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ADS5545 Datasheet(PDF) 22 Page - Texas Instruments

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Part # ADS5545
Description  12-BIT, 210 MSPS ADC WITH DDR LVDS/CMOS OUTPUTS
PDF  57 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

ADS5545 Datasheet(HTML) 22 Page - Texas Instruments

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PIN CONFIGURATION (LVDS MODE)
DRGND
DRVDD
OVR
CLKOUTM
CLKOUTP
DFS
OE
AVDD
AGND
CLKP
CLKM
AGND
1
2
3
4
5
6
7
8
9
10
11
12
DRGND
DRVDD
NC
NC
NC
NC
RESET
SCLK
SDATA
SEN
AVDD
AGND
36
35
34
33
32
31
30
29
28
27
26
25
ThermalPad
ADS5527
SLWS196A – DECEMBER 2006 – REVISED MAY 2007
RGZ PACKAGE
(TOP VIEW)
Figure 7. LVDS Mode Pinout
PIN ASSIGNMENTS – LVDS Mode
PIN
PIN
NUMBER
PIN NAME
DESCRIPTION
TYPE
NUMBER
OF PINS
8, 18, 20,
AVDD
Analog power supply
I
6
22, 24, 26
9, 12, 14,
AGND
Analog ground
I
6
17, 19, 25
CLKP, CLKM
Differential clock input
I
10, 11
2
INP, INM
Differential analog input
I
15, 16
2
Internal reference mode – Common-mode voltage output.
VCM
External reference mode – Reference input. The voltage forced on this pin sets
I/O
13
1
the internal references.
IREF
Current-set resistor, 56.2-k
Ω resistor to ground.
I
21
1
Serial interface RESET input.
When using the serial interface mode, the user MUST initialize internal registers
through hardware RESET by applying a high-going pulse on this pin, or by using
RESET
the software reset option. See the SERIAL INTERFACE section.
I
30
1
In parallel interface mode, the user has to tie the RESET pin permanently HIGH.
(SDATA and SEN are used as parallel pin controls in this mode)
The pin has an internal 100-k
Ω pull-down resistor.
22
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