MAX9933 Maxim, MAX9933 Datasheet - Page 10

• Manufacturer Part Number: MAX9933
• Description: The MAX9930–MAX9933 low-cost, low-power logarithmic amplifiers are designed to control RF power amplifiers (PA) and transimpedance amplifiers (TIA), and to detect RF power levels
• Manufacturer: Maxim

2MHz to 1.6GHz 45dB RF-Detecting
Controllers and RF Detector
Figure 1. Functional Diagram
10
10
MAX9930/
MAX9931/
MAX9932
______________________________________________________________________________________
______________________________________________________________________________________
1
2
3
4
5
6
7
8
PIN
SHDN
SHDN
RFIN
GND
RFIN
GND
V
V
CC
CC
MAX9933
*INVERTING VOLTAGE TO CURRENT CONVERTER
3, 5
—
1
2
4
6
7
8
NAME
SHDN
CLPF
RFIN
GND
OUT
N.C.
SET
V
DET
DET
CC
10dB
10dB
OFFSET
OFFSET
RF Input
Shutdown. Connect to V
Set-Point Input
Lowpass Filter Connection. Connect external capacitor between CLPF and GND to set
control-loop bandwidth.
Ground
No Connection. Not internally connected.
PA Gain-Control Output
Supply Voltage. Bypass to GND with a 0.1µF capacitor.
COMP
COMP
DET
DET
10dB
10dB
DET
DET
10dB
10dB
DET
DET
REFERENCE
REFERENCE
CURRENT
CURRENT
CC
for normal operation.
10dB
10dB
OUTPUT-
ENABLED
OUTPUT-
ENABLED
DELAY
DELAY
DET
DET
FUNCTION
MAX9930
MAX9931
MAX9932
MAX9933
g
g
m
m
V-I*
V-I*
X1
X1
Pin Description
OUT
CLPF
SET
OUT
CLPF