LT1812 Просмотр технического описания (PDF) - Linear Technology
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LT1812 Datasheet PDF : 16 Pages
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LT1812
ELECTRICAL CHARACTERISTICS TA = 25°C, VS = ±5V, VCM = 0V unless otherwise noted (Note 10).
SYMBOL PARAMETER
CIN
Input Capacitance
VCM
Input Voltage Range (Positive)
Input Voltage Range (Negative)
CMRR Common Mode Rejection Ratio
AVOL
Large-Signal Voltage Gain
VOUT
Maximum Output Swing (Positive)
Maximum Output Swing (Negative)
IOUT
ISC
SR
FPBW
GBW
tr, tf
OS
tPD
ts
THD
ROUT
ISHDN
Maximum Output Current
Output Short-Circuit Current
Slew Rate
Full Power Bandwidth
Gain Bandwidth Product
Rise Time, Fall Time
Overshoot
Propagation Delay
Settling Time
Total Harmonic Distortion
Differential Gain
Differential Phase
Output Resistance
SHDN Pin Current
IS
Supply Current
CONDITIONS
MIN TYP MAX
2
3.5
4
1
1.5
VCM = 1.5V to 3.5V
73
82
VOUT = 1.5V to 3.5V, RL = 500Ω
VOUT = 1.5V to 3.5V, RL = 100Ω
1.0
2.0
0.7
1.5
RL = 500Ω, 30mV Overdrive
RL = 100Ω, 30mV Overdrive
RL = 500Ω, 30mV Overdrive
RL = 100Ω, 30mV Overdrive
VOUT = 3.5V or 1.5V, 30mV Overdrive
3.9
4.1
3.7
3.9
0.9
1.1
1.1
1.3
± 25 ±40
VOUT = 2.5V, 1V Overdrive (Note 3)
AV = –1 (Note 5)
1V Peak (Note 6)
±55
±80
200
350
55
f = 200kHz
65
94
AV = 1, 10% to 90%, 0.1V, RL = 100Ω
2.1
AV = 1, 0.1V, RL = 100Ω
25
AV = 1, 50% VIN to 50% VOUT, 0.1V, RL = 100Ω
3
2V Step, 0.1%, AV = –1
30
f = 1MHz, VOUT = 2VP-P, AV = 2, RL = 500Ω
– 75
VOUT = 2VP-P, AV = 2, RL = 150Ω
0.22
VOUT = 2VP-P, AV = 2, RL = 150Ω
0.21
AV = 1, f = 1MHz
0.45
SHDN > V – + 2.0V (On) (Note 11)
SHDN < V– + 0.4V (Off) (Note 11)
0
±1
–50
–20
SHDN > V– + 2.0V (On) (Note 11)
SHDN < V– + 0.4V (Off) (Note 11)
2.7
3.6
20
50
0°C ≤ TA ≤ 70°C, VS = ± 5V, VCM = 0V unless otherwise noted (Note 10).
SYMBOL PARAMETER
CONDITIONS
VOS
ΔVOS/ΔT
IOS
IB
VCM
Input Offset Voltage
Input Offset Voltage Drift
Input Offset Current
Input Bias Current
Input Voltage Range (Positive)
Input Voltage Range (Negative)
(Note 4)
(Note 7)
CMRR
Common Mode Rejection Ratio
Minimum Supply Voltage
VCM = ±3.5V
PSRR
AVOL
VOUT
IOUT
Power Supply Rejection Ratio
Large-Signal Voltage Gain
Maximum Output Swing
Maximum Output Current
VS = ±2V to ±5.5V
VOUT = ±3V, RL = 500Ω
VOUT = ±3V, RL = 100Ω
RL = 500Ω, 30mV Overdrive
RL = 100Ω, 30mV Overdrive
VOUT = ±3V, 30mV Overdrive
MIN TYP MAX
2
10
15
500
±5
3.5
–3.5
73
±2
76
1.0
0.7
±3.70
±3.25
±35
UNITS
pF
V
V
dB
V/mV
V/mV
V
V
V
V
mA
mA
V/μs
MHz
MHz
ns
%
ns
ns
dB
%
DEG
Ω
μA
μA
mA
μA
UNITS
mV
μV/°C
nA
μA
V
V
dB
V
dB
V/mV
V/mV
V
V
mA
1812fb
4
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