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ADS823 Datasheet(PDF) 4 Page - Texas Instruments

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Part No. ADS823
Description  10-Bit, 60MHz Sampling ANALOG-TO-DIGITAL CONVERTER
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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ADS823 Datasheet(HTML) 4 Page - Texas Instruments

 
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ADS823, ADS826
SBAS070B
4
www.ti.com
TIMING DIAGRAM
SYMBOL
DESCRIPTION
MIN
TYP
MAX
UNITS
tCONV
Convert Clock Period
16.6
100
µsns
tL
Clock Pulse LOW
7.9
8.3
ns
tH
Clock Pulse HIGH
7.9
8.3
ns
tD
Aperture Delay
3
ns
t1
Data Hold Time, CL = 0pF
3.9
ns
t2
New Data Delay Time, CL = 15pF max
12
ns
5 Clock Cycles
Data Invalid
t
D
t
L
t
H
t
CONV
N – 5N – 4N – 3N – 2N – 1
N
N + 1
N + 2
Data Out
Clock
Analog In
N
t
2
N + 1
N + 2
N + 3
N + 4
N + 5
N + 6
N + 7
t
1
Top View
SSOP
PIN CONFIGURATION
PIN
DESIGNATOR
DESCRIPTION
1
GND
Ground
2
Bit 1
Data Bit 1 (D9) (MSB)
3
Bit 2
Data Bit 2 (D8)
4
Bit 3
Data Bit 3 (D7)
5
Bit 4
Data Bit 4 (D6)
6
Bit 5
Data Bit 5 (D5)
7
Bit 6
Data Bit 6 (D4)
8
Bit 7
Data Bit 7 (D3)
9
Bit 8
Data Bit 8 (D2)
10
Bit 9
Data Bit 9 (D1)
11
Bit 10
Data Bit 10 (D0) (LSB)
12
OE
Output Enable. HI: High Impedance State.
LO: Normal Operation (Internal Pull-Down
Resistor)
13
PD
Power Down: HI = Power Down; LO = Normal
14
CLK
Convert Clock Input
15
+VS
+5V Supply
16
GND
Ground
17
RSEL
Input Range Select: HI = 2V; LO = 1V
18
INT/EXT
Reference Select: HI = External; LO = Internal
19
REFB
Bottom Reference
20
ByB
Bottom Ladder Bypass
21
ByT
Top Ladder Bypass
22
REFT
Top Reference
23
CM
Common-Mode Voltage Output
24
IN
Complementary Input (–)
25
IN
Analog Input (+)
26
GND
Ground
27
+VS
+5V Supply
28
VDRV
Output Logic Driver Supply Voltage
PIN DESCRIPTIONS
GND
Bit 1 (MSB)
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Bit 8
Bit 9
Bit 10 (LSB)
OE
PD
CLK
VDRV
+V
S
GND
IN
IN
CM
REFT
ByT
ByB
REFB
INT/EXT
RSEL
GND
+V
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
ADS823
ADS826


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