LT1228(Rev_A) 查看數據表（PDF） - Linear Technology
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LT1228 Datasheet PDF : 20 Pages
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LT1228
ELECTRICAL CHARACTERISTICS
Current Feedback Amplifier, Pins 1, 6, 8. ±5V ≤ VS ≤ ±15V, ISET = 0µA, VCM = 0V unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
AV
Large-Signal Voltage Gain
ROL
Transresistance, ∆VOUT/∆IIN–
VOUT
Maximum Output Voltage Swing
VS = ±15V, VOUT = ±10V, RLOAD = 1k
VS = ±5V, VOUT = ±2V, RLOAD = 150Ω
VS = ±15V, VOUT = ±10V, RLOAD = 1k
VS = ±5V, VOUT = ±2V, RLOAD = 150Ω
VS = ±15V, RLOAD = 400Ω, TA = 25°C
VS = ±5V, RLOAD = 150Ω, TA = 25°C
q 55
q 55
q 100
q 100
±12
q ±10
±3
q ±2.5
IOUT
Maximum Output Current
RLOAD = 0Ω, TA = 25°C
30
q 25
Is
Supply Current
SR
Slew Rate (Notes 3 and 5)
SR
Slew Rate
tr
Rise Time (Notes 4 and 5)
BW
Small-Signal Bandwidth
tr
Small-Signal Rise Time
Propagation Delay
Small-Signal Overshoot
ts
Settling Time
Differential Gain (Note 6)
Differential Phase (Note 6)
Differential Gain (Note 6)
Differential Phase (Note 6)
VOUT = 0V, ISET = 0V
TA = 25°C
VS = ±15V, RF = 750Ω, RG= 750Ω, RL = 400Ω
TA = 25°C
VS = ±15V, RF = 750Ω, RG= 750Ω, RL = 100Ω
VS = ±15V, RF = 750Ω, RG= 750Ω, RL = 100Ω
VS = ±15V, RF = 750Ω, RG= 750Ω, RL = 100Ω
VS = ±15V, RF = 750Ω, RG= 750Ω, RL = 100Ω
0.1%, VOUT = 10V, RF =1k, RG= 1k, RL =1k
VS = ±15V, RF = 750Ω, RG= 750Ω, RL = 1k
VS = ±15V, RF = 750Ω, RG= 750Ω, RL = 1k
VS = ±15V, RF = 750Ω, RG= 750Ω, RL = 150Ω
VS = ±15V, RF = 750Ω, RG= 750Ω, RL = 150Ω
q
300
TYP MAX
65
65
200
200
±13.5
±3.7
65 125
125
6 11
500
3500
10 20
100
3.5
3.5
15
45
0.01
0.01
0.04
0.1
UNITS
dB
dB
kΩ
kΩ
V
V
V
V
mA
mA
mA
V/µs
V/µs
ns
MHz
ns
ns
%
ns
%
DEG
%
DEG
ELECTRICAL CHARACTERISTICS
Transconductance Amplifier, Pins 1, 2, 3, 5. ±5V ≤ VS ≤ ±15V, ISET = 100µA, VCM = 0V unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
VOS
Input Offset Voltage
Input Offset Voltage Drift
IOS
Input Offset Current
ISET = 1mA, TA = 25°C
TA = 25°C
±0.5 ±5
mV
q
±10
mV
q
10
µV/°C
40 200
nA
q
500
nA
IB
Input Bias Current
TA = 25°C
en
Input Noise Voltage Density
f = 1kHz
RIN
Input Resistance-Differential Mode
VIN ≈ ±30mV
Input Resistance-Common Mode
VS = ±15V, VCM = ±12V
VS = ±5V, VCM = ±2V
CIN
Input Capacitance
Input Voltage Range
VS = ±15V, TA = 25°C
VS = ±15V
VS = ±5V, TA = 25°C
VS = ±5V
0.4
1
µA
q
5
µA
20
nV/√Hz
q 30 200
kΩ
q 50 1000
MΩ
q 50 1000
MΩ
3
pF
±13 ±14
V
q ±12
V
±3 ±4
V
q ±2
V
3
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