STLC3065Q STMicroelectronics, STLC3065Q Datasheet - Page 13

• Manufacturer Part Number: STLC3065Q
• Manufacturer: STMicroelectronics

Specifications of STLC3065Q

• Number Of Channels: 1
• On-hook Transmission: Yes
• Polarity Reversal: Yes
• On-chip Ring Relay Driver: Yes
• Operating Temp Range: -40C to 85C
• Package Type: TQFP
• Operating Temperature Classification: Industrial
• Pin Count: 44
• Mounting: Surface Mount
• Operating Supply Voltage (min): 5.5V
• Lead Free Status / RoHS Status: Not Compliant

EXTERNAL COMPONENTS
RTTX (3)
CTTX (3)
CCOMP
CVpos
CSVR
ZA (1)
ZB (1)
CREV
CVCC
Name
RREF
RLIM
RDD
CAC
RTH
CVB
ZAC
RLV
CFL
RD
CH
RP
RS
CS
CV
Bias setting current
Negative Battery Filter
Ring Trip threshold setting
resistor
AC/DC split capacitance
Line protection resistor
Protection and series switches
resistance image
Two wire AC impedance
SLIC impedance balancing
network
Line impedance balancing
network
AC feedback loop compensation
Trans-Hybrid Loss frequency
compensation
Current limiting programming
Off-hook threshold programming
(ACTIVE mode)
Reverse polarity transition time
programming
Pulse metering cancellation
resistor
Pulse metering cancellation
capacitor
Pulse metering level resistor
Pulse metering shaping
capacitor
Pulse metering filter capacitor
Pull up resistors
Internally supply filter capacitor
Positive supply filter capacitor
with low impedance for switch
mode power supply
Battery supply filter capacitor
with low impedance for switch
mode power supply
High frequency noise filter
Function
RREF = 1.3/Ibias
Ibias = 50 A
CSVR = 1/(2
fp = 50Hz
RD = 100/I
2K
Rp > 30
RS = 100 (Rp + 9 )
ZAC = 50 (Zs - 2Rp - 18 )
ZA = 50 Zs
ZB = 50 Zl
CCOMP = 1/(2 fo 100 (RP+9 ))
fo = 250kHz
CH = CCOMP
RLIM = 1300/Ilim
32.5k
RTH = 260/I
27k
CREV = (1/3750)
RTTX = 50Re[(Zlttx+2Rp+18 )]
CTTX = 1/{50 2 fttx[-lm(Zlttx)]}
RLV = 63.3 10
CS = /(2 RLV)
CFL = 2/(2 fttx RLV)
= (|Zlttx + 2Rp + 18 |/|Zlttx|)
< RD < 5K
< RTH < 52k
< RLIM < 65k
RTH
Formula
TH
3
fp 1.8M )
V
LOTTX
T/ V
TR
)
@ = 6ms, RLV = 27.1k
@ V
100 F 20% 100V (5)
100nF 10% 10V (2)
@ Zlttx = 200
@Zlttx = 200
470nF 20% 100VL
5k @ Rp = 41
120pF 10% 10VL
120pF 10% 10VL
@ IRTH = 24mA
22 F 20% 15VL
@ RD = 4.12k
100nF 10% 10V
100nF 20% 10V
@ Ilim = 25mA
22nF 10% 10V
LOTTX
@fttx = 12kHz
1nF 10% 10V
@ Zs = 600
@ Zs = 600
@ Zl = 600
@ Rp = 41
@I
RLV = 27k
Typ. Value
1.5nF 10%
4.12k
52.3k
28.7k
@ 12V/ms
26k
25k
30k
30k
27k
100 F(4)
41
100VL
100k
TH
15k
= 275mVrms
= 9mA
1%
1%
1%
1%
1%
1%
1%
1%
1%
STLC3065
real
real
13/27