ADS5500-EP Datasheet, PDF (10/36 Pages) Texas Instruments – 14-BIT 125-MSPS Analog-to-digital Converter

ADS5500-EP
SGLS286C − JUNE 2005 – REVISED SEPTEMBER 2008
Table 2. Serial Register Table
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A3 A2 A1 A0 D11 D10
D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
DESCRIPTION
1101 0
0
0
0 0 0 0 0 0 0 DLL 0 DLL OFF = 0: Internal DLL is on, recommended for
OFF
60−125 MSPS clock speed
DLL OFF = 1: Internal DLL is off, recommended for
10−80 MSPS clock speed
1 1 1 0 0 TP<1> TP<0> 0 0 0 0 0 0 0 0 0 TP<1:0>: Test modes for output data capture
TP<1> = 0, TP<0> = 0: Normal mode of operation,
TP<1> = 0
TP<0> = 1: All output lines are pulled to ’0’, TP<1> = 1
TP<0> = 0: All output lines are pulled to ’1’, TP<1> = 1
TP<0> = 1: A continuous stream of ’10’ comes out on
all output lines
1 1 1 1 PDN 0
0
0 0 0 0 0 0 0 0 0 PDN = 0: Normal mode of operation,
PDN = 1: Device is put in power down (low current)
mode
10