LT6550/LT6551
±5V ELECTRICAL CHARACTERISTICS
(LT6550 Only) The
●
denotes the specifications which apply over
the specified temperature range, otherwise specifications are at T = 25°C. V = ±5V, V = 0V (Pins 1,2,3) V
= 0V (Pin 4) unless
A
S
IN
GND
otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
8.5
MAX
UNITS
Supply Current per Amplifier
10.5
12
mA
mA
●
●
Slew Rate
R = 150Ω, V
= –3V to 3V,
400
300
600
V/µs
V/µs
L
OUT
Measured from –2V to 2V
Small Signal –3dB Bandwidth
Gain Flatness
R = 150Ω
90
30
MHz
MHz
dB
L
Less than 0.25dB
Gain Matching
Any One Channel to Any Other Channel
0.15
20
Settling Time to 3%
Settling Time to 1%
% Overshoot
R = 150Ω, V
L
= 1V to 2.5V
= 1V to 2.5V
ns
OUT
OUT
R = 150Ω, V
L
30
ns
V
= 1V to 2.5V, R = 150Ω
5
%
OUT
L
Differential Gain
R = 150Ω, Black Level = 0V at Device Output
0.15
0.09
60
%
L
Differential Phase
Channel Separation
R = 150Ω, Black Level = 0V at Device Output
L
Deg
dB
Measured at 10MHz
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: A heat sink may be required to keep the junction temperature
below absolute maximum. This depends on the power supply voltage and
how many amplifiers are shorted.
Note 4: Thermal resistance varies depending upon the amount of PC board
2
metal attached to Pin 5 of the device. θ is specified for a 2500mm test
JA
board covered with 2oz copper on both sides.
Note 5: Gain is measured by changing the input voltage, and dividing the
change in output voltage by the change in input voltage.
Note 3: The LT6550C/LT6551C are guaranteed to meet specified
performance from 0°C to 70°C and are designed, characterized and
expected to meet specified performance from –40°C to 85°C but are not
tested or QA sampled at these temperatures. The LT6550I/LT6551I are
guaranteed to meet specified performance from –40°C to 85°C.
Note 6: Minimum supply voltage is guaranteed by the PSRR test.
Note 7: The supply current specification includes additional output current
through the internal feedback and gain resistor.
Note 8: Guaranteed by correlation to slew rate at 5V and ±5V.
Note 9: The inputs are protected from ESD with diodes to the supplies.
Note 10: Noise is input referred, including internal gain resistors.
U W
5V/3.3V TYPICAL PERFOR A CE CHARACTERISTICS
V
EE
(Pin 5) = 0V (LT6550), GND (Pin 5) = 0V (LT6551)
Input Bias Current vs
Temperature
Supply Current Per Amplifier vs
Supply Voltage
Output Voltage vs Input Voltage
–10
–11
–12
–13
–14
–15
–16
–17
–18
–19
–20
14
12
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
V
= 0.75V
V
= 3.3V, 0V
T = 125°C
A
V
V
= 5V, 0V
= 2.5V
IN
L
S
S
OUT
T
= 125°C
A
R
= 150Ω
R
= ∞
L
T
= 25°C
A
T
= 25°C
GND = 0V
A
T
= –55°C
A
10
8
T
= –55°C
A
6
4
2
0
0
3
4
5
6
7
8
9
10
1
2
0
1.0 1.2 1.4 1.6 1.8 2.0
(V)
0.2 0.4 0.6 0.8
–50
0
25
50
75 100 125
–25
V
(V)
V
TEMPERATURE (°C)
CC
IN
6550/51 G01
6550/51 G02
6550/51 G03
65501fa
5
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