Analog Devices ADSP-BF506F Hardware Reference Manual page 1100

ADC Architecture
Figure 23-1 shows the functional block diagram of the internal ADC.
V
A1
V
A2
V
A3
V
A4
V
A5
V
A6
V
B1
V
B2
V
B3
V
B4
V
B5
V
B6
Figure 23-1. ADC (Internal) Functional Block Diagram
The ADC features include:
• Dual 12-bit, 3-channel ADC
• Throughput rate: up to 2 MSPS
• Specified for V
23-2
REF SELECT D
BUF
REF
SUCCESSIVE
MUX T/H
APPROXIMATION
CONTROL
MUX
SUCCESSIVE
T/H
APPROXIMATION
BUF
AGND AGND AGND D B
CAP
of 2.7 V to 5.25 V
DD
ADSP-BF50x Blackfin Processor Hardware Reference
A AV DV
CAP DD DD
ADC
12-BIT
OUTPUT
DRIVERS
ADC
LOGIC
12-BIT
OUTPUT
DRIVERS
ADC
DGND DGND
D A
OUT
ADSCLK
CS
RANGE
SGL/DIFF
A0
A1
A2
V
DRIVE
D B
OUT