U4090B-P Datasheet, PDF (21/35 Pages) ATMEL Corporation – Monolithic Integrated Feature Phone Circuit EMI Improved

U4090B-P
Figure 8-3. Typical Adjustment Range of Receive Gain (Differential Output)
10
8
6
4
2
0
-2
-4
0
10
20
30
40
50
60
70
80
RGR (kΩ)
Figure 8-4. Typical AGA Characteristic
0
-1
-2
R_AGA = 24k
-3
-4
R_AGA = 16k
-5
-6
-7
0
R_AGA = 20k
10 20
30
40
50 60
I_L (mA)
70 80 90 100
Figure 8-5.
Typical Load Characteristic of V_B for a Maximum (RDC = Infinity)
DC-characteristic and 3-mW Loudspeaker Output
6.0
5.0
4.0
3.0 _{IL = 15 mA}
2.0
I_L = 20 mA
I_L = 30 mA
1.0
0
0
2
4
6
8
10
12
14
16
18
I_B (mA)
RDC = Infinity; VI = 200 mV/1 kHz; PSAO = 3 mW;
IMP = 2 mA; IM = 300 µA; RGSA = 560k
21
4741C–CORD–11/05