LTC6912
ELECTRICAL CHARACTERISTICS The ● 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, RL = 10k to midsupply point, unless
otherwise noted.
PARAMETER
CONDITIONS
C, I GRADES
MIN TYP MAX
H GRADE
MIN TYP MAX
UNITS
Specifications for the LTC6912-1 ONLY
Voltage Noise Density
(Referred to Input)
Total Harmonic Distortion
f = 50kHz
Gain = 1
Gain = 2
Gain = 5
Gain = 10
Gain = 20
Gain = 50
Gain = 100
Gain = 10, fIN = 10kHz, VOUT = 1VRMS
35.6
24.8
19.1
16.7
16
15.4
15.1
– 90
0.003
35.6
24.8
19.1
16.7
16
15.4
15.1
– 90
0.003
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
dB
%
Gain = 10, fIN = 100kHz,
VOUT = 1VRMS
Specifications for the LTC6912-2 ONLY
– 82
0.008
– 82
dB
0.008
%
Voltage Gain (Note 6)
VS = 2.7V, Gain = 1, RL = 10k
● –0.07
0
0.07 –0.08
0
0.07
dB
VS = 2.7V, Gain = 1, RL = 500Ω
● –0.11 –0.02 0.07 –0.13 –0.02 0.07
dB
VS = 2.7V, Gain = 2, RL = 10k
● 5.94 6.01 6.08 5.93 6.01 6.08
dB
VS = 2.7V, Gain = 4, RL = 10k
● 11.9 12.02 12.12 11.88 12.02 12.12
dB
VS = 2.7V, Gain = 8, RL = 10k
● 17.8 18.0 18.15 17.75 18.0 18.15
dB
VS = 2.7V, Gain = 8, RL = 500Ω
● 17.65 17.94 18.15 17.50 17.94 18.15
dB
VS = 2.7V, Gain = 16, RL =10k
● 23.8 24.01 24.25 23.75 24.01 24.25
dB
VS = 2.7V, Gain = 32, RL = 10k
● 29.7 30.0 30.2 29.65 30.0 30.2
dB
VS = 2.7V, Gain = 64, RL = 10k
● 35.4 35.8 36.2 35.15 35.8 36.2
dB
VS = 2.7V, Gain = 64, RL = 500Ω
● 34.15 35.3 36.0 33.40 35.3 36.0
dB
VS = 5V, Gain = 1, RL = 10k
VS = 5V, Gain = 1, RL = 500Ω
VS = 5V, Gain = 2, RL = 10k
VS = 5V, Gain = 4, RL = 10k
VS = 5V, Gain = 8, RL = 10k
VS = 5V, Gain = 8, RL = 500Ω
VS = 5V, Gain = 16, RL = 10k
VS = 5V, Gain = 32, RL = 10k
VS = 5V, Gain = 64, RL = 10k
VS = 5V, Gain = 64, RL = 500Ω
● –0.08
0
0.08 –0.09
0
0.08
dB
● –0.1 –0.01 0.08 –0.12 –0.01 0.08
dB
● 5.95 6.02 6.09 5.94 6.02 6.09
dB
● 11.85 12.02 12.15 11.83 12.02 12.15
dB
● 17.85 18.01 18.15 17.83 18.01 18.15
dB
● 17.65 17.96 18.15 17.50 17.96 18.15
dB
● 23.85 24.02 24.15 23.80 24.02 24.15
dB
● 29.70 30.02 30.2 29.65 30.02 30.2
dB
● 35.5 35.9 36.25 35.40 35.9 36.25
dB
● 34.6 35.6 36.0 33.8 35.6 36.0
dB
VS = ±5V, Gain = 1, RL = 10k
VS = ±5V, Gain = 1, RL = 500Ω
VS = ±5V, Gain = 2, RL = 10k
VS = ±5V, Gain = 4, RL = 10k
VS = ±5V, Gain = 8, RL = 10k
VS = ±5V, Gain = 8, RL = 500Ω
VS = ±5V, Gain = 16, RL = 10k
VS = ±5V, Gain = 32, RL = 10k
VS = ±5V, Gain = 64, RL = 10k
VS = ±5V, Gain = 64, RL = 500Ω
● –0.06 0.01 0.08 –0.07 0.01 0.08
dB
● –0.1
0
0.08 –0.11
0
0.08
dB
● 5.95 6.02 6.09 5.94 6.02 6.09
dB
● 11.9 12.03 12.15 11.88 12.03 12.15
dB
● 17.85 18.02 18.15 17.83 18.02 18.15
dB
● 17.80 17.99 18.15 17.73 17.99 18.15
dB
● 23.85 24.03 24.15 23.82 24.03 24.15
dB
● 29.85 30.0 30.2 29.8 30.0 30.20
dB
● 35.65 36.0 36.20 35.55 36.0 36.20
dB
● 35.15 35.8 36.10 34.45 35.8 36.10
dB
6912fa
8