LT1028_01 Datasheet, PDF (3/20 Pages) Linear Technology – Ultralow Noise Precision High Speed Op Amps

LT1028/LT1128
ELECTRICAL CHARACTERISTICS V_S = ±15V, T_A = 25°C, unless otherwise noted.
SYMBOL PARAMETER
V_OS
∆V_OS
∆Time
Input Offset Voltage
Long Term Input Offset
Voltage Stability
I_OS
Input Offset Current
I_B
Input Bias Current
e_n
Input Noise Voltage
CONDITIONS
(Note 2)
(Note 3)
V_CM = 0V
V_CM = 0V
0.1Hz to 10Hz (Note 4)
LT1028AM/AC
LT1128AM/AC
MIN TYP MAX
10 40
0.3
12 50
±25 ±90
35 75
LT1028M/C
LT1128M/C
MIN TYP MAX
20 80
0.3
18 100
±30 ±180
35 90
UNITS
µV
µV/Mo
nA
nA
nV_P-P
Input Noise Voltage Density
I_n
Input Noise Current Density
CMRR
PSRR
A_VOL
Input Resistance
Common Mode
Differential Mode
Input Capacitance
Input Voltage Range
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Large-Signal Voltage Gain
V_OUT Maximum Output Voltage Swing
SR
Slew Rate
GBW Gain-Bandwidth Product
Z_O
Open-Loop Output Impedance
I_S
Supply Current
f_O = 10Hz (Note 5)
f_O = 1000Hz, 100% tested
f_O = 10Hz (Note 4 and 6)
f_O = 1000Hz, 100% tested
V_CM = ±11V
V_S = ±4V to ±18V
R_L ≥ 2k, V_O = ±12V
R_L ≥ 1k, V_O = ±10V
R_L ≥ 600Ω, V_O = ±10V
R_L ≥ 2k
R_L ≥ 600Ω
A_VCL = –1
A_VCL = –1
f_O = 20kHz (Note 7)
f_O = 200kHz (Note 7)
V_O = 0, I_O = 0
LT1028
LT1128
LT1028
LT1128
1.00 1.7
0.85 1.1
4.7 10.0
1.0 1.6
300
20
5
±11.0 ±12.2
114 126
117 133
7.0 30.0
5.0 20.0
3.0 15.0
±12.3 ±13.0
±11.0 ±12.2
11.0 15.0
5.0 6.0
50 75
13 20
80
7.4 9.5
1.0 1.9
0.9 1.2
4.7 12.0
1.0 1.8
300
20
5
±11.0 ±12.2
110 126
110 132
5.0 30.0
3.5 20.0
2.0 15.0
±12.0 ±13.0
±10.5 ±12.2
11.0 15.0
4.5 6.0
50 75
11 20
80
7.6 10.5
nV/√Hz
nV/√Hz
pA/√Hz
pA/√Hz
MΩ
kΩ
pF
V
dB
dB
V/µV
V/µV
V/µV
V
V
V/ µs
V/ µs
MHz
MHz
Ω
mA
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the temperature range
–55°C ≤ T_A ≤ 125°C. V_S = ±15V, unless otherwise noted.
LT1028AM
LT1128AM
LT1028M
LT1128M
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX
UNITS
V_OS
∆V_OS
∆Temp
Input Offset Voltage
Average Input Offset Drift
(Note 2)
(Note 8)
q
30 120
q
0.2 0.8
45 180
0.25 1.0
µV
µV/°C
I_OS
Input Offset Current
I_B
Input Bias Current
Input Voltage Range
V_CM = 0V
V_CM = 0V
q
25 90
30 180
nA
q
±40 ±150
±50 ±300
nA
q ±10.3 ±11.7
±10.3 ±11.7
V
CMRR
PSRR
A_VOL
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Large-Signal Voltage Gain
V_OUT Maximum Output Voltage Swing
I_S
Supply Current
V_CM = ±10.3V
V_S = ±4.5V to ±16V
R_L ≥ 2k, V_O = ±10V
R_L ≥ 1k, V_O = ±10V
R_L ≥ 2k
q 106 122
100 120
dB
q 110 130
104 130
dB
q 3.0 14.0
2.0 14.0
V/µV
2.0 10.0
1.5 10.0
V/µV
q ±10.3 ±11.6
±10.3 ±11.6
V
q
8.7 11.5
9.0 13.0
mA
3