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參數(shù)資料
| 型號(hào)： | DG444DJ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 7/10頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH QUAD SPST 16DIP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 25 |
| 功能： | 開關(guān) |
| 電路： | 4 x SPST - NC |
| 導(dǎo)通狀態(tài)電阻： | 160 歐姆 |
| 電壓電源： | 單/雙電源 |
| 電壓 - 電源，單路/雙路(±)： | 10 V ~ 30 V，±4.5 V ~ 20 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 16-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 16-PDIP |
| 包裝： | 管件 |
DG444/DG445
Improved, Quad, SPST Analog Switches
6
_______________________________________________________________________________________
tOFF
0.8 x VOUT
VOUT
0.8 x VOUT
tf < 20ns
tr < 20ns
50%
0V
+3V
SWITCH
OUTPUT
LOGIC INPUT WAVEFORM IS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
tON
SWITCH
INPUT
LOGIC
INPUT
+3V
IN
+5V
V-
-15V
(
)
RL
CL
VOUT
S
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
GND
REPEAT TEST FOR CHANNELS 2, 3, AND 4.
VOUT = VD
RL
RL + rDS(ON)
LOGIC
INPUT
VL
+15V
V+
D
DG444
DG445
Figure 2. Switching Time
Applications Information
General Operation
Switches are open when power is off.
IN, D, and S should not exceed V+ or V-, even with
the power off.
Switch leakage is from each analog switch terminal
to V+ or V-, not to other switch terminals.
Operation with Supply Voltages
Other than ±15V
Using supply voltages other than ±15V will reduce the
analog signal range. The DG444/DG445 switches oper-
ate with ±4.5V to ±20V bipolar supplies or with a +10V
to +30V single supply; connect V- to 0V when operating
with a single supply. Also, all device types can operate
with unbalanced supplies such as +24V and -5V. VL
must be connected to +5V to be TTL compatible, or to
V+ for CMOS-logic level inputs. The Typical Operating
Characteristics graphs show typical on-resistance with
±20V, ±15V, ±10V, and ±5V supplies. (Switching times
increase by a factor of two or more for operation at ±5V.)
Overvoltage Protection
Proper power-supply sequencing is recommended
for all CMOS devices. Do not exceed the absolute
maximum ratings because stresses beyond the list-
ed ratings may cause permanent damage to the
devices. Always sequence V+ on first, followed by
VL , V-, and logic inputs. If power-supply sequenc-
ing is not possible, add two small, external signal
diodes in series with supply pins for overvoltage
protection (Figure 1). Adding diodes reduces the
analog signal range to 1V below V+ and 1V above
V-, but low switch resistance and low leakage char-
acteristics are unaffected. Device operation is
unchanged, and the difference between V+ and V-
should not exceed +44V.
V+
D
V-
S
Vg
Figure 1. Overvoltage Protection Using External Blocking Diodes
_____________________Pin Description
PIN
DIP/SO
THIN QFN
NAME
FUNCTION
1, 16, 9, 8
15, 14, 7, 6
IN1–IN4
Logic Control
Inputs
2, 15, 10, 7
16, 13, 8, 5
D1–D4
Drain Outputs
3, 14, 11, 6
1, 12, 9 4
S1–S4
Source Outputs
42
V-
Negative-Supply
Voltage Input
53
GND
Ground
12
10
VL
Logic-Supply
Voltage Input
13
11
V+
Positive-Supply-
Voltage
Input—Connected
to Substrate
—EP
PAD
Exposed Pad
Connect Pad to V+
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DG444DJ+ | 功能描述:模擬開關(guān) IC Quad SPST CMOS Normally Closed RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| DG444DJ+ | 制造商:Maxim Integrated Products 功能描述:IC ANALOG SWITCH QUAD SPST DIP-16 |
| DG444DJ-E3 | 功能描述:模擬開關(guān) IC SPST Analog Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| DG444DJ-E3 | 制造商:Vishay Siliconix 功能描述:Analog Switch / Multiplexer (Mux) IC |
| DG444DK | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
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