參數(shù)資料
型號(hào): AD7858AR
廠商: Analog Devices Inc
文件頁(yè)數(shù): 28/32頁(yè)
文件大小: 0K
描述: IC ADC 12BIT 8CH SRL 24-SOIC
標(biāo)準(zhǔn)包裝: 31
位數(shù): 12
采樣率(每秒): 200k
數(shù)據(jù)接口: 8051,QSPI?,串行,SPI? µP
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 33mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 24-SOIC W
包裝: 管件
輸入數(shù)目和類型: 8 個(gè)單端,單極;4 個(gè)偽差分,單極
AD7858/AD7858L
REV. B
–5–
TYPICAL TIMING DIAGRAMS
Figures 2 and 3 show typical read and write timing diagrams for
serial Interface Mode 2. The reading and writing occurs after
conversion in Figure 2, and during conversion in Figure 3. To
attain the maximum sample rate of 100 kHz (AD7858L) or
200 kHz (AD7858), reading and writing must be performed
during conversion as in Figure 3. At least 400 ns acquisition
time must be allowed (the time from the falling edge of BUSY
to the next rising edge of
CONVST) before the next conversion
begins to ensure that the part is settled to the 12-bit level. If the
user does not want to provide the
CONVST signal, the conver-
sion can be initiated in software by writing to the control register.
1.6mA
200 A
IOL
IOH
TO
OUTPUT
PIN
CL
100pF
+2.1V
Figure 1. Load Circuit for Digital Output Timing
Specifications
tCONVERT = 4.6 s MAX, 10 s MAX FOR L VERSION
t1 = 100ns MIN, t4 = 50/90ns MAX 5V/3V, t7 = 40/60ns MIN 5V/3V
t1
tCONVERT
t3
t4
t6
t2
t6
t9
t10
t11
t12
t7
t8
THREE-STATE
15
6
16
DB15
DB11
DB0
DB15
DB11
DB0
CONVST (I/P)
BUSY (O/P)
SYNC (I/P)
SCLK (I/P)
DOUT (O/P)
DIN (I/P)
THREE-
STATE
Figure 2. AD7858/AD7858L Timing Diagram for Interface Mode 2 (Reading/Writing After Conversion)
tCONVERT = 4.6 s MAX, 10 s MAX FOR L VERSION
t1 = 100ns MIN, t4 = 50/90ns MAX 5V/3V, t7 = 40/60ns MIN 5V/3V
t1
tCONVERT
t3
t4
t6
t2
t6
t9
t10
t11
t12
t7
t8
THREE-STATE
15
6
16
DB15
DB11
DB0
DB15
DB11
DB0
CONVST (I/P)
BUSY (O/P)
SYNC (I/P)
SCLK (I/P)
DOUT (O/P)
DIN (I/P)
THREE-
STATE
Figure 3. AD7858/AD7858L Timing Diagram for Interface Mode 2 (Reading/Writing During Conversion)
相關(guān)PDF資料
PDF描述
ADM211EARUZ-REEL IC TXRX RS-232 5V 0.1UF 28TSSOP
ADM213EARUZ-REEL IC TXRX RS-232 5V 0.1UF 28TSSOP
MS27474T8B35S CONN RCPT 6POS JAM NUT W/SCKT
MS3108E14S-5S CONN PLUG 5POS RT ANG W/SCKT
MS27472E12A98PA CONN RCPT 10POS WALL MT W/PINS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD7858AR-REEL 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 12-bit Serial 24-Pin SOIC W T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 200KSPS 12-BIT SERL 24SOIC W - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:SELF CAL.SERIAL 8CH. 12-BIT ADC I.C. - Tape and Reel
AD7858ARZ 功能描述:IC ADC 12BIT 8CH SRL 24-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率(每秒):20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散(最大):155mW 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP(7x7) 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個(gè)單端,單極;2 個(gè)差分,單極 產(chǎn)品目錄頁(yè)面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6
AD7858ARZ-REEL 功能描述:IC ADC 12BIT 8CHAN SRL 24SOIC 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:1,000 系列:- 位數(shù):12 采樣率(每秒):300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散(最大):75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC(0.295",7.50mm 寬) 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個(gè)單端,單極;1 個(gè)單端,雙極
AD7858BN 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADC
AD7858BNZ 功能描述:IC ADC 12BIT 8CHAN SRL 24DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):12 采樣率(每秒):3M 數(shù)據(jù)接口:- 轉(zhuǎn)換器數(shù)目:- 功率耗散(最大):- 電壓電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-23-6 包裝:帶卷 (TR) 輸入數(shù)目和類型:-