Datasheet

MAX2067
50MHz to 1000MHz High-Linearity,
Serial/Analog-Controlled VGA
22 ______________________________________________________________________________________
VCC_ANALOG
38
13
15
36
GND ATTEN_IN
14
37
GND GND
16
35
AMP_OUT GND
17
34
GND
33
RSET
18
ATTEN_OUT
32
GND
19
AMP_IN GND
20
31
ANALOG_VCTRL
12
39
VREF_IN
11
40
238
6
CS GND
25
247
VDD_LOGIC GND
5
CLK GND
26
4
DATA
GND
27
3
GNDVDAC_EN
28
2
VREF_SELECT
VREF_IN
29
229
GND
2110
VCC_AMP
NOTE: REMOVE R4 AND C10 WHEN DRIVING
ANALOG_VCTRL WITH AN EXTERNAL VOLTAGE.
130
GND
GND
+
ANALOG ATTENUATOR
VREF
DAC
EP
DRIVER AMP
SPI INTERFACE
GND
GND
GND
GND
*IN LC MODE, R1A IS A 10nF CAPACITOR.
SEE TABLE 5 FOR DETAILS.
GND
ANALOG_VCTRL
C1
C4
RF OUTPUT
L1
C3
V
DD
C11
C12
C10
GND GND GND GND GND
C2
V
CC
V
CC
C7C6
V
CC
R1
R1A*
R2
R3
C8
C9
RF INPUT
R4
MAX2067
Typical Application Circuit