CXA1866Q Datasheet, PDF (1/24 Pages) Sony Corporation – 6-bit 140MSPS Flash A/D Converter

CXA1866Q
6-bit 140MSPS Flash A/D Converter
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Description
The CXA1866Q is a 6-bit ultra-high-speed flash
A/D converter IC capable of digitizing analog
signals at the maximum rate of 140MSPS. The
digital input level is compatible with ECL
100K/10KH/10K.
48 pin QFP (Plastic)
Features
• Ultra-high-speed operation with maximum
conversion rate of 140MSPS
• Low input capacitance: 7pF
• Wide analog input bandwidth: 210MHz
• Low power consumption: 325mW
• Low error rate
• Excellent temperature characteristics
• 1 : 2 demultiplexed output (TTL level)
Block Diagram
15
Structure
Bipolar silicon monolithic IC
Applications
• Magnetic recording (PRML)
• Communications (QPSK, QAM)
• Liquid crystal display
19
22
VRB 16
Reference Resistance Chain
21 VRT
COMPARATOR
INV 27
CCLK 26
CD
NCCLK 25
DCLK 11
CD
NDCLK 12
6bit Latch
6
CLatchA
CLatchB
6
6
TTLOUT
41 DVEE
23 AVEE
20 ^AGND
46 DGND1
45 DGND2
42 DGND3
47 DVCC1
48 DVCC2
7 6 5 4 3 2 35 34 33 32 31 30
CD; Clock Driver
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
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