- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄364674 > AMIS-49200 Fieldbus MAU Chip PDF資料下載
參數(shù)資料
| 型號： | AMIS-49200 |
| 英文描述： | Fieldbus MAU Chip |
| 中文描述： | 現(xiàn)場總線MAU芯片 |
| 文件頁數(shù)： | 14/22頁 |
| 文件大小： | 492K |
| 代理商： | AMIS-49200 |
AMIS-49200 Fieldbus MAU
Data Sheet
14
AMI Semiconductor
– Jan. 07, M-20532-003
www.amis.com
N_PFail1
4
N_PFail2
5
SHSETIN
Low Voltage Detectors
VCC2
C3
VCC2
C4
SRSETIN
C1
R1
VDD
C2
R2
VDD
0.9*VREF
0.9*VREF
Figure 6: Low Voltage Detectors
If you do not use one of the regulators, the corresponding alarm signal can potentially be used to monitor another signal. For example,
if the series regulator is not used, SRAO should be left open, SRTR tied to VCC, VO grounded and SRSET left open. Then SRSETIN
can be the input for monitoring another voltage signal with N_PFAIL2.
4.2.4. Voltage Reference
The voltage reference circuitry generates two voltage signals, VREF and VMID. VREF comes from a bandgap circuit and is used as
the reference voltage for all circuits in AMIS-49200 Fieldbus MAU. The typical value for VREF is 1.181V. VREF also passes through
an analog switch, which is controlled by the test-mux control signals MS0-MS3. When MS0-MS3 are all at GND the analog switch is
closed and VREF is connected to Pin 2. If any of the signals MS0-MS3 are not at GND, the analog switch is open and Pin 2 will be
floating. When the analog switch controlling Pin 2 is closed and VREF is present at Pin 2, no load should be connected to this pin
(internal use only). See Figure 7 for the details.
An operational amplifier is regulating VMID to provide a bias (common) level for the AC signals. Its typical voltage is 2V. A capacitor
larger than 0.01
μ
F is necessary on VMID to remove high-frequency ripple.
MS0
VREF
39
43
42
2
MS1
MS2
41
Bandgap
VSS
VCC
VREFBG
To Test Mux
Control Inputs
Voltage Reference
Bandgap should have its own
ground trace or star connection
to system ground.
Vref=1.185V
(typ)
Tol. = +/- 2%
0.688R
163.1K
R
237K
Vmid
Vmid
3
Vmid Reference
VCC
A5
VREFBG
Figure 7: Bandgap and VMID Voltage Reference
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AMIS-50050 | Spread Spectrum Baseband Controller |
| AMIS-50051 | Digital Demodulator |
| AMIS-52000 | Single-Chip Radio Transceiver |
| AMIS-52100 | Transceiver with Clock and Data Recovery |
| AMIS-52100-A | Transceiver with Clock and Data Recovery |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AMIS-49200-XTD | 功能描述:總線收發(fā)器 FIELDBUS MAU PHY TRNSCVR RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| AMIS-49200-XTP | 功能描述:總線收發(fā)器 FIELDBUS MAU PHY TRNSCVR RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| AMIS-49250-XTD | 功能描述:總線收發(fā)器 Field Bus MAU Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| AMIS-49250-XTP | 功能描述:總線收發(fā)器 AMIS-49250 FIELDBUS MAU T RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| AMIS-492X0 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Fieldbus MAU |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。