CS3301 Datasheet, PDF (5/16 Pages) Cirrus Logic – Low-noise, Programmable Gain, Differential Amplifier

CS3301
THERMAL CHARACTERISTICS
Parameter
Allowable Junction Temperature
Junction to Ambient Thermal Impedance
Ambient Operating Temperature (Power Applied)
Symbol Min
Typ
Max
Unit
-
-
135
ºC
Θ_JA
-
65
-
ºC / W
T_A
-40
-
+85
ºC
ANALOG CHARACTERISTICS
Parameter
Noise Performance, Normal
Input Voltage Noise
f₀ = 0.1 Hz to 10 Hz
Input Voltage Noise Density
f₀ = 0.1 Hz to 2 kHz
Input Current Noise Density
(Note 4)
Noise Performance, Low Power (LPWR=1)
Input Voltage Noise
f₀ = 0.1 Hz to 10 Hz
Input Voltage Noise Density
f₀ = 0.1 Hz to 2 kHz
Input Current Noise Density
(Note 4)
Distortion Performance, Normal
Total Harmonic Distortion
(Note 5, 6)
Linearity
(Note 5, 6)
Distortion Performance, Low Power (LPWR=1)
Total Harmonic Distortion
(Note 5, 6)
Linearity
(Note 5, 6)
Symbol
VN_PP
VN_D
IN_D
VN_PP
VN_D
IN_D
THD
LIN
THD
LIN
CS3301
Min
Typ
Max
Unit
-
0.20 0.40
µV_p-p
-
8.5
12.0
nV/ Hz
-
100
-
fA/ Hz
-
0.25 0.50
µV_p-p
-
10.0
15.0
nV/ Hz
-
100
-
fA/ Hz
-
-118 -112
dB
-
0.000126 0.000251
%
-
-118 -110
dB
-
0.000126 0.000316
%
Notes: 4. Guaranteed by design and/or characterization.
5. Tested with a full scale input signal of 31.25 Hz.
6. Noise in the harmonic bins dominates THD and linearity measurements for x16, x32, x64 gains.
CS3301 In-Band Noise
20
15
10
5
0
0 200 400 600 800 1000 1200 1400 1600 1800 2000
Frequency (Hz)
CS3301 Wide Band Noise
300
250
200
150
100
50
0
0.1
1
10 100 1000 10000 100000 1E+06
Frequency (Hz)
Figure 1. CS3301 Noise Performance
DS595F2
5