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參數(shù)資料
| 型號： | CYG2217 |
| 廠商： | IXYS Integrated Circuits Division |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MOD PHONE LINE WIRE 1.07" PCB |
| 標準包裝： | 18 |
| 系列： | Cybergate™ |
| 功能： | 數(shù)據(jù)存取裝置（DAA） |
| 電路數(shù)： | 1 |
| 電源電壓： | 5V |
| 電流 - 電源： | 5mA |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 18-DIP 模塊（0.850"，21.59mm）9 引線 |
| 供應(yīng)商設(shè)備封裝： | 18-DIP |
| 包裝： | 管件 |
| 包括： | 電子電感器和回轉(zhuǎn)器，低功率摘機或掛機開關(guān)，振鈴檢測器，電涌保護 |
INTEGRATED CIRCUITS DIVISION
3
www.ixysic.com
R02
CYG2217
1.4 Ring Detection Circuit Electrical Characteristics @ 25°C (Unless Otherwise Noted)
1.5 Surge and Isolation Electrical Characteristics @ 25°C (Unless Otherwise Noted)
1.6 Test Circuits
1.7 CYG2217 Pinouts and Definitions
Parameter
Conditions
Minimum
Typical
Maximum
Units
Ringing Voltage Detection Range
-
20
-
150
Vrms
Ringing Frequency Detection Range
-
15
-
70
Hz
Ringer Equivalence Number
-
-0.8B-
-
RING (Pin 5) Output Voltage (Pulsed)
Logic “0”, Ring Present
@ VCC = +5V
--
0.8
V
Logic “1”, Ring Not Present
--
VCC
Parameter
Conditions
Minimum
Typical
Maximum
Units
Surge Protection Voltage Tip & Ring (Pins 1, 2)
-
--
300
V
Isolation Voltage, Pins (18, 17, 16, 15, 14, 5, 4) to (1, 2)
Per FCC 68.302
1000
-
Vrms
Pinouts
Pin
Name
Function
1
TIP
Connection to telephone line Tip connected through an external fuse.
2
RING
Connection to telephone line Ring conductor.
4
OH
Driving this pin high asserts the off-hook condition. The hook switch
LED is current limited by an internal 300
resistor
5
RI
Active LOW indicates an incoming ring signal. This is pulsed LOW by
the AC ring signal, and is not a steady state LOW during ringing.
14
RCV
Provides the analog output signal from the 2-4 wire converter of the
CYG2217. RCV uses a 2.5 volt reference signal, and therefore must be
capacitively coupled to host equipment that uses a ground reference.
15
NC
No Connection
16
VCC
Provides power to the CYG2217. Typically +5V, VCC should not exceed
20V.
17
XMIT+
Provides the analog input signal from the 2-4 wire converter of the
CYG2217. XMIT+ uses a 2.5 volt reference signal, and therefore must
be capacitively coupled to host equipment that uses a ground reference.
18
GND
Connection to host system ground.
Test Circuit 1: CYG2217 Transmit Insertion Loss
10H
-V
BATT
+V
BATT
I
LOOP
V
LT
TIP
RING
OH
RI
XMIT+
V
CC
NC
RCV
GND
Transmit Insertion Loss = G
TR = 20Log
V
LT
V
T
+5V
600
Ω
600
Ω
AC
Source
Test Circuit 2: CYG2217 Receive Insertion Loss
AC
Source
600
Ω
10H
+V
BATT
-V
BATT
I
LOOP
V
LR
+5V
TIP
RING
OH
RI
XMIT+
V
CC
NC
RCV
GND
Receive Insertion Loss = G
RC = 20Log
V
R
V
LR
V
R
Top View
18
17
1
2
4
5
GND
XMIT+
RCV
14
16
15
VCC
NC
TIP
RING
OH
RI
CYG2217
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