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參數(shù)資料
| 型號： | LTC6420IUDC-20#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 12/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DIFF AMP/ADC DRIVER DL 20QFN |
| 標準包裝： | 91 |
| 類型： | ADC 驅動器 |
| 應用： | 數(shù)據采集 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 20-QFN（3x4） |
| 包裝： | 管件 |
LTC6420-20
7
642020fb
PIN FUNCTIONS
+INA, –INA, –INB, +INB (Pins 1, 2, 5, 6): Differential
Inputs of A and B channel respectively.
V– (Pins 3, 4, 13, 14, 21):
Negative Power Supply. All
four pins, as well as the exposed back, must be connected
to same voltage/ground.
ENABLEA, ENABLEB (Pins 9, 18): Logic inputs. If low,
the amplier is enabled. If high, the amplier is disabled
and placed in a low power shutdown mode, making
the amplier outputs high impedance. These pins are
internally separate. These pins should not be left oating.
V+ A, V+ B (Pins 15, 20, 7, 12 ): Positive Power Supply
(Normallytiedto3Vor3.3V).SupplypinsofAandBchannels
are internally separate. Bypass each pin with 1000pF and
0.1μF capacitors as close to the pins as possible.
–OUTA, +OUTA, –OUTB, +OUTB (Pins 16, 17, 11, 10):
Differential Outputs of channels A and B respectively.
VOCMA, VOCMB (Pins 19, 8): These pins set the output
common mode voltage for the respective channel. They
are internally separate. A 0.1μF external bypass capacitor
is recommended.
Exposed Pad (Pin 21): V–. The Exposed Pad must be
connected to same voltage/ground as pins 3, 4, 13, 14.
BLOCK DIAGRAM
640020 BD
7
V+ B
V + B
V + A
– OUTA
– OUTB
8
VOCMB
VOCMA
+INA
+
–
–INA
V–
ROUT
12.5Ω
ROUT
12.5Ω
RF
1000Ω
RG
100Ω
RF
1000Ω
RF
1000Ω
RF
1000Ω
10
V –
9
20
V + A
+OUTB
+OUTA
19
17
18
ENABLEA
ENABLEB
ROUT
12.5Ω
ROUT
12.5Ω
RG
100Ω
RG
100Ω
RG
100Ω
1
2
3
4
5
6
16
15
14
13
12
11
–INB
+INB
+
–
+
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC6420IUDC-20-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Matched 1.8GHz Differential Amplifi ers/ADC Drivers |
| LTC6421-20 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Matched 1.3GHz Differential Amplifi ers/ADC Drivers |
| LTC6421CUDC-20#PBF | 功能描述:IC ADC DRIVER DIFF 20-QFN RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
| LTC6421CUDC-20#TR | 制造商:Linear Technology 功能描述:DIFF-AMPLIFIER, 1.3GHZ, 4500V/US, QFN-20, No. of Amplifiers:2, Input Offset Voltage:400V, Bandwidth:1.3GHz, Amplifier Case Style:QFN, No. of Pins:20, Supply Voltage Range:2.85V to 3.5V, Slew Rate:4500V/s, Supply Current:40mA, MSL:-, RoHS Compliant: No |
| LTC6421CUDC-20#TRPBF | 功能描述:IC ADC DRIVER DIFF 20-QFN RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
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