Datasheet

LTC6246/LTC6247/LTC6248
5
624678fa
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
HD2/HD3 Harmonic Distortion
R
L
= 1k to Half Supply
f
C
= 100kHz, V
O
= 2V
P-P
f
C
= 1MHz, V
O
= 2V
P-P
f
C
= 2MHz, V
O
= 2V
P-P
110/90
88/80
78/62
dBc
dBc
dBc
R
L
= 100Ω to Half Supply f
C
= 100kHz, V
O
= 2V
P-P
f
C
= 1MHz, V
O
= 2V
P-P
f
C
= 2MHz, V
O
= 2V
P-P
90/79
66/60
59/51
∆G
Differential Gain (Note 14) A
V
= 1, R
L
= 1k, V
S
= ±2.5V 0.2 %
∆θ
Differential Phase (Note 14) A
V
= 1, R
L
= 1k, V
S
= ±2.5V 0.08 Deg
Crosstalk A
V
= –1, R
L
= 1k to Half Supply,
V
OUT
= 2V
P-P
, f = 1MHz
–90 dB
elecTrical characTerisTics
(V
S
= 5V) The l denotes the specifications which apply across the
specified temperature range, otherwise specifications are at T
A
= 25°C. For each amplifier V
S
= 5V, 0V; V
SHDN
= 2V; V
CM
= V
OUT
= 2.5V,
unless otherwise noted.
elecTrical characTerisTics
(V
S
= 2.7V) The l denotes the specifications which apply across the
specified temperature range, otherwise specifications are at T
A
= 25°C. For each amplifier V
S
= 2.7V, 0V; V
SHDN
= 2V; V
CM
= V
OUT
=
1.35V, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage V
CM
= Half Supply
l
–100
–300
500 1000
1400
µV
µV
V
CM
= V
+
– 0.5V, NPN Mode
l
–1.75
–2.25
0.75 3.25
3.75
mV
mV
∆V
OS
Input Offset Voltage Match
(Channel-to-Channel) (Note 8)
V
CM
= Half Supply
l
–700
–1000
–20 700
1000
µV
µV
V
CM
= V
+
– 0.5V, NPN Mode
l
–3.5
–4
0.1 3.5
4
mV
mV
V
OS
T
C
Input Offset Voltage Drift
l
2 µV/°C
I
B
Input Bias Current (Note 7) V
CM
= Half Supply
l
–450
–600
–100 450
600
nA
nA
V
CM
= V
+
– 0.5V, NPN Mode
l
50
0
350 1000
1500
nA
nA
I
OS
Input Offset Current V
CM
= Half Supply
l
–250
–350
–10 250
350
nA
nA
V
CM
= V
+
– 0.5V, NPN Mode
l
–250
–350
–10 250
350
nA
nA
e
n
Input Noise Voltage Density f = 100kHz 4.6 nV/√Hz
Input 1/f Noise Voltage f = 0.1Hz to 10Hz 1.7 µV
P-P
i
n
Input Noise Current Density f = 100kHz 1.8 pA/√Hz
C
IN
Input Capacitance Differential Mode
Common Mode
2
0.8
pF
pF
R
IN
Input Resistance Differential Mode
Common Mode
32
12
kΩ
MΩ
A
VOL
Large Signal Voltage Gain R
L
= 1k to Half Supply
(Note 12)
l
15
7.5
25 V/mV
V/mV
R
L
= 100Ω to Half Supply
(Note 12)
l
2
1.3
7.5 V/mV
V/mV