Datasheet
LTC6078/LTC6079
4
60789fa
ELECTRICAL CHARACTERISTICS
The ● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. Test conditions are V
+
= 3V, V
–
= 0V, V
CM
= 0.5V unless otherwise noted.
SYMBOL PARAMETER CONDITIONS C, I SUFFIXES H SUFFIX UNITS
MIN TYP MAX MIN TYP MAX
I
S
Supply Current
(per Amplifi er)
No Load
●
54 72
78
54 72
80
μA
μA
Shutdown Current
(per Amplifi er)
Shutdown, V
SHDN
≤ 0.8V, LTC6078DD
●
0.3 1 μA
V
S
Supply Voltage Range Guaranteed by the PSRR Test
●
2.7 5.5 2.7 5.5 V
Channel Separation f
s
= 10kHz, R
L
= 10k –110 –110 dB
Shutdown Logic SHDN High, LTC6078DD
SHDN Low, LTC6078DD
●
●
2
0.8
2
0.8
V
V
t
ON
Turn on Time V
SHDN
= 0.8V to 2V, LTC6078DD 50 50 µs
t
OFF
Turn off Time V
SHDN
= 2V to 0.8V, LTC6078DD 2 2 µs
Leakage of SHDN Pin V
SHDN
= 0V, LTC6078DD 0.6 μA
The ● denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at T
A
= 25°C. Test
conditions are V
+
= 5V, V
–
= 0V, V
CM
= 0.5V unless otherwise noted.
SYMBOL PARAMETER CONDITIONS C, I SUFFIXES H SUFFIX UNITS
MIN TYP MAX MIN TYP MAX
V
OS
Offset Voltage LTC6078MS8, LTC6078AMS8, LTC6079GN
V
CM
= 0.5V
LTC6078DD, LTC6079DHC V
CM
= 0.5V
LTC6078AMS8 V
CM
= 0.5V
LTC6078MS8 V
CM
= 0.5V
LTC6079GN V
CM
= 0.5V
LTC6078DD V
CM
= 0.5V
LTC6079DHC V
CM
= 0.5V
●
●
●
●
●
±10
±10
±20
±25
±30
±30
±35
±30
±35
±75
±102
±120
±125
±155
±10
±25
±30
±35
±30
±100
±140
±170
μV
μV
μV
μV
μV
μV
μV
ΔV
OS
⁄ΔT Input Offset Voltage Drift
(Note 7)
LTC6078AMS8
LTC6078MS8
LTC6078DD, LTC6079GN
LTC6079DHC
●
●
●
●
±0.2
±0.3
±0.3
±0.7
±1.1
±1.4
±1.8
±0.2
±0.3
±0.7
±1.1
±1.4
μV/°C
μV/°C
μV/°C
μV/°C
I
B
Input Bias Current V
CM
= V
+
/2
V
CM
= V
+
/2
●
0.2
10
1
50
0.2
150
1
350
pA
pA
I
OS
Input Offset Current V
CM
= V
+
/2
V
CM
= V
+
/2
●
0.1
0.5 25
0.1
10 100
pA
pA
e
n
Input Noise Voltage 0.1Hz to 10Hz 1 1 µV
P-P
Input Noise Voltage Density f = 1kHz
f = 10kHz
18
16
18
16
nV/√Hz
nV/√Hz
i
n
Input Noise Current Density
(Note 8)
0.56 0.56 fA/√Hz
Input Common Mode Range
●
V
–
V
+
V
–
V
+
V
C
DIFF
Differential Input Capacitance 10 10 pF
C
CM
Common Mode Input
Capacitance
18 18 pF