LTC6910-1
LTC6910-2/LTC6910-3
8
6910123fa
The q denotes the specifications that apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VS = 5V, AGND = 2.5V, Gain = 1 (Digital Inputs 001), RL = 10k
to midsupply point, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
LTC6910-2C/LTC6910-2I
LTC6910-2H
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
Specifications for LTC6910-2 Only
DC Small-Signal Output Resistance
Gain = 0
0.4
Gain = 1
0.7
Gain = 2
1
Gain = 4
1.6
Gain = 8
2.8
Gain = 16
5
Gain = 32
10
Gain = 64
20
Gain-Bandwidth Product
Gain = 64, fIN = 200kHz
9
13
16
9
13
16
MHz
q
7
13
19
7
13
19
MHz
Wideband Noise (Referred to Input)
f = 1kHz to 200kHz
Gain = 0 Output Noise
3.8
VRMS
Gain = 1
10.7
VRMS
Gain = 2
7.3
VRMS
Gain = 4
5.3
VRMS
Gain = 8
4.6
VRMS
Gain = 16
4.2
VRMS
Gain = 32
4
VRMS
Gain = 64
3.6
VRMS
Voltage Noise Density (Referred to Input)
f = 50kHz
Gain = 1
24
nV/
√Hz
Gain = 2
16
nV/
√Hz
Gain = 4
12
nV/
√Hz
Gain = 8
10.3
nV/
√Hz
Gain = 16
9.4
nV/
√Hz
Gain = 32
9
nV/
√Hz
Gain = 64
8.1
nV/
√Hz
Total Harmonic Distortion
Gain = 8, fIN = 10kHz, VOUT = 1VRMS
–90
dB
0.003
%
Gain = 8, fIN = 100kHz, VOUT = 1VRMS
–77
dB
0.014
%
AGND (Common Mode) Input Voltage Range
VS = 2.7V
q
0.85
1.55
0.85
1.55
V
(Note 10)
VS = 5V
q
0.7
3.6
0.7
3.6
V
VS = ±5V
q
– 4.3
3.4
– 4.3
3.4
V