AD9000 데이터 시트보기 (PDF) - Analog Devices
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AD9000 Datasheet PDF : 8 Pages
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AD9000
DIE LAYOUT
Device
ORDERING GUIDE1
Temperature
Range
Description
Package
Option2
AD9000JD
AD9000SD
AD9000SE
0°C to +70°C
–55°C to +125°C
–55°C to +125°C
16-Pin DIP, Industrial D-16
16-Pin DIP
D-16
28-Pin LCC
E-28A
NOTES
1MIL-STD-883 versions available, contact factory.
2D = Ceramic DIP; E = Leadless Ceramic Chip Carrier.
PIN DESIGNATIONS
MECHANICAL INFORMATION
Die Dimensions . . . . . . . . . . . . . . . . 129 × 217 × 15 (± 2) mils
Pad Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 × 4 mils
Metalization . . . . . . . . . . . . . . . . . . . . . . . 10,000Å Aluminum
Backing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . None
Substrate Potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –VS
Passivation . . . . . . . . . . . . . . . . . . . . . . . . 10,000Å Oxynitride
Die Attach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gold Eutectic
Bond Wire . . . . . . . . 1.25 mil Aluminum; Ultrasonic Bonding
or 1 mil Gold; Gold Ball Bonding
Pin Name
Description
PIN DESCRIPTIONS
–VS
ANALOG GROUND
VH
ENCODE
–VREF
AIN
+VS
+VREF
BIT 6 (LSB)
BIT 5 – BIT 2
BIT 1 (MSB)
OVERFLOW
DIGITAL GROUND
Negative supply terminal, nominally –5.2 V.
Analog ground return. All grounds should be connected together near the AD9000.
The hysteresis control voltage varies the comparator hysteresis from 15 mV to 50 mV, for a change of 0 V
to +3 V at the hysteresis control pin.
The ENCODE pin controls the conversion cycle. Encode is rising edge sensitive and should be driven
with a 50% duty-cycle waveform under normal conditions.
The most negative reference voltage for the internal resistor ladder.
Analog input pin.
Positive supply terminal, nominally +5.0 V.
Most positive reference voltage of the internal resistor ladder.
One of six digital outputs. BIT 6 (LSB) is the least-significant-bit of the digital output.
One of six digital outputs.
One of six digital outputs. BIT 1 (MSB) is the most-significant-bit of the digital output.
Overflow data output. Logic high indicates an input overvoltage (AIN ≥ +VREF).
Digital ground return. All grounds should be connected together near the AD9000.
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD9000 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
–4–
REV. A
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