AC ELECTRICAL CHARACTERISTICS (R OUT = 100Ω) Spe" />
參數(shù)資料
型號： LT5554IUH#TRPBF
廠商： Linear Technology
文件頁數(shù)： 27/32頁
文件大?。?/td> 0K
描述： IC VGA DIG CONTROL 32-QFN
標(biāo)準(zhǔn)包裝： 2,500
應(yīng)用： 可變增益（VGA）
電路數(shù)： 1
-3db帶寬： 1GHz
電流 - 電源： 200mA
電壓 - 電源，單路/雙路(±)： 4.75 V ~ 5.25 V
安裝類型： 表面貼裝
封裝/外殼： 32-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 32-QFN 裸露焊盤（5x5）
包裝： 帶卷 (TR)
LT5554
4
5554f
AC ELECTRICAL CHARACTERISTICS (R
OUT = 100Ω) Specications are at TA = 25°C. VCC = 5V, VCCO = 5V,
ENB = 3V, MODE = 5V, STROBE = 2.2V, VIH = 2.2V, VIL = 0.6V, maximum gain (Notes 3, 8), (Test circuits shown in Figure 16), unless
otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Noise/Linearity Performance Two Tones, POUT = 4dBm/Tone (2VP-P into 50Ω), Δf = 200kHz
IIP3
Input Third Order Intercept Point
GMAX, FIN = 200MHz
GMAX –3.875dB, FIN = 200MHz
27
dBm
OIP3
Output Third Order Intercept Point for
Max-Gain
FIN = 100MHz
FIN = 200MHz
48
dBm
IMD3
Intermodulation Product for Max-Gain
FIN = 100MHz
FIN = 200MHz
–88
dBc
VONOISE
Output Noise Noise Spectral Density
GMAX, FIN = 200MHz
GMAX –3.875dB, FIN = 200MHz
21.4
14.5
nV/√Hz
NF
Noise Figure
GMAX, FIN = 200MHz
GMAX –3.875dB, FIN = 200MHz
10
10.5
dB
RTI
Input Referred Noise Spectral Density
(RMS) (Note 5)
GMAX, FIN = 200MHz
GMAX –3.875dB, FIN = 200MHz
1.34
1.42
nV/√Hz
SFDR
Spurious Free Dynamic Range in
1Hz BW.
GMAX, FIN = 200MHz
128
dBm/Hz
GVMAX
Maximum Voltage Gain
FIN = 100MHz
23.6
dB
GPMAX
Maximum Power Gain
FIN = 100MHz
20.6
dB
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
PGx and Strobe Timing Characteristics
TSU
Setup Time PGx vs STROBE
0ns
THOLD
Hold Time PGx vs STROBE
1ns
TPW
STROBE Pulse Width
2ns
TR
STROBE Period
4ns
TLATENCY
Latency Time of the Previous Gain State
Output Settles within 1%
4
ns
TGLITCH
Time Between Previous Stable Gain State
to Next Stable State
Output Settles within 1%
5
ns
AGLITCH
Max Glitch Amplitude
VIN = 0 (No Signal or STROBE Transition During
Output Signal Zero Crossing)
1mV
STROBE Transition when Output Power is at
Peak + 10dBm Power
3dB
AC ELECTRICAL CHARACTERISTICS (Timing Diagram) (R
OUT = 50Ω) Specications are
at TA = 25°C. VCC = 5V, VCCO = 5V, ENB = 3V, MODE = 5V, STROBE = 3V, VIH = 2.2V, VIL = 0.6V, maximum gain (Test circuit shown in
Figure 16), unless otherwise noted.
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