參數(shù)資料
型號: ADC088S102EVAL
廠商: National Semiconductor Corporation
英文描述: 8-Channel, 500 kSPS to 1 MSPS, 8-Bit A/D Converter
中文描述: 8通道,500 kSPS的1 MSPS的,8位A / D轉(zhuǎn)換器
文件頁數(shù): 2/17頁
文件大小: 830K
代理商: ADC088S102EVAL
Block Diagram
20166507
Pin Descriptions and Equivalent Circuits
Pin No.
ANALOG I/O
4 - 11
DIGITAL I/O
Symbol
Equivalent Circuit
Description
IN0 to IN7
Analog inputs. These signals can range from 0V to V
REF
.
16
SCLK
Digital clock input. The guaranteed performance range of
frequencies for this input is 8 MHz to 16 MHz. This clock
directly controls the conversion and readout processes.
Digital data output. The output samples are clocked out of this
pin on the falling edges of the SCLK pin.
Digital data input. The ADC088S102’s Control Register is
loaded through this pin on rising edges of the SCLK pin.
Chip select. On the falling edge of CS, a conversion process
begins. Conversions continue as long as CS is held low.
15
DOUT
14
DIN
1
CS
POWER SUPPLY
2
V
A
Positive analog supply pin. This voltage is also used as the
reference voltage. This pin should be connected to a quiet
+2.7V to +5.25V source and bypassed to GND with 1 μF and
0.1 μF monolithic ceramic capacitors located within 1 cm of
the power pin.
Positive digital supply pin. This pin should be connected to a
+2.7V to V
A
supply, and bypassed to GND with a 0.1 μF
monolithic ceramic capacitor located within 1 cm of the power
pin.
The ground return for the analog supply and signals.
The ground return for the digital supply and signals.
13
V
D
3
12
AGND
DGND
A
www.national.com
2
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