Datasheet
LTC6910-1
LTC6910-2/LTC6910-3
9
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
LTC6910-3C/LTC6910-3I LTC6910-3H
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNIT
Specifications for LTC6910-3 Only
Voltage Gain (Note 7) V
S
= 2.7V, Gain = 1, R
L
= 10k ● – 0.05 0 0.07 –0.05 0 0.09 dB
V
S
= 2.7V, Gain = 1, R
L
= 500Ω ● –0.1 –0.02 0.06 –0.11 –0.02 0.06 dB
V
S
= 2.7V, Gain = 2, R
L
= 10k ● 5.93 6.02 6.08 5.93 6.02 6.09 dB
V
S
= 2.7V, Gain = 3, R
L
= 10k ● 9.35 9.5 9.7 9.35 9.5 9.75 dB
V
S
= 2.7V, Gain = 4, R
L
= 10k ● 11.9 11.98 12.2 11.9 11.98 12.2 dB
V
S
= 2.7V, Gain = 4, R
L
= 500Ω ● 11.8 11.98 12.2 11.75 11.98 12.2 dB
V
S
= 2.7V, Gain = 5, R
L
= 10k ● 13.85 13.92 14.05 13.8 13.92 14.05 dB
V
S
= 2.7V, Gain = 6, R
L
= 10k ● 15.4 15.5 15.6 15.4 15.5 15.6 dB
V
S
= 2.7V, Gain = 7, R
L
= 10k ● 16.7 16.85 17 16.7 16.85 17 dB
V
S
= 2.7V, Gain = 7, R
L
= 500Ω ● 16.55 16.8 17 16.47 16.8 17 dB
V
S
= 5V, Gain = 1, R
L
= 10k ● –0.05 0 0.07 –0.05 0 0.07 dB
V
S
= 5V, Gain = 1, R
L
= 500Ω ● –0.1 –0.01 0.08 –0.1 – 0.01 0.08 dB
V
S
= 5V, Gain = 2, R
L
= 10k ● 5.96 6.02 6.08 5.96 6.02 6.08 dB
V
S
= 5V, Gain = 3, R
L
= 10k ● 9.45 9.54 9.65 9.45 9.54 9.65 dB
V
S
= 5V, Gain = 4, R
L
= 10k ● 11.85 12.02 12.15 11.85 12.02 12.15 dB
V
S
= 5V, Gain = 4, R
L
= 500Ω ● 11.8 11.95 12.15 11.75 11.95 12.15 dB
V
S
= 5V, Gain = 5, R
L
= 10k ● 13.8 13.95 14.05 13.8 13.95 14.05 dB
V
S
= 5V, Gain = 6, R
L
= 10k ● 15.35 15.5 15.65 15.35 15.5 15.65 dB
V
S
= 5V, Gain = 7, R
L
= 10k ● 16.7 16.85 17 16.7 16.85 17 dB
V
S
= 5V, Gain = 7, R
L
= 500Ω ● 16.6 16.8 17 16.5 16.8 17 dB
V
S
= ±5V, Gain = 1, R
L
= 10k ● –0.06 0 0.07 –0.06 0 0.07 dB
V
S
= ±5V, Gain = 1, R
L
= 500Ω ● –0.1 –0.01 0.08 –0.12 –0.01 0.08 dB
V
S
= ±5V, Gain = 2, R
L
= 10k ● 5.96 6.02 6.08 5.96 6.02 6.08 dB
V
S
= ±5V, Gain = 3, R
L
= 10k ● 9.4 9.54 9.65 9.4 9.54 9.65 dB
V
S
= ±5V, Gain = 4, R
L
= 10k ● 11.85 12 12.2 11.85 12 12.2 dB
V
S
= ±5V, Gain = 4, R
L
= 500Ω ● 11.8 12 12.2 11.8 12 12.2 dB
V
S
= ±5V, Gain = 5, R
L
= 10k ● 13.8 13.95 14.1 13.8 13.95 14.1 dB
V
S
= ±5V, Gain = 6, R
L
= 10k ● 15.35 15.5 15.7 15.35 15.5 15.7 dB
V
S
= ±5V, Gain = 7, R
L
= 10k ● 16.7 16.85 17.05 16.7 16.85 17.05 dB
V
S
= ±5V, Gain = 7, R
L
= 500Ω ● 16.65 16.8 17 16.6 16.8 17 dB
Offset Voltage Magnitude (Internal Op Amp) ● 1.5 8 1.5 8 mV
(V
OS(OA)
) (Note 8)
Offset Voltage Drift (Internal Op Amp) (Note 8) ● 68µV/°C
Offset Voltage Magnitude Gain = 1 ● 3 15 3 15 mV
(Referred to “IN” Pin) (V
OS(IN)
) Gain = 4 ● 1.9 10 1.9 10 mV
DC Input Resistance (Note 9) DC V
IN
= 0V
Gain = 0 >100 >100 MΩ
Gain = 1
● 10 10 kΩ
Gain = 2
● 55kΩ
Gain = 3
● 3.3 3.3 kΩ
Gain = 4
● 2.5 2.5 kΩ
Gain = 5
● 22kΩ
Gain = 6
● 1.7 1.7 kΩ
Gain = 7
● 1.4 1.4 kΩ