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LTC1992 Datasheet(PDF) 6 Page - Linear Technology

Part # LTC1992
Description  Low Power, Fully Differential Input/Output Amplifier/Driver Family
PDF  40 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1992 Datasheet(HTML) 6 Page - Linear Technology

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LTC1992 Family
6
1992f
LTC1992-5CMS8
LTC1992-5IMS8
LTC1992-5HMS8
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
GDIFF
Differential Gain
5
5
V/V
Differential Gain Error
●
±0.1
±0.3
±0.1
±0.35
%
Differential Gain Nonlinearity
50
50
ppm
Differential Gain Temperature Coefficient
●
3.5
3.5
ppm/°C
en
Input Referred Noise Voltage Density (Note 7) f = 1kHz
45
45
nV/√Hz
RIN
Input Resistance, Single-Ended +IN, –IN Pins
●
22.5
30
37.5
22
30
38
kΩ
VINCMR
Input Signal Common Mode Range
VS = 5V
– 0.1V to 3.9V
– 0.1V to 3.9V
V
CMRR
Common Mode Rejection Ratio
VINCM = –0.1V to 3.7V ●
55
60
55
60
dB
(Amplifier Input Referred) (Note 7)
SR
Slew Rate (Note 4)
●
0.7
2
0.7
2
V/µs
GBW
Gain-Bandwidth Product
fTEST = 180kHz
4
4
MHz
ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. +VS = 5V, –VS = 0V, VINCM = VOUTCM = VOCM = 2.5V, unless otherwise
noted. VOCM is the voltage on the VOCM pin. VOUTCM is defined as (+VOUT + –VOUT)/2. VINCM is defined as (+VIN + –VIN)/2. VINDIFF is
defined as (+VIN – –VIN). VOUTDIFF is defined as (+VOUT – –VOUT). Typical values are at TA = 25°C. Specifications apply to the
LTC1992-5 only.
LTC1992-10CMS8
LTC1992-10IMS8
LTC1992-10HMS8
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
GDIFF
Differential Gain
10
10
V/V
Differential Gain Error
●
±0.1
±0.3
±0.1
±0.35
%
Differential Gain Nonlinearity
50
50
ppm
Differential Gain Temperature Coefficient
●
3.5
3.5
ppm/°C
en
Input Referred Noise Voltage Density (Note 7) f = 1kHz
45
45
nV/√Hz
RIN
Input Resistance, Single-Ended +IN, –IN Pins
●
11.3
15
18.8
11
15
19
kΩ
VINCMR
Input Signal Common Mode Range
VS = 5V
– 0.1V to 3.8V
– 0.1V to 3.8V
V
CMRR
Common Mode Rejection Ratio
VINCM = –0.1V to 3.7V ●
55
60
55
60
dB
(Amplifier Input Referred) (Note 7)
SR
Slew Rate (Note 4)
●
0.7
2
0.7
2
V/µs
GBW
Gain-Bandwidth Product
fTEST = 180kHz
4
4
MHz
The
● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
+VS = 5V, –VS = 0V, VINCM = VOUTCM = VOCM = 2.5V, unless otherwise noted. VOCM is the voltage on the VOCM pin. VOUTCM is defined as
(+VOUT + –VOUT)/2. VINCM is defined as (+VIN + –VIN)/2. VINDIFF is defined as (+VIN – –VIN). VOUTDIFF is defined as (+VOUT – –VOUT).
Typical values are at TA = 25°C. Specifications apply to the LTC1992-10 only.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Output load is connected to the midpoint of the +VS and –VS
potentials. Measurement is taken single-ended, one output loaded at a
time.
Note 3: A heat sink may be required to keep the junction temperature
below the absolute maximum when the output is shorted indefinitely.
Note 4: Differential output slew rate. Slew rate is measured single ended
and doubled to get the listed numbers.
Note 5: The LTC1992C/LTC1992-XC/LTC1992I/LTC1992-XI are guaranteed
functional over an operating temperature of –40°C to 85°C. The
LTC1992H/LTC1992-XH are guaranteed functional over the extended
operating temperature of – 40°C to 125°C.
Note 6: The LTC1992C/LTC1992-XC are guaranteed to meet the specified
performance limits over the 0°C to 70°C temperature range and are
designed, characterized and expected to meet the specified performance
limits over the –40°C to 85°C temperature range but are not tested or QA
sampled at these temperatures. The LTC1992I/LTC1992-XI are guaranteed
to meet the specified performance limits over the –40°C to 85°C
temperature range. The LTC1992H/LTC1992-XH are guaranteed to meet
the specified performance limits over the –40°C to 125°C temperature
range.
Note 7: Differential offset voltage, differential offset voltage drift, CMRR,
noise voltage density and PSRR are referred to the internal amplifier’s
input to allow for direct comparison of gain blocks with discrete
amplifiers.



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