AD7623AST Analog Devices Inc, AD7623AST Datasheet - Page 6

• Manufacturer Part Number: AD7623AST
• Description: IC ADC 16BIT 1.33MSPS DFF 48LQFP
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of AD7623AST

• Number Of Bits: 16
• Sampling Rate (per Second): 1.33M
• Data Interface: Serial, Parallel
• Number Of Converters: 1
• Power Dissipation (max): 55mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• For Use With: EVAL-AD7623CBZ - BOARD EVALUATION FOR AD7623
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD7623
SERIAL CLOCK TIMING SPECIFICATIONS
Table 4. Serial Clock Timings in Master Read After Convert Mode
DIVSCLK[1]
DIVSCLK[0]
SYNC to SCLK First Edge Delay Minimum
Internal SCLK Period Minimum
Internal SCLK Period Maximum
Internal SCLK High Minimum
Internal SCLK Low Minimum
SDOUT Valid Setup Time Minimum
SDOUT Valid Hold Time Minimum
SCLK Last Edge to SYNC Delay Minimum
BUSY High Width Maximum
TO OUTPUT
NOTE
IN SERIAL INTERFACE MODES, THE SYNC, SCLK, AND
SDOUT ARE DEFINED WITH A MAXIMUM LOAD.
C
L
Figure 2. Load Circuit for Digital Interface Timing,
OF 10pF; OTHERWISE, THE LOAD IS 60pF MAXIMUM.
SDOUT, SYNC, and SCLK Outputs, C
PIN
50pF
C
L
500μA
500μA
I
I
OL
OH
1.4V
L
= 10 pF
Rev. 0 | Page 6 of 28
Symbol
t
t
t
t
t
t
t
t
t
18
19
19
20
21
22
23
24
28
t
DELAY
0.8V
0
0
0.5
8
12
2
3
1
0
0
0.780
Figure 3. Voltage Reference Levels for Timing
2V
0.8V
0
1
3
16
25
6
7
5
0.5
0.5
1.000
1
0
3
32
50
15
16
5
10
9
1.440
2V
t
DELAY
1
1
3
64
100
31
32
5
28
26
2.320
2V
0.8V
Unit
ns
ns
ns
ns
ns
ns
ns
ns
μs