Datasheet

LTC6078/LTC6079
3
60789fa
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
V
OS
Offset Voltage (Note 5) LTC6078MS8, LTC6078AMS8, LTC6079GN
V
CM
= 0.5V, 2.5V
LTC6078DD, LTC6079DHC V
CM
= 0.5V, 2.5V
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
●
●
●
●
●
±7
±7
±20
±25
±30
±30
±35
±25
±30
±70
±97
±115
±120
±150
±7
±25
±30
±35
±25
±95
±135
±165
μV
μV
μV
μV
μV
μV
μV
ΔV
OS
⁄ΔT Input Offset Voltage Drift
(Note 5)
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
(Note 6)
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
(Note 6)
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
CMRR Common Mode Rejection
Ratio
All Packages V
CM
= 0V to 3V
LTC6078AMS8 V
CM
= 0V to 3V
LTC6078AMS8 V
CM
= 0V to 1.7V
LTC6078MS8 V
CM
= 0V to 3V
LTC6078MS8 V
CM
= 0V to 1.7V
LTC6079GN V
CM
= 0V to 3V
LTC6079GN V
CM
= 0V to 1.7V
LTC6078DD, LTC6079DHC V
CM
= 0V to 3V
LTC6078DD, LTC6079DHC V
CM
= 0V to 1.7V
●
●
●
●
●
●
●
●
95
87
91
85
89
84
88
83
87
110
105
103
102
102
102
102
100
102
95
87
91
85
89
84
88
110
103
103
100
102
100
102
dB
dB
dB
dB
dB
dB
dB
dB
dB
PSRR Power Supply Rejection Ratio V
S
= 2.7V to 5.5V
●
100
97
120 100
97
120 dB
dB
V
OUT
Output Voltage, High
(Referred to V
+
)
No Load
I
SOURCE
= 0.2mA
I
SOURCE
= 2mA
●
●
35
350
1
15
150
40
400
1
15
150
mV
mV
mV
Output Voltage, Low
(Referred to V
–
)
No Load
I
SINK
= 0.2mA
I
SINK
= 2mA
●
●
1
10
100
30
300
1
10
100
35
350
mV
mV
mV
A
VOL
Large-Signal Voltage Gain R
LOAD
= 10k, 0.5V ≤ V
OUT
≤ 2.5V
●
115 130 110 125 dB
I
SC
Output Short-Circuit Current Source
Sink
●
●
5
7
10
14
4
6
10
14
mA
mA
SR Slew Rate A
V
= 1 0.05 0.05 V/μs
GBW Gain-Bandwidth Product
(f
TEST
= 10kHz)
R
L
= 100k
●
420
360
750 420
320
750 kHz
kHz
Φ
0
Phase Margin R
L
= 10k, C
L
= 200pF 66 66 Deg
t
S
Settling Time 0.1% A
V
= 1, 1V Step 24 24 μs
ELECTRICAL CHARACTERISTICS