LTC2614 查看數據表（PDF） - Linear Technology
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LTC2614 Datasheet PDF : 16 Pages
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LTC2604/LTC2614/LTC2624
ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. REF A = REF B = REF C = REF D = 4.096V (VCC = 5V), REF A = REF B =
REF C = REF D = 2.048V (VCC = 2.5V), REF LO = 0V, VOUT unloaded, unless otherwise noted. (Note 10)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
VIL
Digital Input Low Voltage
VCC = 4.5V to 5.5V
VCC = 2.5V to 5.5V
l
0.8
V
l
0.6
V
VOH
Digital Output High Voltage
Load Current = –100μA
l VCC – 0.4
V
VOL
Digital Output Low Voltage
Load Current = +100μA
l
0.4
V
ILK
Digital Input Leakage
VIN = GND to VCC
l
±1
μA
CIN
Digital Input Capacitance
(Note 6)
l
8
pF
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. REF
A = REF B = REF C = REF D = 4.096V (VCC = 5V), REF A = REF B = REF C = REF D = 2.048V (VCC = 2.5V), REF LO = 0V, VOUT unloaded,
unless otherwise noted. (Note 10)
LTC2624/LTC2624-1 LTC2614/LTC2614-1 LTC2604/LTC2604-1
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
AC Performance
ts
Settling Time (Note 8) ±0.024% (±1LSB at 12 Bits)
7
7
7
μs
±0.006% (±1LSB at 14 Bits)
9
9
μs
±0.0015% (±1LSB at 16 Bits)
10
μs
Settling Time for
±0.024% (±1LSB at 12 Bits)
2.7
2.7
1LSB Step (Note 9)
±0.006% (±1LSB at 14 Bits)
4.8
±0.0015% (±1LSB at 16 Bits)
2.7
μs
4.8
μs
5.2
μs
Voltage Output Slew Rate
0.80
0.80
0.80
V/μs
Capacitive Load Driving
1000
1000
1000
pF
Glitch Impulse
At Midscale Transition
12
12
12
nV • s
Multiplying Bandwidth
en
Output Voltage Noise At f = 1kHz
Density
At f = 10kHz
180
180
180
kHz
120
120
120
nV√Hz
100
100
100
nV√Hz
Output Voltage Noise 0.1Hz to 10Hz
15
15
15
μVP–P
TIMING CHARACTERISTICS The ● denotes specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. REF A = REF B = REF C = REF D = 4.096V (VCC = 5V), REF A = REF B = REF C = REF D
= 2.048V (VCC = 2.5V), REF LO = 0V, VOUT unloaded, unless otherwise noted. (Note 10)
SYMBOL PARAMETER
VCC = 2.5V to 5.5V
t1
SDI Valid to SCK Setup
t2
SDI 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
SDO Propagation Delay from SCK Falling Edge
t9
CLR Pulse Width
CONDITIONS
CLOAD = 10pF
VCC = 4.5V to 5.5V
VCC = 2.5V to 5.5V
MIN TYP MAX UNITS
l
4
l
4
l
9
l
9
l 10
l
7
l
7
l
l
l 20
ns
ns
ns
ns
ns
ns
ns
20
ns
45
ns
ns
2604fd
4
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