AD9842AJST Analog Devices Inc, AD9842AJST Datasheet - Page 11

• Manufacturer Part Number: AD9842AJST
• Description: IC CCD SIGNAL PROC 12BIT 48-LQFP
• Manufacturer: Analog Devices Inc
• Type: CCD Signal Processor, 12-Bitr

Specifications of AD9842AJST

• Rohs Status: RoHS non-compliant
• Input Type: Logic
• Output Type: Logic
• Interface: 3-Wire Serial
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Analog Front End Type: CCD
• Analog Front End Category: Video
• Interface Type: Serial (3-Wire)
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Resolution: 10b
• Number Of Adc's: 1
• Power Supply Type: Analog/Digital
• Operating Temp Range: -20C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 48
• Package Type: LQFP
• Number Of Channels: 1
• Current - Supply: -
• Lead Free Status / RoHS Status: Not Compliant

PIXEL GAIN AMPLIFIER (PxGA) TIMING
HD
VD
HD
VD
PxGA GAIN
NOTE: 0 = GAIN0, 1 = GAIN1, 2 = GAIN2, 3 = GAIN3
NOTE: 0 = GAIN0, 1 = GAIN1, 2 = GAIN2, 3 = GAIN3
PxGA
GAIN
SHP
VD
HD
SHP
VD
HD
0101...
LINE 0
NOTES:
1. BOTH VD AND HD ARE INTERNALLY UPDATED AT SHP RISING EDGES.
2. EVERY HD RISING EDGE WITH A PREVIOUS VD RISING OR FALLING EDGE WILL RESET TO 0101.
3. EVERY HD RISING EDGE WITHOUT A PREVIOUS VD RISING EDGE WILL ALTERNATE BETWEEN 0101... AND 2323.
0101...
LINE 0
NOTES:
1. MINIMUM PULSEWIDTH FOR HD AND VD IS 5 PIXEL CYCLES.
2. BOTH VD AND HD ARE INTERNALLY UPDATED AT SHP RISING EDGES. MINIMUM SET-UP TIME IS 3ns.
3. EVERY HD RISING EDGE WITH A PREVIOUS VD RISING EDGE WILL RESET TO 0101.
4. EVERY HD RISING EDGE WITHOUT A PREVIOUS VD RISING EDGE WILL ALTERNATE BETWEEN 0101... AND 2323.
2323...
LINE 1
3ns MIN
2323...
LINE 1
FRAME n
5 PIXEL MIN
0101...
LINE 2
EVEN FIELD
LINE 2
0101...
5 PIXEL MIN
LINE m–1
LINE m–1
3ns MIN
LINE m
LINE m
GAINX
GAINX
0101...
GAIN0
3ns MIN
LINE 0
0101...
LINE 0
3ns MIN
GAIN0
GAIN1
GAIN1
2323...
LINE 1
2323...
LINE 1
ODD FIELD
GAIN0
FRAME n+1
GAIN0
0101...
AD9841A/AD9842A
LINE 2
0101...
LINE 2
GAINX
GAINX
LINE m–1
GAIN2
LINE m–1
GAIN2
GAIN3
GAIN3
LINE m
LINE m