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參數資料
| 型號： | ADC1251 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Self-Calibrating 12-Bit Plus Sign A/D Converter with Sample-and-Hold |
| 中文描述： | 自校準12位帶符號的A / D轉換器的采樣保持電路 |
| 文件頁數： | 1/16頁 |
| 文件大?。?/td> | 301K |
| 代理商： | ADC1251 |
TL/H/11024
A
December 1994
ADC1251 Self-Calibrating 12-Bit Plus Sign
A/D Converter with Sample-and-Hold
General Description
The ADC1251 is a CMOS 12-bit plus sign successive ap-
proximation analog-to-digital converter. On request, the
ADC1251 goes through a self-calibration cycle that adjusts
for any zero, full scale, or linearity errors. The ADC1251 also
has the ability to go through an Auto-Zero cycle that cor-
rects the zero error during every conversion.
The analog input to the ADC1251 is tracked and held by the
internal circuitry, so an external sample-and-hold is not re-
quired. The ADC1251 has an S/H control input which direct-
ly controls the track-and-hold state of the A/D. A unipolar
analog input voltage range (0 to
a
5V) or a bipolar range
(
b
5V to
a
5V) can be accommodated with
g
5V supplies.
The 13-bit data result is available on the eight outputs of the
ADC1251 in two bytes, high-byte first and sign extended.
The digital inputs and outputs are compatible with TTL or
CMOS logic levels.
Features
Y
Self-calibration provides excellent temperature stability
Y
Internal sample-and-hold
Y
8-bit
m
P/DSP interface
Y
Bipolar input range with a single
a
5V reference
Y
No missing codes over temperature
Y
TTL/MOS input/output compatible
Key Specifications
Y
Resolution
12 bits plus sign
8
m
s (max)
83 kHz (max)
Y
Conversion Time
Y
Sampling Rate
Y
Linearity Error
g
0.6 LSB (
g
0.0146%) (max)
Y
Zero Error
g
1 LSB (max)
g
1.5 LSB (max)
113 mW (max)
Y
Full Scale Error
Y
Power Consumption
@
g
5V
Applications
Y
Digital signal processing
Y
High resolution process control
Y
Instrumentation
Simplified Block Diagram
TL/H/11024–1
Connection Diagram
Dual-In-Line Package
TL/H/11024–2
Top View
Ordering Information
Industrial
Package
(
b
40
§
C
s
T
A
s
a
85
§
C)
ADC1251BIJ,
ADC1251CIJ
J24A
Military
Package
(
b
55
§
C
s
T
A
s
a
125
§
C)
ADC1251CMJ,
ADC1251CMJ/883
J24A
TRI-STATE
é
is a registered trademark of National Semiconductor Corporation.
C
1995 National Semiconductor Corporation
RRD-B30M115/Printed in U. S. A.
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相關代理商/技術參數 |
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|---|---|
| ADC1251BIJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Self-Calibrating 12-Bit Plus Sign A/D Converter with Sample-and-Hold |
| ADC1251CIJ | 功能描述:IC ADC 12BIT W/S&H +SIGN 24CDIP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 位數:12 采樣率（每秒）:3M 數據接口:- 轉換器數目:- 功率耗散（最大）:- 電壓電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應商設備封裝:SOT-23-6 包裝:帶卷 (TR) 輸入數目和類型:- |
| ADC1251CMJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Self-Calibrating 12-Bit Plus Sign A/D Converter with Sample-and-Hold |
| ADC1251CMJ/883 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Self-Calibrating 12-Bit Plus Sign A/D Converter with Sample-and-Hold |
| ADC1255X | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ADC1255X 10-Bit 250KSPS SAR ADC|Data Sheet |
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