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参数资料
| 型号： | ADC-207MC |
| 厂商： | MURATA POWER SOLUTIONS INC |
| 元件分类： | ADC |
| 中文描述： | 1-CH 7-BIT FLASH METHOD ADC, PARALLEL ACCESS, CDIP18 |
| 封装： | ROHS COMPLIANT, CERAMIC, DIP-18 |
| 文件页数： | 1/6页 |
| 文件大小： | 210K |
| 代理商： | ADC-207MC |
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ANALOG INPUT 4
+REFERENCE 6
DIGITAL GROUND 2
ANALOG GROUND 7
RANGE MIDPOINT 5
R/2
R
R
R
R
R/2
R/2
–REFERENCE 3
CS1 8
9
+5V SUPPLY 18
+VDD
1 CLOCK INPUT
CLOCK
GENERATOR
10 OVERFLOW
11 BIT 1 (MSB)
12 BIT 2
13 BIT 3
14 BIT 4
15 BIT 5
16 BIT 6
17 BIT 7 (LSB)
128-TO-7
ENCODER
CS2
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1
2
2
1
Figure 1. ADC-207 Functional Block Diagram (DIP Pinout)
PRODUCT OVERVIEW
FEATURES
■
7-bit flash A/D converter
■
20MHz sampling rate
■
Low power (250mW)
■
Single +5V supply
■
1.2 micron CMOS technology
■
7-bit latched 3-state output with overflow bit
■
Surface-mount versions
■
High-reliability version
■
No missing codes
The ADC-207 is the industry’s first 7-bit flash
converter using an advanced high-speed VLSI
1.2 micron CMOS process. This process offers
some very distinctive advantages over other
processes, making the ADC-207 unique. The
smaller geometrics of the process achieve high
speed, better linearity and superior temperature
performance.
Since the ADC-207 is a CMOS device, it also
has very low power consumption (250mW). The
device draws power from a single +5V supply and
is conservatively rated for 20MHz operation. The
ADC-207 allows using sampling apertures as small
as 12ns, making it more closely approach an ideal
sampler. The small sampling apertures also let the
device operate at greater than 20MHz.
The ADC-207 has 128 comparators which are
auto-balanced on every conversion to cancel out
any offsets due to temperature and/or dynamic
effects. The resistor ladder has a midpoint tap for
use with an external voltage source to improve
integral linearity beyond 7 bits. The ADC-207 also
provides the user with 3-state outputs for easy
interfacing to other components.
There are six models of the ADC-207 covering
two operating temperature ranges, 0 to +70°C and
–55 to +125°C. Two high-reliability "QL" models
are also available.
INPUT/OUTPUT CONNECTIONS
FUNCTION
CLOCK INPUT
DIGITAL GROUND
–REFERENCE
ANALOG INPUT
MIDPOINT
+REFERENCE
ANALOG GROUND
CS1
CS2
OVERFLOW
BIT 1 (MSB)
BIT 2
BIT 3
BIT 4
BIT 5
BIT 6
BIT 7 (LSB)
+5V SUPPLY
DIP Pins
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
LCC Pins
1
4
5
6
7
8
9
11
12
13
14
16
17
19
20
21
23
24
ADC-207
7-Bit, 20MHz, CMOS Flash A/D Converters
DATEL
11 Cabot Boulevard, Mansfield, MA 02048-1151 USA Tel: (508) 339-3000 www.datel.com e-mail: help@datel.com
30 Mar 2011 MDA_ADC-207.B02
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADC-207MM | 制造商:Murata Power Solutions 功能描述:ADC Single Flash 20Msps 7-bit Parallel 18-Pin CDIP |
| ADC-207MM-QL | 制造商:Murata Power Solutions 功能描述:ADC Single Flash 20Msps 7-bit Parallel 18-Pin CDIP |
| ADC208 | 制造商:MPSIND 制造商全称:MPS Industries, Inc. 功能描述:1W, High Isolation SIP, Single & Dual Output DC/DC Converters |
| ADC-208A | 制造商:MURATA-PS 制造商全称:Murata Power Solutions Inc. 功能描述:8-Bit, 20MSPS CMOS Flash A/D (ADC-208 Compatible) |
| ADC-208ALC | 制造商:Murata Power Solutions 功能描述:ADC Single Flash 20Msps 8-bit Parallel 24-Pin CLCC |
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