AD7623AST Analog Devices Inc, AD7623AST Datasheet - Page 5

• 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

TIMING SPECIFICATIONS
AVDD = DVDD = 2.5 V; OVDD = 2.3 V to 3.6 V; V
Table 3.
Parameter
CONVERSION AND RESET (Refer to Figure 31 and Figure 32)
PARALLEL INTERFACE MODES (Refer to Figure 33 to Figure 35).
MASTER SERIAL INTERFACE MODES
SLAVE SERIAL INTERFACE MODES
1
2
3
4
See the Conversion Control section.
See the Digital Interface and RESET sections.
In serial interface modes, the SYNC, SCLK, and SDOUT timings are defined with a maximum load C
In serial master read during convert mode. See Table 4 for serial master read after convert mode timing specifications.
Convert Pulse Width
Time Between Conversions
CNVST Low to BUSY High Delay
BUSY High All Modes (Except Master Serial Read After Convert)
Aperture Delay
End of Conversion to BUSY Low Delay
Conversion Time
Acquisition Time
RESET Pulse Width
RESET Low to BUSY High Delay
BUSY High Time from RESET Low
CNVST Low to DATA Valid Delay
DATA Valid to BUSY Low Delay
Bus Access Request to DATA Valid
Bus Relinquish Time
CS Low to SYNC Valid Delay
CS Low to Internal SCLK Valid Delay
CS Low to SDOUT Delay
CNVST Low to SYNC Delay
SYNC Asserted to SCLK First Edge Delay
Internal SCLK Period
Internal SCLK High
Internal SCLK Low
SDOUT Valid Setup Time
SDOUT Valid Hold Time
SCLK Last Edge to SYNC Delay
CS High to SYNC HI-Z
CS High to Internal SCLK HI-Z
CS High to SDOUT HI-Z
BUSY High in Master Serial Read after Convert
CNVST Low to SYNC Asserted Delay
SYNC Deasserted to BUSY Low Delay
External SCLK Setup Time
External SCLK Active Edge to SDOUT Delay
SDIN Setup Time
SDIN Hold Time
External SCLK Period
External SCLK High
External SCLK Low
4
4
4
4
4
4
3
2
(Refer to Figure 40 and Figure 41)
2
3
(Refer to Figure 37 and Figure 38)
3
4
REF
= 2.5 V; all specifications T
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Symbol
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t
t
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t
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t
t
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t
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t
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t
t
t
t
1
2
3
4
5
6
7
8
9
38
39
10
11
12
13
14
15
16
17
18
19
20
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22
23
24
25
26
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28
29
30
31
32
33
34
35
36
37
L
MIN
of 10 pF; otherwise, the load is 60 pF maximum.
to T
Min
15
750
10
125
15
2
2
0.5
8
2
3
1
0
0
5
1
5
5
12.5
5
5
MAX
, unless otherwise noted.
Typ
1
10
600
263
See Table 4
500
13
Max
70
23
560
560
560
20
15
10
10
10
12
10
10
10
8
1
AD7623
Unit
ns
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ns