ADC12DS080 Datasheet, PDF (2/34 Pages) Texas Instruments – 80 MSPS A/D Converter

ADC12DS080
SNAS443A – MARCH 2008 – REVISED MARCH 2013
Block Diagram
2
V_INA
12-Bit Pipelined
12
ADC Core
2
Parallel
-to-
Serial
2
ORA
SD0_A
SD1_A
CHANNEL A
3
Ref.Outputs
V_REF
CLK
3
Ref.Outputs
Reference
A
Reference
B
DLL
2
&
Timing
2
Generation
FRAME
OUTCLK
2
V_INB
2
12-Bit Pipelined
ADC Core
12
Parallel
-to-
Serial
2
SD0_B
SD1_B
CHANNEL B
ORB
SCSb
SCLK
SPI_EN
SDI
SDO
SPI
Interface
&
Control
Registers
Connection Diagram
AGND
V_INA-
V_INA+
AGND
V_RPA
V_RNA
V_CMOA
V_A
V_CMOB
V_RNB
V_RPB
AGND
V_INB+
V_INB-
AGND
1
2
3
4
5
6
7
ADC12DS080
8
9
10
(top view)
11
12
13
14 _{* Exposed Pad}
15
45
OUTCLK+
44
OUTCLK-
43
FRAME+
42
FRAME-
41
N/C
40
V_DR
39
DRGND
38
SD1_A+
37
SD1_A-
36
SD0_A+
35
SD0_A-
34
SD1_B+
33
SD1_B-
32
SD0_B+
31
SD0_B-
Figure 1. WQFN Package
See Package Number NKA0060A
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