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參數(shù)資料
| 型號： | LTC6421IUDC-20#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 14/16頁 |
| 文件大小： | 0K |
| 描述： | IC ADC DRIVER DIFF 20-QFN |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | ADC 驅(qū)動器 |
| 應(yīng)用： | 數(shù)據(jù)采集 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 20-QFN（3x4） |
| 包裝： | 帶卷 (TR) |
LTC6421-20
7
642120fb
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
642120 BD
7
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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| LTC6430-15 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Linearity Differential RF/IF Amplifier/ADC Driver |
| LTC6430AIUF-15#PBF | 制造商:Linear Technology 功能描述:IC AMPLIFIER DRIVER 24-QFN 制造商:Linear Technology 功能描述:RF AMP 5.2DB 20MHZ-2GHZ 5V 制造商:Linear Technology 功能描述:RF AMP, 5.2DB, 20MHZ-2GHZ, 5V, QFN-24 制造商:Linear Technology 功能描述:RF AMP, 5.2DB, 20MHZ-2GHZ, 5V, QFN-24; Frequency Min:20MHz; Frequency Max:2GHz; Gain:15.2dB; Noise Figure Typ:3dB; RF IC Case Style:QFN; No. of Pins:24; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Package / Case:24-QFN ;RoHS Compliant: Yes |
| LTC6430AIUF-15#TRPBF | 制造商:Linear Technology 功能描述:IC AMPLIFIER GAIN BLOCK 24QFN 制造商:Linear Technology 功能描述:RF/IF AMPLIFIER, 15.2DB, 50MHZ-1GHZ, 5.25V, QFN-24; Frequency Min:50MHz; Frequency Max:1GHz; Gain:15.2dB; Noise Figure Typ:3dB; RF IC Case Style:QFN; No. of Pins:24; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; RF Type:CATV ;RoHS Compliant: Yes |
| LTC6430BIUF-15#PBF | 制造商:Linear Technology 功能描述:IC AMPLIFIER DRIVER 24-QFN 制造商:Linear Technology 功能描述:RF AMP 5.2DB 20MHZ-2GHZ 5V 制造商:Linear Technology 功能描述:RF AMP, 5.2DB, 20MHZ-2GHZ, 5V, QFN-24; Frequency Min:20MHz; Frequency Max:2GHz; Gain:15.2dB; Noise Figure Typ:3dB; RF IC Case Style:QFN; No. of Pins:24; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Package / Case:24-QFN ;RoHS Compliant: Yes |
| LTC6430BIUF-15#TRPBF | 制造商:Linear Technology 功能描述:IC AMPLIFIER GAIN BLOCK 24QFN 制造商:Linear Technology 功能描述:RF/IF AMPLIFIER, 15.2DB, 50MHZ-1GHZ, 5.25V, QFN-24; Frequency Min:50MHz; Frequency Max:1GHz; Gain:15.2dB; Noise Figure Typ:3dB; RF IC Case Style:QFN; No. of Pins:24; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; RF Type:CATV ;RoHS Compliant: Yes |
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