AM79C202 Legerity, AM79C202 Datasheet - Page 33

• Manufacturer Part Number: AM79C202
• Description: (AM79C202 / AM79212) PCM CODEC
• Manufacturer: Legerity

Notes:
*
** Can be looser for relaxed ring trip requirements. 1% match (each resistor ±0.5%) gives 1.275 mA uncertainty in ringing current
U1
U2
U3
D1
RFA, RFB
RSA, RSB
RSR1, RSR2
RGFD1
RRX, RT*
RBAT1, RBAT2
RAB
RREF
RTMG *
RM*
RTEST
CDIF
CAD, CBD *
CBAT
CHP
CB
CDC1
CM*
CS *
K1, K2, K3, K4
Value can be adjusted to suit application.
sensing.
Item
ASLIC device
ASLAC device
LCP150S
Diode
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Relay
Type
Table 10. ASLIC/ASLAC Devices Linecard Parts List
16.9 kΩ
35.7 kΩ
7.87 kΩ
3.16 kΩ
100 mA
200 kΩ
750 kΩ
365 kΩ
1200 Ω
5 V coil
Value
150 nF
220 nF
100 nF
100 nF
1.0 µF
1.8 nF
510 Ω
10 nF
22 nF
50 Ω
3 kΩ
ASLIC/ASLAC Products
Tol.
20%
10%
20%
20%
20%
20%
10%
20%
2%
2%
2%
2%
1%
1%
1%
1%
5%
1%
1%
Rating
100 V
1/4 W
1/4 W
1/8 W
1/8 W
1/8 W
1/8 W
1/8 W
100 V
100 V
100 V
100 V
100 V
2 W
2 W
4 W
5 W
5 V
5 V
5 V
Transient Voltage Suppressor, SGS-Thomson
50 ns
Fusible protection resistors
Sense resistors
Matched to within 0.2% for initial tolerance
and 0°C to 70°C ambient temperature range.**
17 mW typ
1.2 W typ
<1 mW
2.5 mW typ
<1 mW
<1 mW
Application dependent
<1 mW
Used only if ringing tests are required
Ceramic
Ceramic, not voltage sensitive
Ceramic, VBAT typ
Ceramic, VBAT typ
Ceramic, 0.5 Vbat typ
Ceramic
Ceramic
Protector speed up capacitor
DPDT
Comments
33