Datasheet
LTC6910-1
LTC6910-2/LTC6910-3
7
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
LTC6910-2C/LTC6910-2I LTC6910-2H
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNIT
Specifications for LTC6910-2 Only
Voltage Gain (Note 7) V
S
= 2.7V, Gain = 1, R
L
= 10k ● – 0.06 0 0.08 –0.07 0 0.08 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 ● 5.96 6.02 6.1 5.95 6.02 6.1 dB
V
S
= 2.7V, Gain = 4, R
L
= 10k ● 11.9 12.02 12.12 11.9 12.02 12.12 dB
V
S
= 2.7V, Gain = 8, R
L
= 10k ● 17.8 17.98 18.15 17.8 17.98 18.15 dB
V
S
= 2.7V, Gain = 8, R
L
= 500Ω ● 17.65 17.95 18.15 17.55 17.95 18.15 dB
V
S
= 2.7V, Gain = 16, R
L
= 10k ● 23.75 24 24.2 23.75 24 24.2 dB
V
S
= 2.7V, Gain = 32, R
L
= 10k ● 29.7 30 30.2 29.65 30 30.2 dB
V
S
= 2.7V, Gain = 64, R
L
= 10k ● 35.3 35.75 36.2 35.2 35.75 36.2 dB
V
S
= 2.7V, Gain = 64, R
L
= 500Ω ● 34.2 35.3 36.2 33.7 35.3 36.2 dB
V
S
= 5V, Gain = 1, R
L
= 10k ● –0.06 0 0.08 –0.06 0 0.08 dB
V
S
= 5V, Gain = 1, R
L
= 500Ω ● –0.1 –0.01 0.08 –0.11 –0.01 0.08 dB
V
S
= 5V, Gain = 2, R
L
= 10k ● 5.96 6.02 6.1 5.96 6.02 6.1 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 = 8, R
L
= 10k ● 17.85 18 18.15 17.85 18 18.15 dB
V
S
= 5V, Gain = 8, R
L
= 500Ω ● 17.65 17.9 18.15 17.6 17.9 18.15 dB
V
S
= 5V, Gain = 16, R
L
= 10k ● 23.85 24 24.15 23.78 24 24.15 dB
V
S
= 5V, Gain = 32, R
L
= 10k ● 29.7 30 30.2 29.7 30 30.2 dB
V
S
= 5V, Gain = 64, R
L
= 10k ● 35.6 35.9 36.2 35.5 35.9 36.2 dB
V
S
= 5V, Gain = 64, R
L
= 500Ω ● 34.8 35.5 36 34.2 35.5 36 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 6.1 5.96 6.02 6.1 dB
V
S
= ±5V, Gain = 4, R
L
= 10k ● 11.9 12.02 12.15 11.9 12.02 12.15 dB
V
S
= ±5V, Gain = 8, R
L
= 10k ● 17.85 18 18.15 17.85 18 18.15 dB
V
S
= ±5V, Gain = 8, R
L
= 500Ω ● 17.80 17.95 18.1 17.72 17.95 18.1 dB
V
S
= ±5V, Gain = 16, R
L
= 10k ● 23.85 24 24.15 23.8 24 24.15 dB
V
S
= ±5V, Gain = 32, R
L
= 10k ● 29.85 30 30.15 29.78 30 30.15 dB
V
S
= ±5V, Gain = 64, R
L
= 10k ● 35.7 35.95 36.2 35.7 35.95 36.2 dB
V
S
= ±5V, Gain = 64, R
L
= 500Ω ● 35.2 35.8 36.2 34.8 35.8 36.2 dB
Offset Voltage Magnitude (Internal Op Amp) ● 1.5 9 1.5 11 mV
(V
OS(OA)
) (Note 8)
Offset Voltage Drift (Internal Op Amp) (Note 8) ● 68µV/°C
Offset Voltage Magnitude Gain = 1 ● 3 15 3 17 mV
(Referred to “IN” Pin) (V
OS(IN)
) Gain = 8 ● 2 10 2 12 mV
DC Input Resistance (Note 9) DC V
IN
= 0V
Gain = 0 >100 >100 MΩ
Gain = 1 ● 10 10 kΩ
Gain = 2
● 55kΩ
Gain = 4
● 2.5 2.5 kΩ
Gain = 8, 16, 32, 64
● 1.25 1.25 kΩ