ADC1113S125 Datasheet, PDF (21/36 Pages) NXP Semiconductors – Single 11-bit ADC; serial JESD204A interface

Integrated Device Technology
ADC1113S125
Single 11-bit ADC; serial JESD204A interface
ADC_MODE[1:0]
PRBS
11
DUMMY 11 + 1 10
N
11 + 1 AND
CS
N + CS
ADC_PD
ADC
11 + 1 00
PLL
AND
DLL
× 1 frame CLK
× F character CLK
× 10F bit CLK
FRAME
ASSEMBLY
FSM
(frame assembly
character
replication
ILA
test mode)
SCR_IN_MODE
8
00
PRBS 01
SCR
LANE_MODE[1:0]
8-bit/
10-bit
10 00
LANE_POL
'0'
01
SER
'0/1'
10
PRBS
11
SWING_SEL[2:0]
sync_request
Fig 22. Detailed view of the JESD204A serializer with debug functionality
11.5.2 ADC core output codes versus input voltage
Table 13 shows the data output codes for a given analog input voltage.
Table 13. Output codes versus input voltage
INP  INM (V) Offset binary
< 1
000 0000 0000
1.0000000 000 0000 0000
0.9990234 000 0000 0001
0.9980469 000 0000 0010
0.9970703 000 0000 0011
0.996093
000 0000 0100
....
....
0.0019531 011 1111 1110
0.0009766 011 1111 1111
0.0000000
100 0000 0000
+0.0009766 100 0000 0001
+0.0019531 100 0000 0010
....
....
+0.9970703 111 1111 1011
+0.99990845 111 1111 1100
+0.9980469 111 1111 1101
+0.9990234 111 1111 1110
+1.0000000 111 1111 1111
> +1
111 1111 1111
Two’s complement
100 0000 0000
100 0000 0000
100 0000 0001
100 0000 0010
100 0000 0011
100 0000 0100
....
111 1111 1110
111 1111 1111
000 0000 0000
000 0000 0001
000 0000 0010
....
011 1111 1011
011 1111 1100
011 1111 1101
011 1111 1110
011 1111 1111
011 1111 1111
001aam774
OTR
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
ADC1113S125 2
Product data sheet
Rev. 02 — 2 July 2012
© IDT 2012. All rights reserved.
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