Frequency
VCC = 2.7V to 5.5V
t1
DIN Valid to SCK Setup
t2
DIN Valid to SCK Hold
t3
SCK High Time
t4
SCK Low Time
CONDITIONS
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
CLOAD = 15pF (Note 6)
(Note 6)
(Note 6)
(Note 6)
(Notes 6 and 8)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
MIN
q 40
q0
q 30
q 30
q 80
q 30
q 80
q5
q 20
q 100
q 30
q
q 60
q0
q 50
q 50
TYP
MAX UNITS
15
ns
–11
ns
5
ns
7
ns
30
ns
4
ns
26
ns
26
80
ns
0
ns
37
ns
0
ns
16.7
MHz
20
ns
–14
ns
8
ns
12
ns
3
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