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CXA3256R 데이터시트 PDF




Sony Corporation에서 제조한 전자 부품 CXA3256R은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 CXA3256R 자료 제공

부품번호 CXA3256R 기능
기능 8-bit 120MSPS Flash A/D Converter
제조업체 Sony Corporation
로고 Sony Corporation 로고


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CXA3256R 데이터시트, 핀배열, 회로
CXA3256R
8-bit 120MSPS Flash A/D Converter
Description
The CXA3256R is an 8-bit high-speed flash A/D
converter capable of digitizing analog signals at the
maximum rate of 120MSPS. 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.
The CXA3256R is easier to be used by adding the
new functions to the CXA3246Q and adopting a
ultra-small package.
Features
Differential linearity error: ±0.5LSB or less
Integral linearity error: ±0.5LSB or less
High-speed operation with a maximum conversion
rate of 120MSPS
Low input capacitance: 10pF
Wide analog input bandwidth: 250MHz
Low power consumption: 500mW
Power saving function
1: 2 demultiplexed output
1/2 frequency-divided clock output
(with reset function)
Compatible with ECL, PECL and TTL digital input
levels
TTL output "H" levels: 2.8V (Typ.)
Output voltage control function (VOCLP)
+3.3V line CMOS IC direct connecting available
Single +5V power supply operation available
Ultra-small surface mounting package (48-pin LQFP)
Pin Configuration (Top View)
48 pin LQFP (Plastic)
LEAD TREATMENT: PALLADIUM PLATING
Structure
Bipolar silicon monolithic IC
Applications
Magnetic recording (PRML)
Communications (QPSK, QAM)
LCDs
Digital oscilloscopes
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
SELECT2 16
45 SELECT1
VOCLP 17
PS 18
DVCC2 19
DGND2 20
PAD0 21
PAD1 22
PAD2 23
PAD3 24
44 INV
43 CLKOUT
42 DVCC2
41 DGND2
40 PBD7
39 PBD6
38 PBD5
37 PBD4
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–
E98305A8X-PS




CXA3256R pdf, 반도체, 판매, 대치품
Block Diagram
AVCC
VRT 11
r1
VRM3 9
58
r/2
r
1
r
2
r •••
63
r
64
r
65
r •••
126
r
VRM2 7
VIN 6
127
r
128
r
VRM1 4
129
r •••
191
r
192
r
193
r •••
254
r
VRB 2
r2 r/2
255
CLK/T 15
CLK/E 13
CLKN/E 14
RESETN/T 46
RESETN/E 48
RESET/E 47
3 10
AGND
CXA3256R
DVCC2
INV DVCC1
DGND3
44 30 19 31 42 12
6bit
8bit
6bit
(MSB)
40 PBD7
39 PBD6
38 PBD5
37 PBD4
36 PBD3
35 PBD2
34 PBD1
33 PBD0
(LSB)
6bit
8bit
6bit
DQ
Q
Select
(MSB)
28 PAD7
27 PAD6
26 PAD5
25 PAD4
24 PAD3
23 PAD2
22 PAD1
21 PAD0
(LSB)
16 SELECT2
17 VOCLP
18 PS
43 CLKOUT
45 29 20 32 41
SELECT1 DGND1
DGND2
1
DVEE3
–4–

4페이지










CXA3256R 전자부품, 판매, 대치품
CXA3256R
Pin
No.
Symbol
I/O
Standard
voltage level
11 VRT
I
4.0V
(typ.)
9 VRM3
7 VRM2
4 VRM1
2 VRB
VRB +
3 (VRT – VRB)
4
VRB +
2
4
(VRT – VRB)
VRB +
1
4
(VRT – VRB)
I
2.0V
(typ.)
Equivalent circuit
r1
11
r/2
r
Comparator 1
r
9
r Comparator 63
Comparator 64
Comparator 127
7r
Comparator 128
Comparator 191
4r
Comparator 192
r
Comparator 255
r/2
2
r2
Description
Top reference voltage.
By-pass to AGND with a 1µF tantal
capacitor and a 0.1µF chip capacitor.
Reference voltage mid point.
By-pass to AGND with a 0.1µF chip
capacitor.
Reference voltage mid point.
By-pass to AGND with a 0.1µF chip
capacitor.
Reference voltage mid point.
By-pass to AGND with a 0.1µF chip
capacitor.
Bottom reference voltage.
By-pass to AGND with a 1µF tantal
capacitor and a 0.1µF chip capacitor.
AVCC
Comparator
AVCC
6 VIN
VRT
I to
VRB
6
Analog input.
Vref
DVEE3
AGND
21 PAD0
to to
28 PAD7
33 PBD0
to to
40 PBD7
O
O
43 CLKOUT O
DVCC1
TTL
DGND1
DVCC2
Port A side data output.
TTL output; the high level is
clamped to approximately 2.8V.
21 to 28
33 to 40
43
DGND2
DVEE3
Port B side data output.
TTL output; the high level is
clamped to approximately 2.8V.
Clock output.
(See Table 2. Operation Mode Table.)
TTL output; the high level is
clamped to approximately 2.8V.
–7–

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관련 데이터시트

부품번호상세설명 및 기능제조사
CXA3256R

8-bit 120MSPS Flash A/D Converter

Sony Corporation
Sony Corporation

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