參數(shù)資料
型號(hào)： MAX4939CTN+T
廠商： Maxim Integrated Products
文件頁數(shù)： 13/19頁
文件大?。?/td> 0K
描述： IC TRANSMIT/RCVR SWITCH 56-TQFN
應(yīng)用說明： Ultrasound Imaging Systems Application Note
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： 開關(guān)
電壓電源： 單/雙電源
電壓 - 電源，單路/雙路(±)： 1.62 V ~ 5.5 V，±1.35 V ~ 2.75 V
電流 - 電源： 1.5mA
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 56-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 56-TQFN-EP（5x11）
包裝： 帶卷 (TR)
_______________________________________________________________________________________ 3
MAX4936–MAX4939
Octal High-Voltage Transmit/Receive Switches
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +1.62V to +5.5V, VCC = +2.7V to +5.5V, VEE = -2.7V to -5.5V, VCLR = 0V, LVCC_ = VCC, LVEE_ = VEE, TA = TMIN to TMAX,
unless otherwise noted. Typical values are at TA = +25NC.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
HV_ Off-Leakage Current
ILHV_
|VHV_ - VCOM_ | <
+0.3V, VCOM_ = 0V
(MAX4936/MAX4938 only)
-3
+3
F
A
COM_ Off-Leakage Current
ILCOM_
|VHV_ - VCOM_ | < +0.3V, VHV_ = 0V,
switch is off (MAX4936/MAX4938 only)
-3
+3
F
A
HV_ = unconnected, switch is off
(MAX4936/MAX4938 only)
-1
+1
F
A
Switch is off (MAX4937/MAX4939 only)
-1
+1
F
A
NO_ Off-Leakage Current
ILNO_
|VNO_| < +0.3V,
switch is off
MAX4936/MAX4937
-2
+2
F
A
MAX4938/MAX4939
-1
+1
DYNAMIC CHARACTERISTICS
Diode Bridge Turn-On Time
tON
VCC = +5V, VEE = -5V, RL = 200I,
ICH = 1.5mA, CL = 30pF, VCOM_ = Q0.4V,
Figure 1
200
ns
Diode Bridge Turn-Off Time
tOFF
VCC = +5V, VEE = -5V, RL = 200I,
ICH = 1.5mA, CL = 30pF, VCOM_ = Q0.4V,
Figure 1
5
ms
Reverse Recovery Time
tRR
IFWD = IRVR = 10mA
450
ns
SPI Power-Up Delay
tDLY
500
F
s
Small-Signal COM_ to NO_ On
Impedance
RICOM_
VCC = +5V, VEE = -5V, VNO_ = 0V,
ICH = 1.5mA, f = 5MHz
4.5
I
-3dB Bandwidth
BW
COM_ to NO_, switch is on,
|VCOM_| < +0.4V, VCC = +5V, VEE = -5V,
RL = 200I, CL = 30pF, ICH = 1.5mA
65
MHz
Off-Isolation
VISO
HV_ to COM_, |VHV_ - VCOM_ | < +0.3V,
VCC = +5V, VEE = -5V, RL = 100I,
CL = 100pF, f = 1MHz
(MAX4936/MAX4938 only)
-50
dB
COM_ to NO_, switch is off, VCC = +5V,
VEE = -5V, RL = 200I, CL = 30pF, f = 1MHz
-75
Crosstalk
VCT
Between any two HV_ to COM_ channels,
|VHV_| R +2V, VCC = +5V,
VEE = -5V, RL = 100I, CL = 100pF,
f = 5MHz (MAX4936/MAX4938 only)
-60
dB
Between any two COM_ to NO_ channels,
switch is on, |VCOM_| < +0.4V, VCC = +5V,
VEE = -5V, RL = 200I, CL = 30pF,
ICH = 1.5mA, f = 5MHz
-71
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