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參數(shù)資料
| 型號(hào)： | 73M1866B-KEYCHN |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 62/88頁(yè) |
| 文件大小： | 0K |
| 描述： | BOARD KEYCHAIN INF DANUBE EVM |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
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DS_1x66B_001
73M1866B/73M1966B Data Sheet
Rev. 1.6
65
The 73M1x66B can:
Shift the characteristics by setting the turn-on voltage.
Enable a current limit of 42 mA.
The 73M1x66B meets a wide range of different countries’ requirements under software control. See
Section 10.7.
There are two operating states for the DC-IV circuits: Hold and Seize.
0
2
4
6
8
10
12
14
5
9
15
20
30
40
50
60
70
80
90
96
110
T
ip
/R
in
g
V
o
lt
ag
e
DC Current, mA
DCVI Performance
DCIV=00
DCIV=01
DCIV=10
DCIV=11
Figure 34: Tip-Ring Voltage versus Current Using Different DCIV Settings
The Hold state is the nominal operational point for the DC-IV circuits. The response shown in Figure 34
is for the Hold state (both DC and AC transconductance circuits are enabled). The slope of the DC-IV
characteristics is approximately 50 Ω when the series resistance of a typical PPTC resettable fuse is
taken into account.
The Seize state is a condition that is used by some central offices to determine an off-hook condition. In
this state an additional load is added to the nominal operational DC-IV characteristics used during the
Hold state
In the Seize state (only the DC transconductance circuit is enabled), the turn-on voltage is reduced on the
line independent of the DCIV control bits. See Figure 35 and the description of the DCIV bits in
Section 10.6.
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| 73M1902-IM/F | 功能描述:電信線路管理 IC MicroDAA Chip Set Host Side RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類(lèi)型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| 73M1902-IMR/F | 功能描述:電信線路管理 IC MicroDAA Chip Set Host Side RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類(lèi)型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| 73M1902-IVT/F | 功能描述:電信線路管理 IC MicroDAA Chip Set Host Side RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類(lèi)型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| 73M1902-IVTR/F | 功能描述:電信線路管理 IC MicroDAA Chip Set Host Side RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類(lèi)型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| 73M1903 | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Soft Modem AFEs |
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