參數(shù)資料
型號: AD7813YR
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: +2.7 V to +5.5 V, 400 kSPS 8-/10-Bit Sampling ADC
中文描述: 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO16
封裝: 0.150 INCH, SOIC-16
文件頁數(shù): 4/11頁
文件大?。?/td> 185K
代理商: AD7813YR
AD7813
–4–
REV. B
PIN FUNCTION DESCRIPTIONS
Pin
No.
Mnemonic
Description
1
2
3
4
V
REF
V
IN
GND
CONVST
Reference Input, 1.2 V to V
DD
.
Analog Input, 0 V to V
REF
.
Analog and Digital Ground.
Convert Start. A low-to-high transition on this pin initiates a 1
μ
s pulse on an internally generated
CONVST
signal. A high-to-low transition on this line initiates the conversion process if the internal
CONVST
signal is low. Depending on the signal on this pin at the end of a conversion, the AD7813
automatically powers down.
Chip Select. This is a logic input.
CS
is used in conjunction with
RD
to enable outputs.
Read Pin. This is a logic input. When
CS
is low and
RD
goes low, the DB7–DB0 leave their high
impedance state and data is driven onto the data bus.
ADC Busy Signal. This is a logic output. This signal goes logic high during the conversion process.
Data Bit 0 to 7. These outputs are three-state TTL-compatible.
Positive power supply voltage, +2.7 V to +5.5 V.
5
6
CS
RD
7
8–15
16
BUSY
DB0–DB7
V
DD
PIN CONFIGURATION
DIP/SOIC
14
13
12
11
16
15
10
9
8
1
2
3
4
7
6
5
TOP VIEW
(Not to Scale)
AD7813
V
REF
DB5
DB6
DB7
V
DD
V
IN
GND
CONVST
DB2
DB3
DB4
CS
RD
BUSY
DB0
DB1
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