參數(shù)資料
型號(hào)： L9215A
英文描述： CAP CER 2200PF 3.15KVDC R3 RAD
中文描述： 短回路正弦波振鈴用戶接口
文件頁(yè)數(shù)： 30/50頁(yè)
文件大小： 1115K
代理商： L9215A
Data Sheet
September 2001
Short-Loop Sine Wave Ringing SLIC
L9215A/G
30
Agere Systems Inc.
Supervision
(continued)
Power Ring
(continued)
Sine Wave Input Signal and Sine Wave Power Ring Signal Output
(continued)
During nonring modes, the sinusoidal ringing waveform may be left on at RING
IN
. Via the state table, the ring signal
will be removed from tip and ring even if the low-voltage input is still present at RING
IN
. There are certain timing
considerations that should be made with respect to state changes which are detailed in the Switching Behavior of
L9215 Ringing SLICApplication Note.
PWM Input Signal and Sine Wave Power Ring Signal Output
A pulse-width modulated (PWM) signal may be used to provide the ringing input to RING
IN
. The signal is applied
through a low-pass filter and ac-coupled into RING
IN
as shown below. This approach gives a sine wave output at
tip and ring.
12-3578bF
Figure 13. L9215/16 Ringing Input Circuit Selection Table for Square Wave and PWM Inputs
Table 23. Signal and Component Selection Chart
V
BAT
70 V
70 V
70 V
70 V
70 V
70 V
85 V
85 V
85 V
85 V
85 V
85 V
V
CC
5 V
3 V
5 V
3 V
5 V
3 V
5 V
3 V
5 V
3 V
5 V
3 V
Input
R1
C1
1
μ
F
1
μ
F
0.22
μ
F
0.22
μ
F
0.1
μ
F
0.1
μ
F
1
μ
F
1
μ
F
0.22
μ
F
0.22
μ
F
0.1
μ
F
0.1
μ
F
C2
CF
1.3
1.3
sine
sine
sine
sine
1.3
1.3
sine
sine
sine
sine
Typical 5 REN Ringing Voltage RMS
48 V
49 V
42 V
42 V
42 V
42 V
59 V
51 V
51 V
47 V
51 V
49 V
5 V Square
3 V Square
10 kHz PWM 5 V
10 kHz PWM 3 V
90 kHz PWM 5 V
90 kHz PWM 3 V
5 V Square
3 V Square
10 kHz PWM 5 V
10 kHz PWM 3 V
90 kHz PWM 5 V
90 kHz PWM 3 V
12 k
7 k
10 k
10 k
7 k
7 k
10 k
7 k
10 k
4 k
4 k
4 k
0.47
μ
F
0.47
μ
F
0.47
μ
F
0.47
μ
F
0.47
μ
F
0.47
μ
F
0.47
μ
F
0.47
μ
F
0.47
μ
F
0.47
μ
F
0.47
μ
F
0.47
μ
F
INPUT
R
1
C
1
C
2
RING
IN
L9215/16
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L9216A 制造商:AGERE 制造商全稱:AGERE 功能描述:Short-Loop Ringing SLIC with Ground Start
L9217A 制造商:AGERE 制造商全稱:AGERE 功能描述:Low-Cost Line Interface with Reverse Battery and PPM
L9218A 制造商:AGERE 制造商全稱:AGERE 功能描述:Low-Cost Line Interface
L9219A 制造商:AGERE 制造商全稱:AGERE 功能描述:Low-Cost Line Interface with Reverse Battery and Dual Current Limit
L9222 功能描述:功率驅(qū)動(dòng)器IC Quad Inv Tran Switch RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
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