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Sony Semiconductor Electronic Components Datasheet

CXA1866Q Datasheet

6-bit 140MSPS Flash A/D Converter

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CXA1866Q pdf
CXA1866Q
6-bit 140MSPS Flash A/D Converter
For the availability of this product, please contact the sales office.
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
NCCLK 25
CD
DCLK 11
NDCLK 12
CD
6bit Latch
6
CLatchA
CLatchB
66
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.
–1–
E93Z35B77


Sony Semiconductor Electronic Components Datasheet

CXA1866Q Datasheet

6-bit 140MSPS Flash A/D Converter

No Preview Available !

CXA1866Q pdf
CXA1866Q
Absolute Maximum Ratings (Ta = 25°C)
Supply voltage
AVEE, DVEE
DVCC1
Analog input voltage
VIN
Reference input voltage
VRT, VRB
Digital input voltage
I VRT – VRB I
DIN2
I CCLK – NCCLK I, I DCLK – NDCLK I
Digital output current
ID0 to ID6
Storage temperature
Tstg
Ambient operating temperature Ta
Allowable power dissipation
PD
–7.0 to +0.5
0.5 to +7.0
–2.7 to +0.5
–2.7 to +0.5
2.5
–4.0 to +0.5
2.5
–30 to +30
–65 to +150
–20 to +75
750
V
V
V
V
V
V
V
mA
°C
°C
mW
Recommended Operating Conditions
Supply voltage
AVEE, DVEE
AVEE – DVEE
AGND – DGND3
DVCC1
Reference input voltage
VRT
VRB
Analog input voltage
VIN
Digital input voltage
DIN (H)
DIN (L)
CCLK, NCCLK frequency
Fcclk
DCLK, NDCLK frequency
Fdclk
CCLK, NCCLK duty
Dcclk
DCLK, NDCLK duty
Ddclk
CCLK-DCLK time difference4 tdcd
Operating temperature
Ta
Min.
–5.5
–0.05
–0.05
4.75
–0.1
–2.2
VRB
–1.1
40
40
–TPWL + 2
–20
Typ.
–5.2
0
0
5.0
0
–2.0
50
50
0
Max.
–4.75
0.05
0.05
5.25
0.1
–0.8
VRT
–1.5
140
70
60
60
TPWH + 1
+75
V
V
V
V
V
V
V
V
MHz
MHz
%
%
ns
°C
1 DVCC = DVCC1, DVCC2
2 DIN = CCLK, NCCLK, DCLK, NDCLK, INV
3 DGND = DGND1, DGND2, DGND3
4 Refer to the Timing Chart 1 for TPWL, TPWH.
Pin Configuration.
Pins without names are NC pins
(not connected).
36 35 34 33 32 31 30 29 28 27 26 25
DVCC2 37
DVCC1 38
DGND1 39
DGND2 40
DVEE 41
DGND3 42
DVCC2 43
DVEE 44
DGND2 45
DGND1 46
DVCC1 47
DVCC2 48
CXA1866Q
(Top View)
24
23 AVEE
22 VRTS
21 VRT
20 AGND
19 VIN
18
17 AGND
16 VRB
15 VRBS
14 AVEE
13
1 2 3 4 5 6 7 8 9 10 11 12
–2–


Part Number CXA1866Q
Description 6-bit 140MSPS Flash A/D Converter
Maker Sony Corporation
Total Page 24 Pages
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