am79231 ETC-unknow, am79231 Datasheet - Page 12

• Manufacturer Part Number: am79231
• Description: Intelligent Subscriber Line Interface Circuit Islic
• Manufacturer: ETC-unknow

LINECARD PARTS LIST
Notes:
1. Value can be adjusted to suit application.
2. Can be looser for relaxed ring-trip requirements.
3. Required for metering > 2.2 Vrms, otherwise may be omitted.
4. DT2i is optional - Should be put if there is a chance that this chip may be replaced by Am79R251.
12
U1
U2
U5
DHi, DLi, DT1i, DT2i
RFAi, RFBi
RSAi, RSBi
RTi
RRXi
RREF
RMGLi, RMGPi
RSHB, RSLB
RHLai
RHLbi
RHLci
RHLdi
CHLbi
CHLdi
RMTi
RLGi
RTEST
CADi, CBDi
CBATHi, CBATLi
CHPi
CSi
CSSi
RGFDi
RSRBi, RSRc
KRi
1
3
Item
1
The following list defines the parts and part values required to meet target specification limits for
channel i of the linecard (i = 1, 2, 3, 4).
4
Am79231
Am79X22xx
TISP61089
Diode
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Capacitor
Capacitor
Resistor
Resistor
Resistor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Resistor
Resistor
Relay
Type
80.6 kΩ
69.8 kΩ
40.2 kΩ
4.32 kΩ
2.87 kΩ
2.87 kΩ
3.01 kΩ
6.04 kΩ
5 V Coil
100 mA
0.82 µF
100 kΩ
Value
200 kΩ
750 kΩ
100 nF
100 nF
750 kΩ
3.3 nF
510 Ω
22 nF
22 nF
56 pF
50 Ω
2 kΩ
1 kΩ
Am79231 Data Sheet
10%
10%
10%
20%
20%
20%
Tol.
2%
2%
1%
1%
1%
5%
1%
1%
1%
1%
1%
1%
1%
1%
5%
2%
2%
Rating
1/10 W
1/10 W
1/10 W
1/10 W
1/10 W
1/10 W
1/10 W
100 V
1/4 W
1/8 W
1/8 W
1/8 W
100 V
100 V
100 V
100 V
100 V
1/4 W
80 V
10 V
10 V
2 W
1 W
1 W
2 W
ISLIC device
ISLAC device
Transient Voltage Suppresser, Power Innova-
tions
50 ns
Fusible PTC protection resistors
Sense resistors
Current reference
Thermal management resistors
Battery Sense Resistors
Not Polarized
Ceramic
Metallic Current Sense Resistors
Longitudinal Current Sense Resistors
Test board
Ceramic, not voltage sensitive
Ceramic
Ceramic
Protector speed–up capacitor
Ceramic
1.2 W typ
Matched to within 0.2% for initial tolerance
and 0 to 70
17 mW typ
DPDT
°
C ambient temperature range.
Comments
2