Datasheet

LT1678/LT1679
4
sn16789 16789fs
SYMBOL PARAMETER CONDITIONS (Note 6) MIN TYP MAX UNITS
V
OL
Output Voltage Swing Low (Note 11) Above GND
I
SINK
= 2.5mA 170 250 mV
0°C ≤ T
A
≤ 70°C ● 195 320 mV
– 40°C ≤ T
A
≤ 85°C ● 205 350 mV
Above GND
I
SINK
= 10mA 370 600 mV
0°C ≤ T
A
≤ 70°C ● 440 720 mV
– 40°C ≤ T
A
≤ 85°C ● 465 770 mV
V
OH
Output Voltage Swing High (Note 11) Below V
S
I
SOURCE
= 0.1mA 75 150 mV
0°C ≤ T
A
≤ 70°C ● 85 200 mV
– 40°C ≤ T
A
≤ 85°C ● 93 250 mV
Below V
S
I
SOURCE
= 2.5mA 110 250 mV
0°C ≤ T
A
≤ 70°C ● 195 350 mV
– 40°C ≤ T
A
≤ 85°C ● 205 375 mV
Below V
S
I
SOURCE
= 10mA 170 400 mV
0°C ≤ T
A
≤ 70°C ● 200 500 mV
– 40°C ≤ T
A
≤ 85°C ● 230 550 mV
I
SC
Output Short-Circuit Current (Note 3) V
S
= 3V 15 22 mA
● 13 19 mA
V
S
= 5V 18 29 mA
● 14 25 mA
SR Slew Rate (Note 13) A
V
= – 1, R
L
= 10k 4 6 V/µs
R
L
= 10k, 0°C ≤ T
A
≤ 70°C ● 3.5 5.8 V/µs
R
L
= 10k, –40°C ≤ T
A
≤ 85°C ● 3 5.5 V/µs
GBW Gain Bandwidth Product (Note 11) f
O
= 100kHz 13 20 MHz
f
O
= 100kHz ● 12.5 19 MHz
t
S
Settling Time 2V Step 0.1%, A
V
= +1 1.4 µs
2V Step 0.01%, A
V
= +1 2.4 µs
R
O
Open-Loop Output Resistance I
OUT
= 0 100 Ω
Closed-Loop Output Resistance A
V
= 100, f = 10kHz 1 Ω
I
S
Supply Current per Amplifier (Note 12) 2 3.4 mA
● 2.5 3.8 mA
∆V
OS
Offset Voltage Match 35 150 µV
(Notes 11, 15) 0°C ≤ T
A
≤ 70°C ● 55 400 µV
–40°C ≤ T
A
≤ 85°C ● 75 525 µV
∆IB+ Noninverting Bias Current Match ±2 ±30 nA
(Notes 11, 15) 0°C ≤ T
A
≤ 70°C ● ±3 ±55 nA
–40°C ≤ T
A
≤ 85°C ● ±7 ±75 nA
∆CMRR Common Mode Rejection Match V
S
= 5V, V
CM
= 1.9V to 3.9V 94 110 dB
(Notes 11, 14, 15)
● 88 110 dB
∆PSRR Power Supply Rejection Match V
S
= 2.7V to 36V, V
CM
= V
O
= 1.7V 96 120 dB
(Notes 11, 14, 15) V
S
= 3.1V to 36V, V
CM
= V
O
= 1.7V ● 94 120 dB
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
S
= 3V, V
CM
= V
O
= 1.7V; V
S
= 5V, V
CM
= V
O
= 2.5V unless
otherwise noted.
ELECTRICAL CHARACTERISTICS