參數(shù)資料
型號: MAX4885ETJ+T
廠商: Maxim Integrated Products
文件頁數(shù): 12/13頁
文件大小: 0K
描述: IC SWITCH 2X1 32TQFN
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
功能: 開關
電路: 1 x 2:1
導通狀態(tài)電阻: 10 歐姆
電壓電源: 單電源
電壓 - 電源,單路/雙路(±): 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-WFQFN 裸露焊盤
供應商設備封裝: 32-TQFN-EP(5x5)
包裝: 帶卷 (TR)
MAX4885
Complete VGA 1:2 or 2:1 Multiplexer
8
_______________________________________________________________________________________
Timing Circuits/Timing Diagrams (continued)
MEASUREMENTS ARE STANDARDIZED AGAINST SHORTS AT IC TERMINALS.
OFF-ISOLATION IS MEASURED BETWEEN R0 AND R1 OR R2 ON EACH SWITCH.
ON-LOSS IS MEASURED BETWEEN R0 AND R1 OR R2 ON EACH SWITCH.
CROSSTALK IS MEASURED FROM ONE CHANNEL TO THE OTHER CHANNEL.
SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
+5V
VOUT
V+
SEL
VIN
MAX4885
OFF-ISOLATION = 20log
VOUT
VIN
ON-LOSS = 20log
VOUT
VIN
CROSSTALK = 20log
VOUT
VIN
NETWORK
ANALYZER
50
Ω
50
Ω
50
Ω
50
Ω
MEAS
REF
10nF
0V OR V+
50
Ω
GND
R0, G0, B0
R2, G2, B2
R1, G1, B1
Figure 4. On-Loss, Off-Isolation, and Crosstalk
Pin Description
PIN
NAME
FUNCTION
1
QP
Charge-Pump Enable, Active Low. Drive QP low for normal operation. Drive QP high to disable the
internal charge pump.
2
R0
RGB Analog I/O
3
G0
RGB Analog I/O
4
B0
RGB Analog I/O
5
H0
Horizontal Sync I/O
6
V0
Vertical Sync I/O
7
DDCA0
DDC I/O
8
DDCB0
DDC I/O
9
EN
Enable Input, Active Low. Drive EN low for normal operation. Drive EN high to disable the device. All
I/Os are high-impedance and charge pump is off when the device is disabled.
10
VCL
DDC Clamp Voltage. Open-drain DDCA_ and DDCB_ outputs are clamped to one diode-drop below
VCL. +2.7V < VCL < V+. Connect VCL to +3.3V for voltage clamping, or connect to V+ to disable
clamping. Bypass VCL to GND with a 0.1F or larger ceramic capacitor.
11, 21, 30
V+
Supply Voltage. V+ = +5.0V ± 10%. Bypass each to GND with a 0.1F or larger ceramic capacitor.
12, 20, 29
GND
Ground
13
DDCA2
DDC I/O
14
DDCB2
DDC I/O
15
R2
RGB Analog I/O
16
G2
RGB Analog I/O
17
B2
RGB Analog I/O
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