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參數資料
| 型號： | AD7994BRU-1 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 4-Channel, 12-/10-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP |
| 中文描述： | 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| 封裝： | MO-153-AB, TSSOP-16 |
| 文件頁數： | 6/27頁 |
| 文件大?。?/td> | 277K |
| 代理商： | AD7994BRU-1 |
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AD7994/AD7993
I
2
C TIMING SPECIFICATIONS
1
(
Continued.)
–6–
REV. PrF
PRELIMINARY TECHNICAL DATA
AD7994/AD7993
Limit at T
MIN
, T
MAX
MIN
0
0
Parameter Conditions
t
4
Standard Mode
Fast Mode
High-Speed Mode, C
B
= 100pF max 0
High-Speed Mode, C
B
= 400pF max 0
t
5
Standard Mode
Fast Mode
High-Speed Mode
t
6
Standard Mode
Fast Mode
High-Speed Mode
t
7
Standard Mode
Fast Mode
t
8
Standard Mode
Fast Mode
High-Speed Mode
t
9
Standard Mode
Fast Mode
High-Speed Mode, C
B
= 100pF max 10
High-Speed Mode, C
B
= 400pF max 20
t
10
Standard Mode
Fast Mode
High-Speed Mode, C
B
= 100pF max 10
High-Speed Mode, C
B
= 400pF max 20
t
11
Standard Mode
Fast Mode
High-Speed Mode, C
B
= 100pF max 10
High-Speed Mode, C
B
= 400pF max 20
t
11A
Standard Mode
Fast Mode
High-Speed Mode, C
B
= 100pF max 10
High-Speed Mode, C
B
= 400pF max 20
t
12
Standard Mode
Fast Mode
High-Speed Mode, C
B
= 100pF max 10
High-Speed Mode, C
B
= 400pF max 20
t
SP4
Fast Mode
High-Speed Mode
t
POWER-UP
MAX
3.45
0.9
70
150
Unit
μ
s
μ
s
ns
ns
μ
s
μ
s
ns
μ
s
μ
s
ns
μ
s
μ
s
μ
s
μ
s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μ
s
Description
t
HD;DAT
, Data Hold Time
4.7
0.6
160
4
0.6
160
4.7
1.3
4
0.6
160
-
20 + 0.1C
B
300
t
SU;STA
, Set-up Time for a repeated START
Condition
t
HD;STA
, Hold Time (repeated) START
Condition
t
BUF
, Bus Free Time Between a STOP and a
START Condition.
t
SU;STO
, Set-up Time for STOP Condition
1000
t
RDA
, Rise time of SDA signal
80
160
300
-
20 + 0.1C
B
300
t
FDA
, Fall time of SDA signal
80
160
1000
-
20 + 0.1C
B
300
t
RCL
, Rise time of SCL signal
40
80
1000
-
20 + 0.1C
B
300
t
RCL1
, Rise time of SCL signal after a re-
peated START Condition and after an
Acknowledge bit.
80
160
300
-
20 + 0.1C
B
300
t
FCL
, Fall Time of SCL signal
40
80
50
10
1
0
0
Pulsewidth of Spike Suppressed.
Power-up Time
NOTES
1
See Figure 1. C
B
refers to the capacitance load on the bus line. Hs-Mode timing specifications apply to the AD7994-1/AD7993-1 only. Stan-
dard and Fast Mode timing specifications apply to both the AD7994-0/AD7993-0 and the AD7994-1/AD7993-1.
2
The SDA and SCL timing is measured with the input filters enabled. Switching off the input filters improves the transfer rate but has a nega-
tive effect on EMC behavior of the part.
4
Input filtering on both the SCL and SDA inputs suppress noise spikes that are less than 50ns or 10ns for Fast Mode or High-Speed mode
respectivley.
Specifications subject to change without notice.
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PDF描述 |
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| AD7993BRU-0 | 4-Channel, 12-/10-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP |
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| AD7994 | 4-Channel, 12-/10-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP |
| AD7993BRU-1 | 4-Channel, 12-/10-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7994BRU-1REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 188ksps 12-bit Serial 16-Pin TSSOP T/R |
| AD7994BRUZ0 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD7994BRUZ-0 | 功能描述:IC ADC 12BIT 4CHAN I2C 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:microPOWER™ 位數:8 采樣率（每秒）:1M 數據接口:串行，SPI? 轉換器數目:1 功率耗散（最大）:- 電壓電源:模擬和數字 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 供應商設備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數目和類型:8 個單端，單極 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7994BRUZ-0REEL | 功能描述:IC ADC 12BIT 4CHAN I2C 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:2,500 系列:- 位數:16 采樣率（每秒）:15 數據接口:MICROWIRE?，串行，SPI? 轉換器數目:1 功率耗散（最大）:480µW 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:38-WFQFN 裸露焊盤 供應商設備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| AD7994BRUZ-1 | 功能描述:IC ADC 12BIT 4CHAN I2C 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:16 采樣率（每秒）:45k 數據接口:串行 轉換器數目:2 功率耗散（最大）:315mW 電壓電源:模擬和數字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數目和類型:2 個單端，單極 |
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