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LT1469 Fiches technique(PDF) 6 Page - Linear Technology

No de pièce LT1469
Description  Dual 90MHz, 22V/us 16-Bit Accurate Operational Amplifier
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Fabricant  LINER [Linear Technology]
Site Internet  http://www.linear.com
Logo LINER - Linear Technology

LT1469 Fiches technique(HTML) 6 Page - Linear Technology

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LT1469
6
1469fa
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, –40°C ≤ TA ≤ 85°C, VCM = 0V unless otherwise noted. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
VSUPPLY
MIN
TYP
MAX
UNITS
CMRR
Common Mode Rejection Ratio
VCM = ±12.5V
VCM = ±2.5V
±15V
±5V
92
92
±4.5
dB
dB
Minimum Supply Voltage
Guaranteed by PSRR
V
PSRR
Power Supply Rejection Ratio
VS = ±4.5V to ±15V
93
dB
AVOL
Large-Signal Voltage Gain
VOUT = ±12,5V, RL = 10k
VOUT = ±12.5V, RL = 2k
VOUT = ±2.5V, RL = 10k
VOUT = ±2.5V, RL = 2k
±15V
±15V
±5V
±5V
75
75
75
75
V/mV
V/mV
V/mV
V/mV
VOUT
Maximum Output Swing
RL = 10k, 1mV Overdrive
RL = 2k, 1mV Overdrive
RL = 10k, 1mV Overdrive
RL = 2k, 1mV Overdrive
±15V
±15V
±5V
±5V
±12.8
±12.6
±2.8
±2.6
V
V
V
V
IOUT
Maximum Output Current
VOUT = ±12.5V, 1mV Overdrive
VOUT = ±2.5V, 1mV Overdrive
±15V
±5V
±7
±7
mA
mA
ISC
Output Short-Circuit Current
VOUT = 0V, 0.2V Overdrive (Note 3)
±15V
±12
mA
SR
Slew Rate
AV = –10, RL = 2k (Note 6)
±15V
±5V
9
6
V/μs
V/μs
GBW
Gain Bandwidth Product
f = 100kHz, RL = 2k
±15V
±5V
45
40
MHz
MHz
Channel Separation
VOUT = ±12.5V, RL = 2k
VOUT = ±2.5V, RL = 2k
±15V
±5V
96
96
dB
dB
IS
Supply Current
Per Amplifier
±15V
±5V
7
6.8
mA
mA
ΔVOS
Input Offset Voltage Match
S8, DF A-Grade
±15V
±5V
800
800
μV
μV
ΔIB
Inverting Input Bias Current Match
±5V to ±15V
78
nA
ΔIB+
Noninverting Input Bias Current
Match
±5V to ±15V
158
nA
ΔCMRR
Common Mode Rejection Match
VCM = ±12.5V (Note 9)
VCM = ±2.5V (Note 9)
±15V
±5V
89
89
dB
dB
ΔPSRR
Power Supply Rejection Match
VS = ±4.5V to ±15V (Note 9)
90
dB
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: The inputs are protected by back-to-back diodes and two 100Ω
series resistors. If the differential input voltage exceeds 0.7V, the input
current should be limited to less than 10mA. Input voltages outside the
supplies will be clamped by ESD protection devices and input currents
should also be limited to less than 10mA.
Note 3: A heat sink may be required to keep the junction temperature
below absolute maximum when the output is shorted indefinitely.
Note 4: The LT1469C and LT1469I are guaranteed functional over the
operating temperature range of – 40°C to 85°C.
Note 5: The LT1469C is guaranteed to meet specified performance from
0°C to 70°C and is designed, characterized and expected to meet specified
performance from –40°C to 85°C but is not tested or QA sampled at these
temperatures. The LT1469I is guaranteed to meet specified performance
from –40°C to 85°C.
Note 6: Slew rate is measured between ±8V on the output with ±12V
swing for ±15V supplies and ±2V on the output with ±3V swing for ±5V
supplies.
Note 7: Full-power bandwidth is calculated from the slew rate. FPBW =
SR/2πVP.
Note 8: This parameter is not 100% tested.
Note 9: ΔCMRR and ΔPSRR are defined as follows: 1) CMRR and PSRR
are measured in μV/V on each amplifier; 2) the difference between the two
sides is calculated in μV/V; 3) the result is converted to dB.


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