AD7484 Analog Devices, AD7484 Datasheet - Page 18

• Manufacturer Part Number: AD7484
• Description: 14-Bit, 3 MSPS SAR ADC
• Manufacturer: Analog Devices

Specifications of AD7484

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 3MSPS
• Interface: Par
• Analog Input Type: SE-Uni
• Ain Range: Uni 2.5V
• Adc Architecture: SAR
• Pkg Type: QFP

AD7484
CONVST
CONVST
D[14:0]
WRITE
D[14:0]
BUSY
RD
CS
CS
RD
CONVST
CONVST
D[14:0]
D[14:0]
BUSY
BUSY
t
2
t
1
t
N
t
2
N
2
t
t
1
1
Figure 31. Parallel Mode 1 READ Cycle
Figure 32. Parallel Mode 2 READ Cycle
Figure 30. Parallel Mode WRITE Cycle
Figure 29. Parallel Mode READ Cycle
DATA N – 1
t
CONV
t
t
CONV
Rev. C | Page 18 of 20
CONV
t
DATA N – 1
12
t
9
OFFSET DATA
t
t
3
10
t
4
t
11
t
DATA VALID
t
13
6
t
t
14
15
N + 1
t
5
t
7
DATA N
t
ACQ
t
8
DATA N
t
QUIET
N + 1