CS3302 Datasheet, PDF (5/15 Pages) Cirrus Logic – HIGH Z PROGRAMMABLE GAIN DIFFERENTIAL AMPLIFIER

CS3302
THERMAL CHARACTERISTICS
Parameter
Allowable Junction Temperature
Junction to Ambient Thermal Impedance
Ambient Operating Temperature (Power Applied)
Symbol
Θ_JA
T_A
CS3302
Min
Typ
Max
-
-
135
-
65
-
-40
-
+85
Unit
ºC
ºC / W
ºC
ANALOG CHARACTERISTICS
Parameter
Noise Performance, Normal Power
Input Voltage Noise
f₀ = 0.1 Hz to 10 Hz
Input Voltage Noise Density
f₀ = 200 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 = 200 Hz to 2 kHz
Input Current Noise Density
(Note 4)
Distortion Performance, Normal Power
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
CS3302
Min
Typ
Max
Unit
-
1
1.5
µV_p-p
-
8.5
12
nV/ Hz
-
1
-
fA/ Hz
-
1
1.5
µV_p-p
-
10
15
nV/ Hz
-
1
-
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, and x64 gains.
CS3302 In-Band Noise
20
15
10
5
0
0 200 400 600 800 1000 1200 1400 1600 1800 2000
Frequency (Hz)
CS3302 Wide Band Noise
300
250
200
150
100
50
0
0.1
1
10 100 1000 10000 100000 1E+06
Frequency (Hz)
Figure 1. CS3302 Noise Performance
5