potential. On the LTC6404-2, the VOCM pin has a input
參數(shù)資料
型號： LTC6404CUD-4#TRPBF
廠商： Linear Technology
文件頁數(shù)： 9/28頁
文件大小： 0K
描述： IC AMP/DRIVER DIFF 16-QFN
標準包裝： 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： 16-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 16-QFN-EP（3x3）
包裝： 帶卷 (TR)
LTC6404
17
6404f
PIN FUNCTIONS
potential. On the LTC6404-2, the VOCM pin has a input
resistance of approximately 14k. On the LTC6404-4, the
VOCM pin has a input resistance of approximately 7k. The
VOCM pin should be bypassed with a high quality ceramic
bypass capacitor of at least 0.01μF, (unless you are using
split supplies, then connect directly to a low impedance,
low noise ground plane) to minimize common mode noise
from being converted to differential noise by impedance
mismatches both externally and internally to the IC.
NC (Pins 5, 16): No Connection. These pins are not con-
nected internally.
OUT+, OUT– (Pins 7, 14):
Unltered Output Pins. Besides
driving the feedback network, each pin can drive an ad-
ditional 50
Ω to ground with typical short-circuit current
limiting of ±65mA. Each amplier output is designed to
drive a load capacitance of 10pF. This basically means
the amplier can drive 10pF from each output to ground
or 5pF differentially. Larger capacitive loads should be
decoupled with at least 25
Ω resistors in series with each
output. For long-term device reliability, it is recommended
that the continuous (DC + ACRMS) output current be limited
to under 50mA.
OUTF+, OUTF– (Pins 8, 13):
Filtered Output Pins. These
pins have a series 50
Ω resistor connected between the
ltered and unltered outputs and three 12pF capacitors.
Both OUTF+ and OUTF– have 12pF to V–, plus an additional
12pF differentially between OUTF+ and OUTF–. This lter
creates a differential lowpass frequency response with
a –3dB bandwidth of 88.5MHz. For long-term device
reliability, it is recommended that the continuous (DC +
ACRMS) output current be limited to under 40mA.
IN+, IN– (Pins 15, 6):
Noninverting and Inverting Input Pins
of the Amplier, Respectively. For best performance, it is
highly recommended that stray capacitance be kept to an
absolute minimum by keeping printed circuit connections
as short as possible, and if necessary, stripping back nearby
surrounding ground plane away from these pins.
Exposed Pad (Pin 17): Tie the pad to V– (Pins 3, 9, and 12).
If split supplies are used, do not tie the pad to ground.
BLOCK DIAGRAM
–
+
1
5
NC
6
IN–
7
OUT+
8
OUTF+
16
NC
15
IN+
14
OUT–
13
OUTF–
2
V+
3
V–
V+
V–
V+
50Ω
12pF
66k
V–
4
VOCM
12
V–
6404 BD
11
V+
10
V+
9
V–
50Ω
2 RVOCM
V–
V+
V–
V+
V–
V+
V–
V+
V–
V+
V–
SHDN
IC
LTC6404-1
LTC6404-2
LTC6404-4
2 RVOCM
47k
28k
14k
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC6404HUD-1#PBF 功能描述:IC AMP/DRIVER DIFF 16-QFN RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產(chǎn)品培訓(xùn)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(yīng)用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:20-TQFN-EP（5x5） 包裝:托盤
LTC6404HUD-1#PBF 制造商:Linear Technology 功能描述:OPERATIONAL AMPLIFIER IC
LTC6404HUD-1#TRPBF 功能描述:IC AMP/DRIVER DIFF 16-QFN RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產(chǎn)品培訓(xùn)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(yīng)用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:20-TQFN-EP（5x5） 包裝:托盤
LTC6404HUD-1-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:600MHz, Low Noise, High Precision Fully Differential Input/Output Amplifi er/Driver
LTC6404HUD-1-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:600MHz, Low Noise, High Precision Fully Differential Input/Output Amplifi er/Driver
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