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