3
LT1208/LT1209
E
LECTR
IC
AL C CHARA TERIST
ICS
V
S
= ±15V, T
A
= 25°C, R
L
= 1k, V
CM
= 0V, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
R
IN
Input Resistance V
CM
= ±12V 20 40 MΩ
Differential 250 kΩ
C
IN
Input Capacitance 2pF
CMRR Common-Mode Rejection Ratio V
S
= ±15V, V
CM
= ±12V; V
S
= ±5V, 86 98 dB
V
CM
= ±2.5V, 0°C to 70°C ● 83 dB
PSRR Power Supply Rejection Ratio V
S
= ±5V to ±15V 76 84 dB
0°C to 70°C ● 75 dB
Input Voltage Range V
S
= ±15V ±12 ±13 V
V
S
= ±5V ±2.5 ±3V
A
VOL
Large-Signal Voltage Gain V
S
= ±15V, V
OUT
= ±10V, R
L
= 500Ω 3.3 7 V/mV
0°C to 70°C ● 2.5 V/mV
V
S
= ±5V, V
OUT
= ±2.5V, R
L
= 500Ω 2.5 7 V/mV
0°C to 70°C ● 2.0 V/mV
V
S
= ±5V, V
OUT
= ±2.5V, R
L
= 150Ω 3 V/mV
V
OUT
Output Swing V
S
= ±15V, R
L
= 500Ω, 0°C to 70°C ● 12.0 13.3 ±V
V
S
= ±5V, R
L
= 150Ω, 0°C to 70°C ● 3.0 3.3 ±V
I
OUT
Output Current V
S
= ±15V, V
OUT
= ±12V, 0°C to 70°C ● 24 40 mA
V
S
= ±5V, V
OUT
= ±3V, 0°C to 70°C ● 20 40 mA
SR Slew Rate V
S
= ±15V, A
VCL
= –2, (Note 3) 250 400 V/µs
0°C to 70°C ● 200 V/µs
V
S
= ±5V, A
VCL
= –2, (Note 3) 150 250 V/µs
0°C to 70°C ● 130 V/µs
Full Power Bandwidth 10V Peak, (Note 4) 6.4 MHz
GBW Gain-Bandwidth V
S
= ±15V, f = 1MHz 45 MHz
V
S
= ±5V, f = 1MHz 34 MHz
t
r
, t
f
Rise Time, Fall Time V
S
= ±15V, A
VCL
= 1, 10% to 90%, 0.1V 5 ns
V
S
= ±5V, A
VCL
= 1, 10% to 90%, 0.1V 7 ns
Overshoot V
S
= ±15V, A
VCL
= 1, 0.1V 30 %
V
S
= ±5V, A
VCL
= 1, 0.1V 20 %
Propagation Delay V
S
= ±15V, 50% V
IN
to 50%V
OUT
5ns
V
S
= ±5V, 50% V
IN
to 50%V
OUT
7ns
t
s
Settling Time V
S
= ±15V, 10V Step, V
S
= ±5V, 90 ns
5V Step, 0.1%
Differential Gain f = 3.58MHz, R
L
= 150Ω 1.30 %
f = 3.58MHz, R
L
= 1k 0.09 %
Differential Phase f = 3.58MHz, R
L
= 150Ω 1.8 Deg
f = 3.58MHz, R
L
= 1k 0.1 Deg
R
O
Output Resistance A
VCL
= 1, f = 1MHz 2.5 Ω
Crosstalk V
OUT
= ±10V, R
L
= 500Ω –100 –94 dB
I
S
Supply Current Each Amplifier, V
S
= ±5V and V
S
= ±15V 7 9 mA
0°C to 70°C ● 10.5 mA
Note 3: Slew rate is measured in a gain of –2. For ±15V supplies measure
between ±10V on the output with ±6V on the input. For ±5V supplies
measure between ±2V on the output with ±1.75V on the input.
Note 4: Full power bandwidth is calculated from the slew rate
measurement: FPBW = SR/2πV
P
.
The
● denotes the specifications which apply over the full operating
temperature range.
Note 1: A heat sink may be required to keep the junction temperature
below absolute maximum when the output is shorted indefinitely.
Note 2: Input offset voltage is tested with automated test equipment and is
exclusive of warm-up drift.
