LTC1658 Просмотр технического описания (PDF) - Linear Technology
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LTC1658 Datasheet PDF : 12 Pages
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LTC1658
ELECTRICAL CHARACTERISTICS
VCC = 2.7V to 5.5V, VOUT unloaded, REF ≤ VCC, TA = TMIN to TMAX, unless otherwise noted.
SYMBOL PARAMETER
Output Impedance to GND
Output Line Regulation
AC Performance
Voltage Output Slew Rate
Voltage Output Settling Time
Digital Feedthrough
Reference Input
RIN
REF Input Resistance
VREF
REF Input Range
Digital I/O
VIH
Digital Input High Voltage
VIL
Digital Input Low Voltage
VOH
Digital Output High Voltage
VOL
Digital Output Low Voltage
VIH
Digital Input High Voltage
VIL
Digital Input Low Voltage
VOH
Digital Output High Voltage
VOL
Digital Output Low Voltage
ILEAK
Digital Input Leakage
CIN
Digital Input Capacitance
Switching (VCC = 4.5V to 5.5V)
t1
DIN Valid to CLK Setup
t2
DIN Valid to CLK Hold
t3
CLK High Time
t4
CLK Low Time
t5
CS/LD Pulse Width
t6
LSB CLK to CS/LD
t7
CS/LD Low to CLK
t8
DOUT Output Delay
t9
CLK Low to CS/LD Low
Switching (VCC = 2.7V to 5.5V)
t1
DIN Valid to CLK Setup
t2
DIN Valid to CLK Hold
t3
CLK High Time
t4
CLK Low Time
t5
CS/LD Pulse Width
t6
LSB CLK to CS/LD
t7
CS/LD Low to CLK
t8
DOUT Output Delay
t9
CLK Low to CS/LD Low
CONDITIONS
Input Code = 0
Input Code = 16383, VCC = 2.7V to 5.5V, REF = 2.5V
(Note 3) to ±0.5LSB
(Notes 5, 6)
VCC = 5V
VCC = 5V
VCC = 5V, IOUT = – 1mA, DOUT Only
VCC = 5V, IOUT = 1mA, DOUT Only
VCC = 3V
VCC = 3V
VCC = 3V, IOUT = – 1mA, DOUT Only
VCC = 3V, IOUT = 1mA, DOUT Only
VIN = GND to VCC
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
CLOAD = 15pF
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
CLOAD = 15pF
(Note 6)
MIN TYP MAX
q
70
200
q
1.5
q 0.35
1.0
12
0.3
q
30
q
0
60
VCC
q 2.4
q
0.8
q VCC – 0.7
q
0.4
q 2.0
q
0.6
q VCC – 0.7
q
0.4
q
± 10
q
10
q
40
q
0
q
40
q
40
q
50
q
40
q
20
q
5
100
q
20
q
60
q
0
q
60
q
60
q
80
q
60
q
30
q
10
150
q
30
UNITS
Ω
mV/V
V/µs
µs
nV • s
kΩ
V
V
V
V
V
V
V
V
V
µA
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
3
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