參數(shù)資料
型號(hào): ADC10061CIWM
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: ADC
英文描述: 10-Bit 600 ns A/D Converter with Input Multiplexer and Sample/Hold
中文描述: 1-CH 10-BIT FLASH METHOD ADC, PARALLEL ACCESS, PDSO20
封裝: SOP-20
文件頁(yè)數(shù): 1/14頁(yè)
文件大小: 333K
代理商: ADC10061CIWM
ADC10061/ADC10062/ADC10064
10-Bit 600 ns A/D Converter with Input Multiplexer and
Sample/Hold
General Description
Using an innovative, patented multistep
*
conversion tech-
nique, the 10-bit ADC10061, ADC10062, and ADC10064
CMOS analog-to-digital converters offer sub-microsecond
conversion times yet dissipate a maximum of only 235 mW.
The ADC10061, ADC10062, and ADC10064 perform a
10-bit conversion in two lower-resolution “flashes”, thus
yielding a fast A/D without the cost, power dissipation, and
other problems associated with true flash approaches. The
ADC10061 is pin-compatible with the ADC1061 but much
faster, thus providing a convenient upgrade path for the
ADC1061.
The analog input voltage to the ADC10061, ADC10062, and
ADC10064 is sampled and held by an internal sampling cir-
cuit. Input signals at frequencies from dc to over 200 kHz
can therefore be digitized accurately without the need for an
external sample-and-hold circuit.
The ADC10062 and ADC10064 include a “speed-up” pin.
Connecting an external resistor between this pin and ground
reduces the typical conversion time to as little as 350 ns with
only a small increase in linearity error.
For ease of interface to microprocessors, the ADC10061,
ADC10062, and ADC10064 have been designed to appear
as a memory location or I/O port without the need for exter-
nal interface logic.
*
U.S. Patent Number 4918449
Features
n
Built-in sample-and-hold
n
Single +5V supply
n
1, 2, or 4-input multiplexer options
n
No external clock required
n
Speed adjust pin for faster conversions (ADC10062
and ADC10064). See ADC10662/4 for high speed
guaranteed performance.
Key Specifications
n
Conversion time to 10 bits
n
n
Sampling Rate
n
Low power dissipation
n
Total unadjusted error
n
No missing codes over temperature
600 ns typical,
900 ns max over temperature
800 kHz
235 mW (max)
±
1.0 LSB (max)
Applications
n
Digital signal processor front ends
n
Instrumentation
n
Disk drives
n
Mobile telecommunications
Simplified Block Diagram
TRI-STATE
is a registered trademark of National Semiconductor Corporation.
DS011020-1
*
ADC10061 Only
**
ADC10062 and ADC10064 Only
***
ADC10064 Only
June 1999
A
S
1999 National Semiconductor Corporation
DS011020
www.national.com
相關(guān)PDF資料
PDF描述
ADC10062 10-Bit 600 ns A/D Converter with Input Multiplexer and Sample/Hold
ADC10062CIWM 10-Bit 600 ns A/D Converter with Input Multiplexer and Sample/Hold
ADC10064 10-Bit 600 ns A/D Converter with Input Multiplexer and Sample/Hold
ADC10064CIWM 10-Bit 600 ns A/D Converter with Input Multiplexer and Sample/Hold
ADC10065 ADC10065 10-Bit 65 MSPS 3V A/D Converter
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