Datasheet

LTC6240/LTC6241/LTC6242
5
624012fc
(LTC6240C/I, LTC6240HVC/I, LTC6241C/I, LTC6241HVC/I, LTC6242C/I,
LTC6242HVC/I) The ● denotes the specifi cations which apply over the specifi ed temperature range, otherwise specifi cations are at
T
A
= 25°C. V
S
= 5V, 0V, V
CM
= 2.5V unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
e
n
Input Noise Voltage Density f = 1kHz 7 10 nV/√Hz
i
n
Input Noise Current Density (Note 8) 0.56 fA/√Hz
R
IN
Input Resistance Common Mode 10
12
Ω
C
IN
Input Capacitance
Differential Mode
Common Mode
f = 100kHz
3.5
3
pF
pF
V
CM
Input Voltage Range Guaranteed by CMRR
●
0 3.5 V
CMRR Common Mode Rejection 0V ≤ V
CM
≤ 3.5V
●
80 105 dB
CMRR Match
Channel-to-Channel (Note 5)
●
76 95 dB
A
VOL
Large Signal Voltage Gain V
O
= 1V to 4V
R
L
= 10k to V
S
/2
0°C to 70°C
–40°C to 85°C
●
●
425
300
200
1600 V/mV
V/mV
V/mV
V
O
= 1.5V to 3.5V
R
L
= 1k to V
S
/2
0°C to 70°C
–40°C to 85°C
●
●
90
60
50
215 V/mV
V/mV
V/mV
V
OL
Output Voltage Swing Low (Note 9) No Load
I
SINK
= 1mA
I
SINK
= 5mA
●
●
●
7
40
190
30
75
325
mV
mV
mV
V
OH
Output Voltage Swing High (Note 9) No Load
I
SOURCE
= 1mA
I
SOURCE
= 5mA
●
●
●
11
45
190
30
75
325
mV
mV
mV
PSRR Power Supply Rejection V
S
= 2.8V to 6V, V
CM
= 0.2V
●
80 104 dB
PSRR Match
Channel-to-Channel (Note 5)
●
74 100 dB
Minimum Supply Voltage (Note 10)
●
2.8 V
I
SC
Short-Circuit Current
●
15 30 mA
I
S
Supply Current per Amplifi er LTC6241, LTC6242
0°C to 70°C
–40°C to 85°C
●
●
1.8 2.2
2.3
2.4
mA
mA
mA
LTC6240
0°C to 70°C
–40°C to 85°C
●
●
22.4
2.5
2.6
mA
mA
mA
GBW Gain Bandwidth Product Frequency = 20kHz, R
L
= 1kΩ
●
13 18 MHz
SR Slew Rate (Note 11) A
V
= –2, R
L
= 1kΩ
●
5 10 V/µs
FPBW Full Power Bandwidth (Note 12) V
OUT
= 3V
P-P
, R
L
= 1kΩ
●
0.53 1.06 MHz
t
s
Settling Time V
STEP
= 2V, A
V
= –1, R
L
= 1kΩ, 0.1% 1100 ns