參數(shù)資料
型號: MAX9232EUM
廠商: Maxim Integrated Products, Inc.
英文描述: Programmable Spread-Spectrum and DC-Balance 21-Bit Deserializer
中文描述: 可編程擴(kuò)頻和DC -平衡21位解串器
文件頁數(shù): 1/1頁
文件大?。?/td> 50K
代理商: MAX9232EUM
General Description
The MAX9232 deserializes three LVDS serial-data
inputs into 21 single-ended LVCMOS/LVTTL outputs. A
separate parallel-rate LVDS clock provides the timing
for deserialization. The MAX9232 features spread-spec-
trum capability, allowing the output data and clock
frequency to spread over a specified range to reduce
EMI. The single-ended data and clock outputs are pro-
grammable for a frequency spread of ±2%, ±4%, or no
spread. The spread-spectrum function is also available
when the MAX9232 operates in non-DC-balanced
mode. The modulation rate of the spread is 32kHz for a
33MHz LVDS clock input and scales linearly with fre-
quency. Using VSYNC on RxOUT13 and HSYNC on
RxOUT6, a reset of the spread-spectrum FIFO is per-
formed every frame, preventing FIFO overflow and
underflow. The single-ended outputs have a separate
supply, allowing +1.8V to +5V output logic levels.
The MAX9232 features programmable DC balance,
allowing isolation between a serializer and deserializer
using AC-coupling. The MAX9232 operates with the
MAX9209/MAX9213 serializer and has a falling-edge
strobe. The LVDS inputs meet ISO 10605 ESD specifi-
cations with ±25kV Air-Gap Discharge and ±8kV
Contact Discharge ratings.
The MAX9232 is available in a 48-pin TSSOP package and
operates within the -40°C to +85°C temperature range.
Applications
Automotive Navigation Systems
Automotive DVD Entertainment Systems
Digital Copiers
Laser Printers
Features
o
Programmable ±4%, ±2%, or OFF Spread-Spectrum
Output for Reduced EMI
o
Programmable DC Balance or Non-DC Balance
o
DC Balance Allows AC-Coupling for Wider Input
Common-Mode Voltage Range
o
Spread Spectrum Operates in DC-Balanced or Non-
DC-Balanced Mode
o
FIFO Reset During Vertical Blanking
o
16MHz-to-34MHz (DC-Balanced) and 20MHz-to-
40MHz (Non-DC-Balanced) Operation
o
High-Impedance Outputs when
PWRDWN
is Low
Allow Output Busing
o
Fail-Safe Inputs in Non-DC-Balanced Mode
o
Separate Output Supply Pins Allow Interface to
+1.8V, +2.5V, +3.3V, and +5V Logic
o
LVDS Inputs Meet ISO 10605 ESD Protection at
±25kV Air Discharge and ±8kV Contact Discharge
o
LVDS Inputs Meet IEC 61000-4-2 Level 4 ESD
Protection at ±15kV Air and ±8kV Contact Discharge
o
LVDS Inputs Conform to ANSI TIA/EIA-644 Standard
o
+3.3V Main Power Supply
M
Programmable Spread-Spectrum and
DC-Balance 21-Bit Deserializer
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
48
47
46
45
44
43
42
41
40
39
1
2
3
4
5
6
7
8
9
10
V
CCO
RxOUT16
RxOUT15
RxOUT14
RxOUT19
GND
RxOUT18
RxOUT17
TOP VIEW
MAX9232
GND
RxOUT13
V
CC
RxOUT12
RxIN0-
DCB
SSG
RxOUT20
RxOUT11
RxOUT10
RxIN1-
RxIN0+
38
37
36
35
34
33
32
31
30
29
GND
RxOUT9
V
CCO
RxOUT8
RxOUT7
RxOUT6
GND
RxOUT5
RxOUT4
RxOUT3
11
12
13
14
15
16
17
18
19
RxIN2-
LVDSGND
LVDSV
CC
RxIN1+
LVDSGND
RxCLKIN+
RxCLKIN-
RxIN2+
PLLV
CC
PLLGND
PLLGND
TSSOP
20
21
RxOUT0
24
28
25
V
CCO
22
27
23
RxCLKOUT
26
RxOUT1
RxOUT2
GND
PWRDWN
Pin Configuration
Ordering Information
XX-XXXX; Rev 0; 9/05
PART
TEMP RANGE
PIN-PACKAGE
PKG
CODE
U48-1
MAX9232EUM
-40
°
C to +85
°
C
48 TSSOP
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