Datasheet

LTC6910-1
LTC6910-2/LTC6910-3
6
6910123fa
The ● denotes the specifications that apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
S
= 5V, AGND = 2.5V, Gain = 1 (Digital Inputs 001), R
L
= 10k
to midsupply point, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
LTC6910-1C/LTC6910-1I LTC6910-1H
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNIT
Specifications for LTC6910-1 Only
DC Small-Signal Output Resistance Gain = 0 0.4 0.4 Ω
Gain = 1 0.7 0.7 Ω
Gain = 2 1 1 Ω
Gain = 5 1.9 1.9 Ω
Gain = 10 3.4 3.4 Ω
Gain = 20 6.4 6.4 Ω
Gain = 50 15 15 Ω
Gain = 100 30 30 Ω
Gain-Bandwidth Product Gain = 100, f
IN
= 200kHz 8 11 14 8 11 14 MHz
● 6 11 16 5 11 16 MHz
Wideband Noise (Referred to Input) f = 1kHz to 200kHz
Gain = 0 Output Noise 3.8 3.8 µV
RMS
Gain = 1 10.7 10.7 µV
RMS
Gain = 2 7.3 7.3 µV
RMS
Gain = 5 5.2 5.2 µV
RMS
Gain = 10 4.5 4.5 µV
RMS
Gain = 20 4.2 4.2 µV
RMS
Gain = 50 3.9 3.9 µV
RMS
Gain = 100 3.4 3.4 µV
RMS
Voltage Noise Density (Referred to Input) f = 50kHz
Gain = 1 24 24 nV/√Hz
Gain = 2 16 16 nV/√Hz
Gain = 5 12 12 nV/√Hz
Gain = 10 10 10 nV/√Hz
Gain = 20 9.4 9.4 nV/√Hz
Gain = 50 8.7 8.7 nV/√Hz
Gain = 100 7.6 7.6 nV/√Hz
Total Harmonic Distortion Gain = 10, f
IN
= 10kHz, V
OUT
= 1V
RMS
–90 –90 dB
0.003 0.003 %
Gain = 10, f
IN
= 100kHz, V
OUT
= 1V
RMS
–77 –77 dB
0.014 0.014 %
AGND (Common Mode) Input Voltage Range V
S
= 2.7V ● 0.55 1.6 0.7 1.5 V
(Note 10) V
S
= 5V ● 0.7 3.65 1 3.25 V
V
S
= ±5V ● –4.3 3.5 –4.3 3.35 V