AD9059/PCB Analog Devices Inc, AD9059/PCB Datasheet - Page 4

• Manufacturer Part Number: AD9059/PCB
• Description: BOARD EVAL FOR AD9059
• Manufacturer: Analog Devices Inc

Specifications of AD9059/PCB

• Rohs Status: RoHS non-compliant

AD9059
OUTPUTS
ENCODE
DIGITAL
AIN
N
t
EH
t
t
t
t
t
A
EH
EL
V
PD
N – 3
t
t
A
t
V
EL
t
D7A (MSB)
PD
D0A (LSB)
Figure 1. Timing Diagram
PWRDN
APERTURE DELAY
PULSEWIDTH HIGH
PULSEWIDTH LOW
OUTPUT VALID TIME
OUTPUT PROP DELAY
PIN CONFIGURATION
N + 1
VREF
AINA
GND
D6A
D5A
D4A
D3A
D2A
D1A
V
V
DD
N – 2
D
10
11
12
13
14
1
2
3
4
5
6
7
8
9
(Not to Scale)
N + 2
TOP VIEW
AD9059
N – 1
N + 3
28
27
26
25
24
23
22
21
20
19
18
17
16
15
6.7ns
6.7ns
4.0ns
MIN
N
D7B (MSB)
AINB
GND
ENCODE
V
GND
V
D0B (LSB)
D6B
D5B
D4B
D3B
D2B
D1B
D
DD
N + 4
TYP
2.7ns
9.5ns
6.6n
N + 1
14.2ns
MAX
166ns
166ns
N + 5
N + 2
–4–
Pin No.
1, 28
2
3
4, 25
5, 24, 27
6, 23
7–14
22–15
26
Analog Input (V)
3.0
2.502
2.498
2.0
Table I. Digital Coding (VREF = 2.5 V)
Mnemonic
AINA, AINB Analog Inputs for ADC A and B.
VREF
PWRDN
V
GND
V
D7A–D0A
D7B–D0B
ENCODE
DD
PIN FUNCTION DESCRIPTIONS
D
Voltage Level
Positive Full Scale
Midscale + 1/2 LSB
Midscale – 1/2 LSB
Negative Full Scale
Function
Internal Voltage Reference (2.5 V
Typical); Bypass with 0.1 µF to
Ground or Overdrive with External
Voltage Reference.
Power-Down Function Select; Logic
HIGH for Power-Down Mode
(Digital Outputs Go to High-
Impedance State).
Analog 5 V Power Supply.
Ground.
Digital Output Power Supply.
Nominally 3 V to 5 V.
Digital Outputs of ADC A.
Digital Outputs of ADC B.
Encode Clock for ADCs A and B
(ADCs Sample Simultaneously on
the Rising Edge of ENCODE).
Digital Output
1111 1111
1000 0000
0111 1111
0000 0000
REV. A