- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄10308 > AD7939BSUZ-REEL7 (Analog Devices Inc)IC ADC 10BIT 8CH PARALL 32TQFP PDF資料下載
參數(shù)資料
| 型號： | AD7939BSUZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 9/36頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 10BIT 8CH PARALL 32TQFP |
| 標(biāo)準(zhǔn)包裝： | 500 |
| 位數(shù)： | 10 |
| 采樣率（每秒）： | 1.5M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 13.5mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-TQFP |
| 供應(yīng)商設(shè)備封裝： | 32-TQFP（7x7） |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 8 個單端，單極；4 個差分，單極；4 個偽差分，單極；7 偽差分，單極 |
| 配用： | EVAL-AD7939CBZ-ND - BOARD EVALUATION FOR AD7939CBZ |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁當(dāng)前第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁
Data Sheet
AD7938/AD7939
Rev. C | Page 17 of 36
SHADOW REGISTER
The shadow register on the AD7938/AD7939 is an 8-bit, write-
only register. Data is loaded from DB0 to DB7 on the rising
edge of WR. The eight LSBs load into the shadow register. The
information is written into the shadow register provided that
the SEQ and SHDW bits in the control register were set to 0 and
1, respectively, in the previous write to the control register. Each
bit represents an analog input from Channel 0 through Channel 7.
A sequence of channels can be selected through which the
AD7938/AD7939 cycles with each consecutive conversion after
the write to the shadow register. To select a sequence of
channels to be converted, if operating in single-ended mode or
Pseudo Mode 2, the associated channel bit in the shadow
register must be set for each required analog input. When
operating in fully differential mode or Pseudo Mode 1, the
associated pair of channel bits must be set for each pair of
analog inputs required in the sequence. With each consecutive
CONVST pulse after the sequencer has been set up, the
AD7938/AD7939 progress through the selected channels in
ascending order, beginning with the lowest channel. This
continues until a write operation occurs with the SEQ and
SHDW bits configured in any way except 1, 0 (see Table 11).
When a sequence is set up in fully differential mode or Pseudo
Mode 1, the ADC does not convert on the inverse pairs (that is,
VIN1, VIN0). The bit functions of the shadow register are
outlined in Table 12. See the Analog Input Selection section for
further information on using the sequencer.
Table 12. Shadow Register Bit Functions
MSB
LSB
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
VIN7
VIN6
VIN5
VIN4
VIN3
VIN2
VIN1
VIN0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MS27508E24B35AB | CONN HSG RCPT 128POS BOX MT PIN |
| AD7266BCPZ-REEL | IC ADC 12BIT 3CHAN 2MSPS 32LFCSP |
| VE-BNP-IX-B1 | CONVERTER MOD DC/DC 13.8V 75W |
| AD7799BRUZ-REEL | IC ADC 24BIT 3CH LP 16-TSSOP |
| VE-BNP-IW-B1 | CONVERTER MOD DC/DC 13.8V 100W |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7940 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3mW, 100kSPS, 14-Bit ADC in 6-Lead SOT-23 |
| AD7940BRJ | 制造商:Analog Devices 功能描述:100 KSPS, 14_BIT ADC SOT 23 PKG I.C. - Bulk |
| AD7940BRJ-R2 | 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 14-bit Serial 6-Pin SOT-23 T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 100KSPS 14BIT SERL 6PIN SOT-23 - Tape and Reel |
| AD7940BRJ-REEL7 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD7940BRJZ-REEL7 | 功能描述:IC ADC 14BIT 100KSPS SOT-23-6 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:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。