參數(shù)資料
型號: AD7810YR
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: ECONOLINE: REC2.2-S_DR/H1 - 2.2W DIP Package- 1kVDC Isolation- Regulated Output- UL94V-0 Package Material- Continuous Short Circiut Protection- Internal SMD design- 100% Burned In- Efficiency to 75%
中文描述: 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
封裝: SOIC-8
文件頁數(shù): 4/11頁
文件大?。?/td> 142K
代理商: AD7810YR
AD7810
–4–
REV. A
PIN FUNCTION DESCRIPTIONS
Pin No.
Mnemonic
Description
1
CONVST
Convert Start. Falling edge puts the track-and-hold into hold mode and initiates a conversion.
A rising edge on the
CONVST
pin enables the serial port of the AD7810. This is useful in multi-
package applications where a number of devices share the same serial bus. The state of this pin at
the end of conversion also determines whether the part is powered down or not. See Operating
Modes section of this data sheet.
Positive input of the pseudo differential analog input.
Negative input of the pseudo differential analog input.
Ground reference for analog and digital circuitry.
External reference is connected here.
Serial data is shifted out on this pin.
Serial Clock. An external serial clock is applied here.
Positive Supply Voltage 2.7 V to 5.5 V.
2
3
4
5
6
7
8
V
IN+
V
IN–
GND
V
REF
D
OUT
SCLK
V
DD
PIN CONFIGURATION
DIP/SOIC
1
2
3
4
8
7
6
5
(TOP VIEW
AD7810
CONVST
V
IN
+
V
IN
GND
V
DD
SCLK
D
OUT
V
REF
THROUGHPUT – kSPS
10
1
0.010
30
P
10
0.1
20
40
50
Figure 2. Power vs. Throughput
Typical Performance Characteristics
FREQUENCY BINS
–115
d
–95
1
2
4
6
8
1
1
1
1
1
2
2
2
2
3
3
3
3
3
4
4
4
4
5
5
5
5
5
6
6
6
6
7
7
7
7
7
8
8
8
8
9
9
9
9
9
1
–75
–55
–35
–15
2048 POINT FFT
SAMPLING 357.142kSPS
F
IN
= 30kHz
Figure 3. AD7810 SNR
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