MAX9930_09 Datasheet, PDF (10/16 Pages) Maxim Integrated Products – 2MHz to 1.6GHz 45dB RF-Detecting Controllers and RF Detector

2MHz to 1.6GHz 45dB RF-Detecting
Controllers and RF Detector
PIN
MAX9930/
MAX9931/
MAX9932
MAX9933
1
1
2
2
3
—
4
4
5
3, 5
6
6
7
7
8
8
Pin Description
NAME
FUNCTION
RFIN
SHDN
SET
CLPF
GND
N.C.
OUT
V_CC
RF Input
Shutdown. Connect to V_CC for normal operation.
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.
SHDN
V_CC
OUTPUT-
ENABLED
DELAY
RFIN
GND
SHDN
V_CC
g_m
X1
OUT
DET
DET
DET
DET
DET
CLPF
10dB
10dB
OFFSET
COMP
10dB
10dB
REFERENCE
CURRENT
V-I*
SET
MAX9930
MAX9931
MAX9932
OUTPUT-
ENABLED
DELAY
g_m
X1
OUT
DET
DET
DET
DET
DET
CLPF
RFIN
10dB
10dB
10dB
10dB
V-I*
OFFSET
COMP
GND
*INVERTING VOLTAGE TO CURRENT CONVERTER
Figure 1. Functional Diagram
REFERENCE
CURRENT
MAX9933
10 ______________________________________________________________________________________