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參數(shù)資料
| 型號： | AD7872KRZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 14BIT SAMPLING 16SOIC |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 83k |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 95mW |
| 電壓電源： | 雙 ± |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC W |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個單端，雙極 |
AD7871/AD7872
–5–
REV. D
AD7872 PIN FUNCTION DESCRIPTION
DIP
No.
Mnemonic
Function
1
CONTROL
Control Input. With this pin at 0 V, the SCLK is noncontinuous; with this pin at –5 V, the SCLK
is continuous.
2
CONVST
Convert Start. A low to high transition on this input puts the track/hold into the hold mode. This
input is asynchronous to the CLK.
3
CLK
Clock Input. An external TTL-compatible clock may be applied to this input. Alternatively, tying
this pin to VSS, enables the internal laser-trimmed oscillator.
4
SSTRB
This is an active low three-state output that provides a framing pulse for serial data. An external
4.7 k
pull-up resistor is required on SSTRB.
5
SCLK
Serial Clock. SCLK is the gated serial clock output derived from the internal or external ADC
clock. If the 14/
8/CLK input is at –5 V, then the SCLK runs continuously. With CONTROL
at 0 V, it is gated off (three-state) after serial transmission is complete. SCLK is an open-drain
output and requires an external 2 k
pull-up resistor.
6
SDATA
Serial Data. This is the three-state serial data output used in conjunction with SCLK and
SSTRB in
serial data transmission. Serial data is valid on the falling edge of SCLK, when
SSTRB is low. An
external 4.7 k
pull-up resistor is required on SDATA.
7
NC
No Connect.
8
DGND
Digital Ground. Ground return for digital circuitry.
9VDD
Positive Supply for analog circuitry, +5 V
± 5%.
10
NC
No Connect.
11
CREF
Decoupling point for on-chip reference. Connect 10 nF capacitor between this pin and AGND.
12
AGND
Analog Ground. Ground reference for analog circuitry.
13
REF OUT
Voltage Reference Output. The internal 3 V reference is provided at this pin. The external load
capability is 500
A.
14
VIN
Analog Input. The input range is
±3 V.
15
VSS
Negative Supply, –5 V
± 5%.
16
VDD
Positive Supply for analog circuitry, +5 V
± 5%. Pin 16 and Pin 9 should be connected together.
PIN CONFIGURATIONS
DIP
DIP, SOIC
PLCC
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|---|---|
| AD7872KRZ-REEL | 功能描述:IC ADC 14BIT SAMPLING 16SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):14 采樣率（每秒）:83k 數(shù)據(jù)接口:串行，并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應(yīng)商設(shè)備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個單端，雙極 |
| AD7872TQ | 制造商:Analog Devices 功能描述:ADC SGL SAR 83KSPS 14BIT SERL 16CDIP - Rail/Tube 制造商:Analog Devices 功能描述:IC ADC 14BIT SAMPLING 16-CDIP 制造商:Analog Devices 功能描述:IC 14-BIT ADC 制造商:Analog Devices 功能描述:CONVERTER - ADC |
| AD7872TQ/883B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 14-Bit |
| AD7872TQ3 | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete 14-Bit, Sampling ADCs |
| AD7873 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Touch Screen Digitizer |
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