LTC2619I 데이터 시트보기 (PDF) - Linear Technology
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LTC2619I Datasheet PDF : 22 Pages
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LTC2609/LTC2619/LTC2629
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. REFA = REFB = REFC = REFD = 4.096V (VCC = 5V), REFA = REFB =
REFC = REFD = 2.048V (VCC = 2.7V). REFLO = 0V, VOUT = unloaded, unless otherwise noted. (Note 9)
Digital I/O (Note 9)
VIL
Low Level Input Voltage
(SDA and SCL)
l
0.3VCC
V
VIH
High Level Input Voltage
(SDA and SCL)
l 0.7VCC
V
VIL(CAn) Low Level Input Voltage on CAn
(n = 0, 1, 2)
See Test Circuit 1
l
0.15VCC
V
VIH(CAn) High Level Input Voltage on CAn
(n = 0, 1, 2)
See Test Circuit 1
l 0.85VCC
V
RINH
Resistance from CAn (n = 0, 1, 2)
to VCC to Set CAn = VCC
RINL
Resistance from CAn (n = 0, 1, 2)
to GND to Set CAn = GND
See Test Circuit 2
See Test Circuit 2
l
10
kΩ
l
10
kΩ
RINF
Resistance from CAn (n = 0, 1, 2)
See Test Circuit 2
to VCC or GND to Set CAn = Float
VOL
Low Level Output Voltage
Sink Current = 3mA
tOF
Output Fall Time
VO = VIH(MIN) to VO = VIL(MAX),
CB = 10pF to 400pF (Note 7)
tSP
Pulse Width of Spikes Suppressed by
Input Filter
l
2
l
0
l 20 + 0.1CB
l
0
MΩ
0.4
V
250
ns
50
ns
IIN
Input Leakage
0.1VCC ≤ VIN ≤ 0.9VCC
CIN
I/O Pin Capacitance
(Note 12)
CB
Capacitive Load for Each Bus Line
CCAX
External Capacitive Load on Address
Pins CAn (n = 0, 1, 2)
l
1
μA
l
10
pF
l
400
pF
l
10
pF
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. REFA = REFB = REFC = REFD = 4.096V (VCC = 5V), REFA = REFB =
REFC = REFD = 2.048V (VCC = 2.7V). REFLO = 0V, VOUT = unloaded, unless otherwise noted.
SYMBOL PARAMETER
AC Performance
tS
Settling Time (Note 5)
Settling Time for 1LSB Step
(Note 6)
Voltage Output Slew Rate
Capacitive Load Driving
Glitch Impulse
Multiplying Bandwidth
en
Output Voltage Noise Density
Output Voltage Noise
CONDITIONS
±0.024% (±1LSB at 12 Bits)
±0.006% (±1LSB at 14 Bits)
±0.0015% (±1LSB at 16 Bits)
±0.024% (±1LSB at 12 Bits)
±0.006% (±1LSB at 14 Bits)
±0.0015% (±1LSB at 16 Bits)
At Mid-Scale Transition
At f = 1kHz
At f = 10kHz
0.1Hz to 10Hz
LTC2629/LTC2629-1 LTC2619/LTC2619-1 LTC2609/LTC2609-1
MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
7
7
7
μs
9
9
μs
10
μs
2.7
2.7
2.7
μs
4.8
4.8
μs
5.2
μs
0.7
0.7
0.7
V/μs
1000
1000
1000
pF
12
12
12
nV • s
180
180
180
kHz
120
120
120
nV/√Hz
100
100
100
nV/√Hz
15
15
15
μVP-P
4
26091929fa
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