LTC2611IDD Просмотр технического описания (PDF) - Linear Technology
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LTC2611IDD Datasheet PDF : 16 Pages
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LTC2601/LTC2611/LTC2621
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. REF = 4.096V (VCC = 5V), REF = 2.048V (VCC = 2.5V), VOUT unloaded,
unless otherwise noted. (Note 8)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIL
Digital Input Low Voltage
VOH
Digital Output High Voltage
VOL
Digital Output Low Voltage
ILK
Digital Input Leakage
CIN
Digital Input Capacitance
VCC = 4.5V to 5.5V
VCC = 2.5V to 5.5V
Load Current = –100μA
Load Current = +100μA
VIN = GND to VCC
(Note 4)
l
l
l VCC – 0.4
l
l
l
0.8
V
0.6
V
V
0.4
V
±1
μA
8
pF
The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
REF = 4.096V (VCC = 5V), REF = 2.048V (VCC = 2.5V), VOUT unloaded, unless otherwise noted.
LTC2621/ LTC2621-1 LTC2611/ LTC2611-1 LTC2601/ LTC2601-1
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
AC Performance
tS
Settling Time (Note 6)
±0.024% (±1LSB at 12 Bits)
7
±0.006% (±1LSB at 14 Bits)
±0.0015% (±1LSB at 16 Bits)
7
7
μs
9
9
μs
10
μs
Settling Time for 1LSB Step ±0.024% (±1LSB at 12 Bits)
2.7
2.7
2.7
μs
(Note 7)
±0.006% (±1LSB at 14 Bits)
4.8
4.8
μs
±0.0015% (±1LSB at 16 Bits)
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
Density
At f = 1kHz
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 l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (See Figure 1) (Notes 4, 8)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
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
t10
CS/LD High to SCK Positive Edge
t12
LDAC Pulse Width
t13
CS/LD High to LDAC High or Low Transition
SCK Frequency
CLOAD = 10pF
VCC = 4.5V to 5.5V
VCC = 2.5V to 5.5V
50% Duty Cycle
l
4
l
4
l
9
l
9
l
10
l
7
l
7
l
l
l
20
l
7
l
15
l 200
l
ns
ns
ns
ns
ns
ns
ns
20
ns
45
ns
ns
ns
ns
ns
50
MHz
2601fb
4
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