参数资料
型号: SI2400URT-EVB
厂商: Silicon Laboratories Inc
文件页数: 45/94页
文件大小: 0K
描述: BOARD EVAL FOR SI2400 ISOMODEM
标准包装: 1
系列: ISOmodem®
主要目的: 电信,调制解调器
嵌入式:
已用 IC / 零件: SI2400
主要属性: 双路 RJ-11 连接至电话线路,音频连接器
次要属性: RS-232,TTL 串行和 USB 接口
已供物品: 板,调制解调器,电源
相关产品: SI2400-BS-ND - IC ISOMODEM SYSTEM-SIDE 16SOIC
SI2400-FS-ND - IC ISOMODEM SYST-SIDE DAA 16SOIC
336-1093-ND - IC ISOMODEM SYSTEM-SIDE 16SOIC
其它名称: 336-1166
Si2400
Rev. 1.3
5
Table 2. Loop Characteristics
(VD = 3.0 to 5.25 V, TA = 0 to 70°C for K-Grade and –40 to 85°C for B-Grade, See Figure 1)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
DC Termination Voltage
VTR
IL =20 mA, ACT
1 =1
b
DCT = 11b (CTR21)
——
7.5
V
DC Termination Voltage
VTR
IL =42 mA, ACT=1b
DCT = 11b (CTR21)
——
14.5
V
DC Termination Voltage
VTR
IL =50 mA, ACT=1b
DCT = 11b (CTR21)
——
40
V
DC Termination Voltage
VTR
IL =60 mA, ACT=1b
DCT = 11b (CTR21)
40
V
DC Termination Voltage
VTR
IL =20 mA, ACT=0b
DCT = 01b (Japan)
——
6.0
V
DC Termination Voltage
VTR
IL =100 mA, ACT= 0b
DCT = 01b (Japan)
9—
V
DC Termination Voltage
VTR
IL =20 mA, ACT=0b
DCT = 10b (FCC)
——
7.5
V
DC Termination Voltage
VTR
IL =100 mA, ACT= 0b
DCT = 10b (FCC)
9—
V
DC Termination Voltage
VTR
IL =15 mA, ACT=0b
DCT = 00b
(Low Voltage)
——
5.2
V
On Hook Leakage Current2
ILK
VTR = –48V
7
A
Operating Loop Current
ILP
FCC/Japan Modes
13
120
mA
Operating Loop Current
ILP
CTR21 Mode
13
60
mA
DC Ring Current2
DC current flowing
through ring detection
circuitry
——
7
A
Ring Detect Voltage3
VRD
RT = 0b
11
22
VRMS
Ring Detect Voltage3
VRD
RT = 1b
17
33
VRMS
Ring Frequency4
FR
15
68
Hz
Ringer Equivalence Number5
REN
0.2
Notes:
1. SF[4] (ACT); SF5[3:2] (DCT); SF5[0] (RT).
2. R25 and R26 installed.
3. The ring signal is guaranteed to not be detected below the minimum. The ring signal is guaranteed to be detected
above the maximum.
4. The Si2400 ring detector can be programmed to detect rings between this range.
5. C15, R14, Z2, and Z3 not installed. SF5[1] (RZ) = 0b. See "Ringer Impedance" on page 80.
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