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LTC6404 Datasheet(Fiches technique) 3 Page - Linear Technology

Numéro de pièce LTC6404
Description  600MHz, Low Noise, High Precision Fully Differential Input/Output Amplifi er/Driver
Télécharger  28 Pages
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Fabricant  LINER [Linear Technology]
Site Internet  http://www.linear.com
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LTC6404
3
6404f
The
l denotes the specifications which apply over
the full operating temperature range, otherwise specifications are at TA = 25°C. V+ = 3V, V= 0V, VCM = VOCM = VICM = Mid-Supply,
VSHDN = OPEN, RL = OPEN, RBAL = 100k (See Figure 1). For the LTC6404-1: RI = 100Ω, RF = 100Ω. For the LTC6404-2: RI = 100Ω,
RF = 200Ω. For the LTC6404-4: RI = 100Ω, RF = 402Ω, unless otherwise noted. VS is defined (V+ – V). VOUTCM = (VOUT+ + VOUT–)/2.
VICM is defined (VIN+ + VIN–)/2. VOUTDIFF is defined (VOUT+ – VOUT–). VINDIFF = (VINP – VINM)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOSDIFF
Differential Offset Voltage (Input Referred)
VS = 2.7V to 5.25V
l
±0.5
±2
mV
ΔVOSDIFF/ΔT Differential Offset Voltage Drift (Input Referred)
VS = 2.7V to 5.25V
1
μV/°C
IB
Input Bias Current (Note 6)
VS = 2.7V to 5.25V
l
–60
–23
0
μA
ΔIB/ΔT
Input Bias Current Drift (Note 6)
VS = 2.7V to 5.25V
0.01
μA/°C
IOS
Input Offset Current (Note 6)
VS = 2.7V to 5.25V
l
±1
±10
μA
RIN
Input Resistance
Common Mode
Differential Mode
1000
3
CIN
Input Capacitance
1pF
en
Differential Input Referred Noise Voltage Density
f = 1MHz
1.5
nV/√Hz
in
Input Noise Current Density
f = 1MHz
3
pA/√Hz
enVOCM
Input Referred Common Mode Noise Voltage
Density
f = 1MHz, Referred to VOCM Pin
LTC6404-1
LTC6404-2
LTC6404-4
9
10.5
27
nV/√Hz
nV/√Hz
nV/√Hz
VICMR
(Note 7)
Input Signal Common Mode Range
VS = 3V
VS = 5V
l
l
0
0
1.6
3.6
V
V
CMRRI
(Note 8)
Input Common Mode Rejection Ratio
(Input Referred)
ΔVICM/ΔVOSDIFF
VS = 3V, ΔVCM = 0.75V
VS = 5V, ΔVCM = 1.25V
60
60
dB
dB
CMRRIO
(Note 8)
Output Common Mode Rejection Ratio
(Input Referred)
ΔVOCM/ΔVOSDIFF
VS = 5V, ΔVOCM = 1V
66
dB
PSRR
(Note 9)
Differential Power Supply Rejection
(
ΔVS/ΔVOSDIFF)
VS = 2.7V to 5.25V
l
60
94
dB
PSRRCM
(Note 9)
Output Common Mode Power Supply Rejection
(
ΔVS/ΔVOSCM)
VS = 2.7V to 5.25V
LTC6404-1
LTC6404-2
LTC6404-4
l
l
l
50
50
40
63
63
51
dB
dB
dB
GCM
Common Mode Gain (
ΔVOUTCM/ΔVOCM)VS = 5V, ΔVOCM = 1V
LTC6404-1
LTC6404-2
LTC6404-4
l
l
l
1
1
0.99
V/V
V/V
V/V
Common Mode Gain Error
VS = 5V, ΔVOCM = 1V
LTC6404-1
LTC6404-2
LTC6404-4
l
l
l
–0.6
–0.6
–1.6
–0.125
–0.25
–1
0.1
0.1
–0.4
%
%
%
BAL
Output Balance (
ΔVOUTCM/ΔVOUTDIFF)
ΔVOUTDIFF = 2V, Single-Ended Input
LTC6404-1
LTC6404-2
LTC6404-4
l
l
l
–60
–60
–53
–40
–40
–40
dB
dB
dB
ΔVOUTDIFF = 2V, Differential Input
LTC6404-1
LTC6404-2
LTC6404-4
l
l
l
–66
–66
–66
–40
–40
–40
dB
dB
dB
VOSCM
Common Mode Offset Voltage (VOUTCM – VOCM)VS = 2.7V to 5.25V
LTC6404-1
LTC6404-2
LTC6404-4
l
l
l
±10
±20
±40
±25
±50
±100
mV
mV
mV
LTC6404 DC ELECTRICAL CHARACTERISTICS




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Datasheet Download



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