FAB2210 Datasheet, PDF (8/35 Pages) Fairchild Semiconductor – Audio Subsystem with Class-G Headphone and 3.3W Mono Class-D Speaker with Dynamic Range Compression

Typical Performance Characteristics
System
Unless otherwise noted: audio BW=22Hz to 20KHz, f_IN=1KHz, DIFA=1, DIFB=0, HP_AMIX=0, HP_BMIX=1,
SP_AMIX=1, SP_BMIX=0, unused inputs are AC grounded, DRC is off, preamplifier gains=0dB, headphone
volume=0dB, headphone amplifier gain=0dB, speaker volume=0dB, SP_GAIN=00, edge-rate control is on, spread
spectrum is on, HP_NG_RAT=100, SP_NG_RAT=001, SRST=0, SDA and SCL pull-up voltage=DV_DD, Z_SPK
=8Ω+33µH, R_HP=32Ω, HP_HIZ=0, SV_DD=3.6V, DV_DD=1.8V, and T_A=25°C.
4
2.5
Speaker Amplifier Mode
Inputs AC grounded
HP_BMIX = 0
3.5
HP_NG_RAT[2:0] = 000
SP_NG_RAT[2:0] = 001
2
1.5
3
1
2.5
2
2.5
3
3.5
4
4.5
5
5.5
SVDD Voltage (V)
Figure 4. Quiescent Current vs. Supply Voltage
Speaker Amplifier Mode
0.5
Inputs AC grounded
HP_BMIX = 0
HP_NG_RAT[2:0] = 000
SP_NG_RAT[2:0] = 001
0
1.6
1.8
2
2.2
2.4
2.6
2.8
DVDD Voltage (V)
Figure 5. Quiescent Current vs. Supply Voltage
2
Headphone Amplifier Mode
Inputs AC grounded
SP_AMIX = 0
1.5
HP_NG_RAT[2:0] = 100
SP_NG_RAT[2:0] = 000
1
0.5
0
2.5
3
3.5
4
4.5
5
5.5
SVDD Voltage (V)
Figure 6. Quiescent Current vs. Supply Voltage
3.5
3
2.5
2
1.5
1
Headphone Amplifier Mode
Inputs AC grounded
0.5
SP_AMIX = 0
HP_NG_RAT[2:0] = 100
SP_NG_RAT[2:0] = 000
0
1.6
1.8
2
2.2
2.4
2.6
2.8
DVDD Voltage (V)
Figure 7. Quiescent Current vs. Supply Voltage
10
SRST = 1
9
8
7
6
5
4
3
2
1
2.5
3
3.5
4
4.5
5
5.5
SVDD Voltage (V)
Figure 8. Standby Current vs. Supply Voltage
20
18
16
14
12
10
8
6
4
2
0
-2
-4
0
5
10
15
20
25
30
Input Resistance (Kohm)
Figure 9. Input Resistance vs. Preamplifier Gain
© 2011 Fairchild Semiconductor Corporation
FAB2210 • Rev. 1.1.1
8
www.fairchildsemi.com