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Sony Semiconductor Electronic Components Datasheet

CXA3026AQ Datasheet

8-bit 140MSPS Flash A/D Converter

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CXA3026AQ
8-bit 140MSPS Flash A/D Converter
Description
The CXA3026AQ is an 8-bit high-speed flash A/D
converter capable of digitizing analog signals at the
maximum rate of 140MSPS. ECL, PECL or TTL can
be selected as the digital input level in accordance
with the application. The TTL digital output level
allows 1: 2 demultiplexed output.
48 pin QFP (Plastic)
Features
Differential linearity error: ±0.5LSB or less
Integral linearity error: ±0.5LSB or less
High-speed operation with a maximum
conversion rate of 140MSPS
Low input capacitance: 21 pF
Wide analog input bandwidth: 150 MHz
Low power consumption: 790 mW
Low error rate
Excellent temperature characteristics
1: 2 demultiplexed output
1/2 frequency divided clock output
(with reset function)
Compatible with ECL, PECL and TTL digital input
levels
Single +5 V power supply operation available
Surface mounting package
LEAD TREATMENT: PALLADIUM PLATING
Structure
Bipolar silicon monolithic IC
Applications
Magnetic recording (PRML)
Communications (QPSK, QAM)
LCDs
Digital oscilloscopes
Pin Configuration (Top View)
12 11 10 9 8 7 6 5 4 3 2 1
CLK/E 13
48 RESETN/E
CLKN/E 14
47 RESET/E
CLK/T 15
46 RESETN/T
N.C. 16
45 SELECT
N.C. 17
44 INV
N.C. 18
43 CLKOUT
DVCC2 19
42 DVCC2
DGND2 20
41 DGND2
P2D0 21
40 P1D7
P2D1 22
39 P1D6
P2D2 23
38 P1D5
P2D3 24
37 P1D4
25 26 27 28 29 30 31 32 33 34 35 36
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—
E96304C92


Sony Semiconductor Electronic Components Datasheet

CXA3026AQ Datasheet

8-bit 140MSPS Flash A/D Converter

No Preview Available !

CXA3026AQ
Absolute Maximum Ratings (Ta = 25 °C)
Unit
Supply voltage
AVCC, DVCC1, DVCC2
–0.5 to +7.0
V
DGND3
–0.5 to +7.0
V
DVEE3
–7.0 to +0.5
V
DGND3 – DVEE3
–0.5 to +7.0
V
Analog input voltage
VIN
VRT – 2.7 to AVCC
V
Reference input voltage VRT
2.7 to AVCC
V
VRB
VIN – 2.7 to AVCC
V
|VRT – VRB|
2.5 V
Digital input voltage
ECL (∗∗∗/E1)
DVEE3 to +0.5
V
PECL (∗∗∗/E)
–0.5 to DGND3
V
TTL (∗∗∗/T, INV)
–0.5 to DVCC1
V
other (SELECT)
–0.5 to DVCC1
V
VID2 (|∗∗∗/E – ∗∗∗N/E|)
2.7
V
Storage temperature
Tstg
–65 to +150
°C
Allowable power dissipation PD
2W
(when mounted on a glass fabric base epoxy board with 50mm x 50mm, 1.6mm thick)
Recommended Operating Conditions
With a single power supply With dual power supplies Unit
Min. Typ. Max. Min.
Typ. Max.
Supply voltage
DVCC1, DVCC2, AVCC +4.75 +5.0 +5.25 +4.75 +5.0 +5.25 V
DGND1, DGND2, AGND –0.05 0 +0.05 –0.05
0 +0.05 V
DGND3
+4.75 +5.0 +5.25 –0.05
0 +0.05 V
DVEE3
–0.05 0 +0.05 –5.5 –5.0 –4.75 V
Analog input voltage VIN
VRB
VRT
VRB
VRT V
Reference input voltage VRT
+2.9 +4.1 +2.9
+4.1 V
VRB
+1.4 +2.6 +1.4
+2.6 V
|VRT – VRB|
1.5 2.1 1.5
2.1 V
Digital input voltage ECL (∗∗∗/E) : VIH
DGND3 – 1.05 DGND3 – 0.5 V
: VIL DGND3 – 3.2 DGND3 – 1.4 V
PECL (∗∗∗/E) : VIH DGND3 – 1.05 DGND3 – 0.5
V
: VIL DGND3 – 3.2 DGND3 – 1.4
V
TTL (∗∗∗/T, INV) : VIH
2.0
2.0
V
: VIL
0.8
0.8 V
other (SELECT) : VIH
DVCC1
DVCC1
V
: VIL DGND1
DGND1
V
VID2 (|∗∗∗/E – ∗∗∗N/E|) 0.4
0.8
0.4 0.8
V
Maximum conversion rate Fc (Straight mode) 100
100 MSPS
(DMUX mode)
140
140 MSPS
Ambient temperature Ta
–20 +75 –20
+75 °C
1 ∗∗∗/E and ∗∗∗/T indicate CLK/E and CLK/T, etc. for the pin name.
2 VID: Input Voltage Differential
ECL and PECL switching level
VID
—2—
DGND3
VIH (max.)
VIL
VTH (DGND3–1.2V)
VIH
VIL (min.)


Part Number CXA3026AQ
Description 8-bit 140MSPS Flash A/D Converter
Maker Sony Corporation
Total Page 29 Pages
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