LA8519M Datasheet, PDF (26/29 Pages) Sanyo Semicon Device – I/O Switch/Voice Signal-Processing IC for Cordless Telephones

LA8519M
Receiver Characteristics vs. Line Current (Power supplied)
2
V_CC = 5 V
1
V_IN = –20 dBV
fin = 1 kHz
0
Input: pin 48
–1
Output: TP65
–2
–3
–4
–5
–6 PAD-C: Grounded through 51 kΩ
–7
PAD-C: Grounded through 36 kΩ
–8
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140
Line current — mA
Receiver BTL Dynamic Range vs. Line Current (Power supplied)
12
V_CC = 5 V
THD = 10 %
11
fin = 1 kHz
Input: pin 48
Output: pins 37 and 38
10
RL = 3 kΩ
Receiver BTL Dynamic Range vs. Line Current (Power off)
10
V_CC = 0 V
9 _{THD = 10 %}
fin = 1 kHz
8
Input: pin 48
7 Output: pins 37 and 38
RL = 3 kΩ
6
5
4
3
2
1
0
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140
Line current — mA
Receiver Dynamic Range vs. Line Current (Power off)
2
V_CC = 0 V
THD = 10 %
fin = 1 kHz
1.5 ^{Input: pin 48}
Output: TP65
RL = 150 Ω
9
1
8
0.5
7
6
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140
Line current — mA
Receiver Dynamic Range vs. Line Current (Power supplied)
3
V_CC = 5 V
THD = 10 %
2.5
fin = 1 kHz
Input: pin 48
Output: TP65
2
RL = 150 Ω
1.5
0
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140
Line current — mA
KT Gain vs. Line Current (Power off)
12
V_CC = 0 V
V_IN = –40 dBV
11 fin = 1 kHz
Input: pin 39
Output: TP65
10
9
1
8
0.5
0
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140
Line current — mA
KT Gain vs. Line Current (Power supplied)
14
13
12
11
10
9
V_CC = 5 V
8
V_IN = –40 dBV
fin = 1 kHz
7
Input: pin 39
Output: TP65
6
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140
Line current — mA
7
6
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140
Line current — mA
Quiescent Current vs. Supply Voltage
30
25
Power ^{amplifier on}
20
Power ^{amplifier off}
15
10
5
3
4
5
6
7
8
9
Supply voltage, V_CC — V
No. 6471-26/29