參數(shù)資料
型號(hào)： MAX2014ETA-T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 模擬信號(hào)調(diào)理
英文描述： 50MHz to 1000MHz, 75dB Logarithmic Detector/Controller
中文描述： SPECIALTY ANALOG CIRCUIT, PDSO8
封裝： 3 X 3 MM, 0.80 MM HEIGHT, TDFN-8
文件頁數(shù)： 7/10頁
文件大?。?/td> 288K
代理商： MAX2014ETA-T
M
50MHz to 1000MHz, 75dB Logarithmic
Detector/Controller
_______________________________________________________________________________________
7
Pin Description
PIN
NAME
DESCRIPTION
1, 4
V
CC
Supply Voltage. Bypass with capacitors as specified in the typical application circuits. Place capacitors
as close to the pin as possible (see the
Power-Supply Connections
section).
2, 3
INHI, INLO
Differential RF Inputs
5
PWDN
Power-Down Input. Drive PWDN with a logic-high to power down the IC. PWDN must be connected to
GND for V
S
between 4.75V and 5.25V with R4 = 75
Ω
.
Ground. Connect to the printed circuit (PC) board ground plane.
6
GND
7
SET
Set-Point Input. To operate in detector mode, connect SET to OUT. To operate in controller mode,
connect a precision voltage source to control the power level of a power amplifier.
8
OUT
Detector Output. In detector mode, this output provides a voltage proportional to the log of the input
power. In controller mode, this output is connected to a power-control input on a power amplifier (PA).
—
EP
Exposed Paddle. Connect EP to GND using multiple vias, or the EP can also be left unconnected.
OUTPUT VOLTAGE vs. FREQUENCY
FREQUENCY INPUT (MHz)
O
M
0
200
400
600
800
1000
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
P
IN
= -60dBm
P
IN
= -30dBm
P
IN
= -45dBm
P
IN
= -10dBm
V
CC
= 2.7V, 3.3V, 3.6V
V
CC
= 2.7V
V
CC
= 3.6V
RF PULSE RESPONSE
TIME (50ns/div)
R
M
-1.0
-0.5
0
0.5
1.0
1.5
2.0
2.5
V
OUT
f
IN
=
100MHz
RFIN
(AC-COUPLED)
S11 MAGNITUDE
FREQUENCY (MHz)
M
M
0
200
400
600
800
1000
-25.0
-22.5
-20.0
-17.5
-15.0
-12.5
-10.0
V
CC
= 2.7V, 3.0V, 3.3V, 3.6V
S11 MAGNITUDE
FREQUENCY (MHz)
M
M
0
200
400
600
800
1000
-25.0
-22.5
-20.0
-17.5
-15.0
-12.5
-10.0
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +85
°
C
T
A
= -20
°
C
Typical Operating Characteristics (continued)
(MAX2014 Typical Application Circuit (Figure 1), V
S
= V
CC
= 3.3V, P
IN
= -10dBm, f
IN
= 100MHz, R1 = 0
Ω
, R4 = 0
Ω
, R
L
= 10k
Ω
,
V
PWDN
= 0V, TA= +25°C, unless otherwise noted.)
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