參數(shù)資料
型號(hào): AD7810YR
廠商: Analog Devices Inc
文件頁(yè)數(shù): 6/11頁(yè)
文件大小: 0K
描述: IC ADC 10BIT 2.7V 8-SOIC
產(chǎn)品變化通告: Product Discontinuance 27/Oct/2011
標(biāo)準(zhǔn)包裝: 98
位數(shù): 10
采樣率(每秒): 350k
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 17.5mW
電壓電源: 單電源
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 管件
輸入數(shù)目和類型: 2 個(gè)偽差分,單極
AD7810
–4–
REV. B
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.
2VIN+
Positive input of the pseudo differential analog input.
3VIN–
Negative input of the pseudo differential analog input.
4
GND
Ground reference for analog and digital circuitry.
5VREF
External reference is connected here.
6DOUT
Serial data is shifted out on this pin.
7
SCLK
Serial Clock. An external serial clock is applied here.
8V
DD
Positive Supply Voltage 2.7 V to 5.5 V.
PIN CONFIGURATION
DIP/SOIC
1
2
3
4
8
7
6
5
TOP VIEW
(Not to Scale)
AD7810
CONVST
VIN+
VIN
GND
VDD
SCLK
DOUT
VREF
THROUGHPUT – kSPS
10
1
0.01
030
POWER
mW
10
0.1
20
40
50
Figure 2. Power vs. Throughput
Typical Performance Characteristics
FREQUENCY BINS
–115
dBs
–95
1
23
45
67
89
111
133
155
177
199
221
243
265
287
309
331
353
375
397
419
441
463
485
507
529
551
573
595
617
639
661
683
705
727
749
771
793
815
837
859
881
903
925
947
969
991
1013
–75
–55
–35
–15
2048 POINT FFT
SAMPLING 357.142kSPS
FIN = 30kHz
Figure 3. AD7810 SNR
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