Datasheet

LT6550/LT6551
4
65501fa
(LT6550 Only) The ● denotes the specifications which apply over
the specified temperature range, otherwise specifications are at T
A
= 25°C. V
S
= ±5V, V
IN
= 0V (Pins 1,2,3) V
GND
= 0V (Pin 4) unless
otherwise noted.
5V ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the specified
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 5V, V
GND
= 0V; V
IN
= 1.25V LT6550 (Pins 1,2,3);
LT6551 (Pins 1,2,3,4). V
EE
= 0V LT6550 (Pin 5), unless otherwise noted.
±5V ELECTRICAL CHARACTERISTICS
PARAMETER CONDITIONS MIN TYP MAX UNITS
PSRR V
CC
= 3V to 10V, V
IN
= 0.5V ● 40 48 dB
Minimum Supply Voltage (Note 6) ● 3V
Output Short-Circuit Current V
IN
= 1V, V
OUT
= 0V 45 60 mA
0°C ≤ T
A
≤ 70°C ● 40 mA
–40°C ≤ T
A
≤ 85°C ● 30 mA
Supply Current per Amplifier (Note 7) 9.5 11.5 mA
● 12.5 mA
Slew Rate R
L
= 150Ω, V
OUT
= 0.5V to 3.5V, 220 340 V/µs
Measured from 1V to 3V
● 180 V/µs
Small Signal –3dB Bandwidth R
L
= 150Ω 110 MHz
Gain Flatness Less than 0.25dB 30 MHz
Gain Matching Any One Channel to Any Other Channel 0.15 dB
Settling Time to 3% R
L
= 150Ω, V
OUT
= 1V to 2.5V 20 ns
Settling Time to 1% R
L
= 150Ω, V
OUT
= 1V to 2.5V 35 ns
% Overshoot V
OUT
= 1V to 2.5V, R
L
= 150Ω 5%
Differential Gain R
L
= 150Ω, Black Level = 1V at Device Output 0.05 %
Differential Phase R
L
= 150Ω, Black Level = 1V at Device Output 0.05 Deg
Channel Separation Measured at 10MHz 60 dB
PARAMETER CONDITIONS MIN TYP MAX UNITS
Output Offset ● 30 70 mV
Output Voltage Matching Between Any Two Outputs ● 20 60 mV
Input Current ● 20 70 µA
Input Impedance, ∆V
IN
/∆I
IN
V
IN
= –1V to 1V ● 200 500 kΩ
Input Noise Voltage Density f = 100kHz (Note 10) 12 nV/√Hz
Input Noise Current Density f = 100kHz (Note 10) 8 pA/√Hz
Voltage Gain –1.75V ≤ V
IN
≤ 1.75V
No Load
● 1.9 2.1 V/V
R
L
= 150Ω ● 1.9 2.1 V/V
R
L
= 75Ω, –1V ≤ V
IN
≤ 1V ● 1.9 2.1 V/V
Output Voltage Swing V
IN
= ±2.6V
No Load
● ±4.6 ±4.8 V
R
L
= 150Ω ● ±3.5 ±4.2 V
R
L
= 75Ω, 0°C ≤ T
A
≤ 70°C (Only) ● ±2.6 ±3.2 V
PSRR V
S
= ±2.5V to ±5V, ● 38 48 dB
Output Short-Circuit Current V
O
= 0V 45 60 mA
0°C ≤ T
A
≤ 70°C ● 40 mA
–40°C ≤ T
A
≤ 85°C ● 30 mA