LTC6084(RevA) 查看數據表（PDF） - Linear Technology
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LTC6084 Datasheet PDF : 16 Pages
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LTC6084/LTC6085
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. Test conditions are V+ = 5V, V– = 0V, VCM = 0.5V unless otherwise noted.
C SUFFIX
H SUFFIX
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX UNITS
CMRR
Common Mode Rejection 0 ≤ VCM ≤ 5V
Ratio
70
84
70
84
dB
l 68
66
dB
PSRR
Power Supply Rejection VS = 2.5V to 5.5V
94
115
94
115
dB
Ratio
l 91
89
dB
VOUT
Output Voltage, High, No Load
(Referred to V+)
ISOURCE = 1mA
ISOURCE = 5mA
l
0.5
5
l
39
85
l
220
460
0.5
10
mV
39
100
mV
220
mV
Output Voltage, Low,
(Referred to V–)
No Load
ISINK = 1mA
ISINK = 5mA
l
0.5
5
l
36
85
l
200
460
0.5
10
mV
36
100
mV
200
mV
AVOL
Large-Signal Voltage Gain RLOAD = 10k, 0.5V ≤ VOUT ≤ 4.5V
1000 5000
l 400
1000 5000
300
V/mV
V/mV
ISC
Output Short-Circuit
Source and Sink
Current
7.7
12.5
7.7
12.5
mA
l
6
4.5
mA
SR
Slew Rate
AV = 1
GBW
Gain Bandwidth Product RLOAD = 50k, VCM = 2.5V
(fTEST = 10kHz)
Φ0
Phase Margin
RL = 10k, CL = 150pF, AV = 1
tS
Settling Time 0.1%
VSTEP = 1V, AV = 1
IS
Supply Current
(Per Amplifier)
No Load
0.5
0.5
V/μs
0.9
1.5
0.9
1.5
MHz
l 0.7
0.6
45
45
Deg
5
5
μs
110
130
l
140
110
130
μA
145
μA
Shutdown Current
Shutdown, VSHDNx ≤ 1.2V
l
(Per Amplifier)
1.1
1.8
1.1
2
μA
VS
Supply Voltage Range Guaranteed by the PSRR Test
l 2.5
5.5
2.5
5.5
V
Channel Separation
Shutdown Logic
fS = 10kHz
SHDNx High
SHDNx Low
–120
–120
dB
3.5
3.5
V
1.2
1.2
V
tON
Turn On Time
VSHDNx = 1.2V to 3.5V
tOFF
Turn Off Time
VSHDNx = 3.5V to 1.2V
Leakage of SHDN Pin
VSHDNx = 0V
l
7
1
0.5
0.9
7
μs
1
μs
0.5
1.2
μA
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: A heat sink may be required to keep the junction temperature
below the absolute maximum. This depends on the power supply voltage
and the total output current.
Note 3: The LTC6084C/LTC6085C are guaranteed functional over the
operating temperature range of –40°C to 85°C. The LTC6084H/LTC6085H
are guaranteed functional over the operating temperature range of –40°C
to 125°C.
Note 4: The LTC6084C/LTC6085C are guaranteed to meet specified
performance from 0°C to 70°C. The LTC6084C/LTC6085C are designed,
characterized and expected to meet specified performance from –40°C
to 85°C but are not tested or QA sampled at these temperatures. The
LTC6084H/LTC6085H are guaranteed to meet specified performance from
–40°C to 125°C.
Note 5: ESD (Electrostatic Discharge) sensitive device. ESD protection
devices are used extensively internal to the LTC6084/LTC6085; however,
high electrostatic discharge can damage or degrade the device. Use proper
ESD handling precautions.
Note 6: This parameter is not 100% tested.
Note 7: This specification is limited by high speed automated test
capability. See Typical Performance Characteristic curves for actual
performance.
Note 8: Current noise is calculated from in = √2qIB, where q = 1.6 • 10–19
coulombs.
60845fa
5
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