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參數(shù)資料
| 型號(hào)： | MAX4899EETE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MULTIPLEXER DUAL 3X1 16TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 功能： | 多路復(fù)用器 |
| 電路： | 2 x 3:1 |
| 導(dǎo)通狀態(tài)電阻： | 7 歐姆 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 16-TQFN-EP（3x3） |
| 包裝： | 帶卷 (TR) |
MAX4899E/MAX4899AE
USB 2.0 High-Speed, Fault-Tolerant 3:1, 4:1
Multiplexers
______________________________________________________________________________________
11
ESD Protection
As with all Maxim devices, ESD-protection structures are
incorporated on all pins to protect against electrostatic
discharges encountered during handling and assembly.
The COMA+ and COMA- lines have extra protection
against static electricity. Maxim’s engineers have devel-
oped state-of-the-art structures to protect these pins
against ESD of ±15kV without damage. The ESD struc-
tures withstand high ESD in all states: normal operation,
tri-state output mode, and powered down. After an ESD
event, Maxim’s E-versions keep working without latch-
up, whereas competing products can latch and must be
powered down to remove latch-up.
Human Body Model
The MAX4899E/MAX4899AE COMA+ and COMA- pins
are characterized for ±15kV ESD protection using the
Human Body Model (MIL-STD-883, Method 3015).
Figure 9a shows the Human Body Model and Figure 9b
shows the current waveform it generates when dis-
charged into a low impedance. This model consists of
a 100pF capacitor charged to the ESD voltage of inter-
est, which is then discharged into the device through a
1.5k
Ω resistor.
COMA+
COMA-
USB0+
USB0-
USB2-
USB2+
USB1-
USB1+
USB3+
USB3-
USB
CONNECTOR
VBUS
D+
D-
GND
USB
TRANSCEIVER
AUDIO
HEADPHONE
AUXILIARY
INPUT
SERIAL DATA LINK
MAX4899AE
Figure 8. MAX4899AE Multiplexing Four Data Types
CHARGE-CURRENT-
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
100pF
RC 1M
Ω
RD 1500
Ω
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
Figure 9a. Human Body ESD Test Model
IP 100%
90%
36.8%
tRL
TIME
tDL
CURRENT WAVEFORM
PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
Ir
10%
0
AMPERES
Figure 9b. Human Body Model Current Waveform
Chip Information
PROCESS: BiCMOS
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