參數(shù)資料
型號: 73M1916-IVTR/F
廠商: Maxim Integrated Products
文件頁數(shù): 26/88頁
文件大?。?/td> 0K
描述: MICRODAA SET FXO OF VOIP 20TSSOP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1
系列: MicroDAA™
功能: 數(shù)據(jù)存取裝置(DAA)
接口: PCM,SPI
電路數(shù): 1
電源電壓: 3 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 20-TSSOP
包裝: 標準包裝
包括: *
其它名稱: 73M1916-IVTR/FDKR
73M1866B/73M1966B Data Sheet
DS_1x66B_001
32
Rev. 1.6
4.4
Isolation Barrier Pulse Transformer
The isolation element used by the 73M1x66B is a standard digital pulse transformer. Several vendors
supply compatible transformers with up to 6000 V ratings. Since the transformer is the only component
crossing the isolation barrier other than EMI capacitors that may be required, it solely determines the
isolation between the PSTN and the FXO’s digital interface. This method of isolation is significantly
superior to other isolation techniques with major advantages in high common mode voltage operation,
lower radiated noise (EMI) and improved operation in noisy environments. Table 29 lists some pulse
transformers compatible with the 73M1x66B. The table also includes low-voltage transformers that offer
low-cost alternatives if such voltages are sufficient.
Table 29: Compatible Pulse Transformer Sources
Company
Number
Sumida
ESMIT 4180
ESMIT 4181
Wurth Electronics Midcom Inc.
750110001
UMEC
TG-UTB01543S
Datatronics
PT79280
AAsupreme
P950003
Table 30 lists some of the typical pulse transformer specifications used by the 73M1x66B. Contact the
manufacturer directly for product information.
Table 30: Pulse Transformer Electrical Characteristics
Parameter
Test Condition
Min
Nom
Max
Tolerance
Unit
Inductance
100 kHz, 10 mVAC, 1-2, Ls.
54
60
200
μH
Interwinding
Capacitance
6
pF
Turn Ratio
1:1
±2 %
N/A
DC Resistance
Primary
0.25
Ω
Secondary
0.25
Ω
Dielectric Breakdown
Voltage
1 sec
2000
3750
Vrms
ET Constant
1.2
V
μs
Surge Test
1.2 x 50
μs
2800
6000
V
Operating Temperature
-40
85
°C
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73M1966B-IM/F 制造商:Maxim Integrated Products 功能描述: