(VD = 3.0 to 5.25 V, T
參數(shù)資料
型號： SI2400URT-EVB
廠商： Silicon Laboratories Inc
文件頁數(shù)： 45/94頁
文件大?。?/td> 0K
描述： BOARD EVAL FOR SI2400 ISOMODEM
標(biāo)準(zhǔn)包裝： 1
系列： ISOmodem®
主要目的： 電信，調(diào)制解調(diào)器
嵌入式： 否
已用 IC / 零件： SI2400
主要屬性： 雙路 RJ-11 連接至電話線路，音頻連接器
次要屬性： RS-232，TTL 串行和 USB 接口
已供物品： 板，調(diào)制解調(diào)器，電源
相關(guān)產(chǎn)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
其它名稱： 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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