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參數(shù)資料
| 型號： | MAX3532 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Upstream CATV Driver Amplifier |
| 中文描述： | CATV上行驅(qū)動放大器 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 84K |
| 代理商： | MAX3532 |
M
Upstream CAT V Driver Amplifier
_______________________________________________________________________________________
5
______________________________________________________________Pin Desc ription
NAME
FUNCTION
1–10, 12, 13,
15, 16, 17,
21–25, 32
GND
Ground Pins
11
V
EE
1
Serial Data Interface Ground. As with all grounds, maintain the shortest possible
(low-inductance) connections to the ground plane.
PIN
14
V
CC
1
Serial Data Interface +5V Supply. Bypass this pin with a 0.1μF decoupling capacitor as close to the
part as possible.
18
CS
Serial-Interface Enable. TTL-compatible input. See Serial Interface section.
27
VIN-
Negative Input. When not used, this port must be AC coupled to ground. Along with VIN+, this port
forms a high-impedance differential input to the PGA. Driving this port differentially will increase the
rejection of second-order distortion.
26
V
Programmable Gain Amplifier (PGA) Ground. As with all grounds, maintain the shortest possible
(low-inductance) connection to the ground plane.
20
SCLK
Serial-Interface Clock. TTL-compatible input. See Serial Interface section.
19
SDA
Serial-Interface Data. TTL-compatible input. See Serial Interface section.
33
VOUT+
Positive Output. Along with VOUT-, this pin forms a low-impedance output. Typically this port drives
a 1:2 transformer through 8
series resistors.
31
V
EE
2
Power Amplifier Ground. As with all grounds, connections maintain the shortest possible (low-induc-
tance) length to the ground plane.
30
V
CC
2
Power Amplifier +5V Supply. Bypass this pin with a decoupling capacitor as close to the part as
possible.
29
V
CC
PGA +5V Supply. Bypass this pin with a decoupling capacitor as close to the part as possible.
28
VIN+
Positive Input. Along with VIN-, this port forms a high-impedance differential input to the PGA. Driving
this port differentially will increase the rejection of second-order distortion. AC couple to this pin.
36
SHDN
Shutdown. When this pin is set low, all functions (including the serial interface) are disabled, leaving
only leakage currents to flow.
35
TXEN
Transmit Amplifier Enable. Setting this pin low places the transmitter in a high-isolation state (transmit
disable mode). In this mode, however, significant common-mode voltage swings exist. It is, there-
fore, important to maintain good balance of the differential output through to the transformer primary.
34
VOUT-
Negative Output. Along with VOUT+, this pin forms a low-impedance output. Typically this port
drives a 1:2 transformer through 8
series resistors.
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