LT1187IN8 Ver la hoja de datos (PDF) - Linear Technology
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LT1187IN8 Datasheet PDF : 16 Pages
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LT1187
±5V ELECTRICAL CHARACTERISTICS 0°C ≤ TA ≤ 70°C (LT1187C) –40°C ≤ TA ≤ 85°C (LT1187I) (Note 4)
VS = ±5V, VREF = 0V, RFB1 = 900Ω from Pins 6 to 8, RFB2 = 100Ω from Pin 8 to ground, RL = RFB1 + RFB2 = 1k, CL ≤ 10pF, Pin 5 open.
SYMBOL
PARAMETER
CONDITIONS
LT1187C/I
MIN
TYP
MAX
UNITS
VOS
ΔVOS/ΔT
IOS
IB
Input Offset Voltage
Input VOS Drift
Input Offset Current
Input Bias Current
Input Voltage Range
Either Input (Note 5)
Either Input
Either Input
2.0
12
9.0
0.2
1.5
±0.5
±3.5
–2.5
3.5
mV
mV/°C
µA
µA
V
CMRR
Common Mode Rejection Ratio
VCM = –2.5V to 3.5V
70
100
dB
PSRR
Power Supply Rejection Ratio
VS = ±2.375V to ±8V
65
85
dB
VOUT
Output Voltage Swing
VS = ±5V, RL = 1k, AV = 50
±3.7
±4.0
V
VS = ±8V, RL = 1k, AV = 50
±6.6
±7.0
V
VS = ±8V, RL = 300Ω, AV = 50 (Note 4)
±6.4
±6.8
V
GE
Gain Error
VO = ±1V, AV = 10, RL = 1k
0.2
1.0
%
IS
Supply Current
Shutdown Supply Current
Pin 5 at V– (Note 12)
13
17
mA
0.8
1.5
mA
IS/D
Shutdown Pin Current
Pin 5 at V–
5
25
µA
5V ELECTRICAL CHARACTERISTICS VS+
=
5V,
VS–
=
0V,
VREF
=
2.5V,
RFB1
=
900Ω
from
Pins
6
to
8,
0°C ≤ TA ≤
RFB2 = 100Ω
70°C
from
(LT1187C) –40°C
Pin 8 to VREF, RL
≤
=
TA ≤
RFB1
85°C (LT1187I)
+ RFB2 = 1k, CL
(Note 4)
≤ 10pF, Pin
5
open.
SYMBOL
PARAMETER
CONDITIONS
LT1187C/I
MIN
TYP
MAX
UNITS
VOS
ΔVOS/ΔT
IOS
IB
Input Offset Voltage
Input VOS Drift
Input Offset Current
Input Bias Current
Input Voltage Range
Either Input (Note 5)
SO Package
Either Input
Either Input
2.0
12.0
2.0
13.0
9.0
0.2
1.5
±0.5
±3.5
2.0
3.5
mV
mV
µV/°C
µA
µA
V
CMRR
Common Mode Rejection Ratio
VCM = 2.0V to 3.5V
70
100
dB
VOUT
Output Voltage Swing
RL = 300Ω to Ground
VOUT High
3.5
4.0
V
(Note 4)
VOUT Low
0.15
0.4
V
IS
Supply Current
Shutdown Supply Current
Pin 5 at V– (Note 12)
12
16
mA
0.8
1.5
mA
IS/D
Shutdown Pin Current
Pin 5 at V–
5
25
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 absolute maximum when the output is shorted continuously.
Note 3: TJ is calculated from the ambient temperature TA and power
dissipation PD according to the following formulas:
LT1187MJ8, LT1187CJ8: TJ = TA + (PD • 100°C/W)
LT1187CN8:
TJ = TA + (PD • 100°C/W)
LT1187CS8:
TJ = TA + (PD • 150°C/W)
Note 4: When RL = 1k is specified, the load resistor is RFB1 + RFB2, but
when RL = 300Ω is specified, then an additional 430Ω is added to the
output such that (RFB1 + RFB2) in parallel with 430Ω is RL = 300Ω.
Note 5: VOS measured at the output (Pin 6) is the contribution from both
input pair and is input referred.
Note 6: VIN LIM is the maximum voltage between –VIN and +VIN (Pin 2 and
Pin 3) for which the output can respond.
Note 7: Slew rate is measured between ±0.5V on the output, with a VIN
step of ±0.75V, AV = 3 and RL = 1k.
Note 8: Full power bandwidth is calculated from the slew rate
measurement: FPBW = SR/2πVP.
Note 9: Settling time measurement techniques are shown in “Take the
Guesswork Out of Settling Time Measurements,” EDN, September 19,
1985.
Note 10: NTSC (3.58MHz).
Note 11: AC parameters are 100% tested on the ceramic and plastic DIP
packaged parts (J8 and N8 suffix) and are sample tested on every lot of
the SO packaged parts (S8 suffix).
Note 12: See Application section for shutdown at elevated temperatures.
Do not operate shutdown above TJ > 125°C.
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4
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