Datasheet

TS419-TS421
21/32
Fig. 68: Signal to Noise Ratio vs Power Supply
Voltage with Unweighted Filter (20Hz to 20kHz)
Fig. 70: Noise Floor
Fig. 72: PSRR vs Power Supply Voltage
Fig. 69: Signal to Noise Ratio vs Power Supply
Voltage with Weighted Filter Type A
Fig. 71: Noise Floor
Fig. 73: PSRR vs Input Capacitor
2.0 2.5 3.0 3.5 4.0 4.5 5.0
70
75
80
85
90
Av = 4
Cb = 1µF
THD+N < 0.5%
Tamb = 25°C
RL=32Ω
RL=16Ω
RL=8Ω
Signal to Noise Ratio (dB)
Power Supply Voltage (V)
100 1000 10000
0
10
20
30
40
Standby=OFF
Standby=ON
RL>=16 Ω
Vcc=5V
Av=4
Cb = 1 µ F
Input Grounded
Bw < 125kHz
Tamb=25 ° C
20k20
Noise Floor ( VRms)
Frequency (Hz)
100 1000 10000 100000
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 2V
Vcc = 5V, 3.3V & 2.5V
Vripple = 100mVrms
Rfeed = 40kΩ
Input = floating
Cb = 1µF
RL >= 16Ω
Tamb = 25°C
PSRR (dB)
Frequency (Hz)
2.0 2.5 3.0 3.5 4.0 4.5 5.0
75
80
85
90
95
100
Av = 4
Cb = 1 µ F
THD+N < 0.5%
Tamb = 25 ° C
RL=32 Ω
RL=16 Ω
RL=8 Ω
Signal to Noise Ratio (dB)
Power Supply Voltage (V)
100 1000 10000
0
10
20
30
40
Standby=OFF
Standby=ON
RL>=16 Ω
Vcc=2V
Av=4
Cb = 1 µ F
Input Grounded
Bw < 125kHz
Tamb=25 ° C
20k20
Noise Floor ( VRms)
Frequency (Hz)
100 1000 10000 100000
-60
-50
-40
-30
-20
-10
0
Cin = 100nF
Cin = 1µF, 220nF
Vripple = 200mVpp
Av = 4, Vcc = 5V
Input = grounded
Cb = 1µF, Rin = 20kΩ
RL >= 16Ω
Tamb = 25°C
PSRR (dB)
Frequency (Hz)