Datasheet

7
623012fc
LT6230/LT6230-10
LT6231/LT6232
elecTrical characTerisTics
T
A
= 25°C, V
S
= ±5V, V
CM
= V
OUT
= 0V, ENABLE = 0V, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage LT6230, LT6230-10
LT6231S8, LT6232GN
LT6231DD
100
50
75
500
350
450
µV
µV
µV
Input Offset Voltage Match
(Channel-to-Channel) (Note 6)
100 600 µV
I
B
Input Bias Current 5 10 µA
I
B
Match (Channel-to-Channel) (Note 6) 0.1 0.9 µA
I
OS
Input Offset Current 0.1 0.6 µA
Input Noise Voltage 0.1Hz to 10Hz 180 nV
P-P
e
n
Input Noise Voltage Density f = 10kHz 1.1 1.7 nV/√Hz
i
n
Input Noise Current Density, Balanced Source
Input Noise Current Density, Unbalanced Source
f = 10kHz, R
S
= 10k
f = 10kHz, R
S
= 10k
1
2.4
pA/√Hz
pA/√Hz
Input Resistance Common Mode
Differential Mode
6.5
7.5
MΩ
kΩ
C
IN
Input Capacitance Common Mode
Differential Mode
2.4
6.5
pF
pF
A
VOL
Large-Signal Gain V
O
= ±4.5V, R
L
= 10k
V
O
= ±4.5V, R
L
= 1k
V
O
= ±2V, R
L
= 100Ω
140
35
8.5
260
65
16
V/mV
V/mV
V/mV
V
CM
Input Voltage Range Guaranteed by CMRR –3 4 V
CMRR Common Mode Rejection Ratio V
CM
= –3V to 4V 95 120 dB
CMRR Match (Channel-to-Channel) (Note 6) V
CM
= –3V to 4V 89 125 dB
PSRR Power Supply Rejection Ratio V
S
= ±1.5V to ±5V 90 115 dB
PSRR Match (Channel-to-Channel) (Note 6) V
S
= ±1.5V to ±5V 84 115 dB
V
OL
Output Voltage Swing Low (Note 8) No Load
I
SINK
= 5mA
I
SINK
= 20mA
4
85
240
40
190
460
mV
mV
mV
V
OH
Output Voltage Swing High (Note 8) No Load
I
SOURCE
= 5mA
I
SOURCE
= 20mA
5
90
325
50
200
600
mV
mV
mV
I
SC
Short-Circuit Current ±30 mA
I
S
Supply Current per Amplifier
Disabled Supply Current per Amplifier ENABLE = 4.65V
3.3
0.2
3.9 mA
µA
I
ENABLE
ENABLE Pin Current ENABLE = 0.3V –35 –85 µA
V
L
ENABLE Pin Input Voltage Low 0.3 V
V
H
ENABLE Pin Input Voltage High 4.65 V
Output Leakage Current ENABLE = V
+
– 4.65V, V
O
= ±1V 0.2 10 µA
t
ON
Turn-On Time ENABLE = 5V to 0V, R
L
= 1k 300 ns
t
OFF
Turn-Off Time ENABLE = 0V to 5V, R
L
= 1k 62 µs
GBW Gain-Bandwidth Product Frequency = 1MHz
LT6230-10
150
1000
215
1450
MHz
MHz
SR Slew Rate A
V
= –1, R
L
= 1k, V
O
= –2V to 2V 50 70 V/µs
LT6230-10, A
V
= –10, R
L
= 1k, V
O
= –2V to 2V 320 V/µs
FPBW Full-Power Bandwidth V
OUT
= 3V
P-P
(Note 9) 5.3 7.4 MHz
LT6230-10, HD2 = HD3 ≤ 1% 11 MHz
t
S
Settling Time (LT6230, LT6231, LT6232) 0.1%, V
STEP
= 2V, A
V
= –1, R
L
= 1k 50 ns