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參數資料
| 型號： | AD7778 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | LC2MOS, High Speed 1-, 4- & 8-Channel 10-Bit ADCs |
| 中文描述： | LC2MOS，高速1 - ，4 - |
| 文件頁數： | 11/12頁 |
| 文件大小： | 220K |
| 代理商： | AD7778 |
AD7776/AD7777/AD7778
–11–
REV. 0
RT N is tied to REFOUT then the analog input range becomes
0 V to 2 V. T he fixed 2 V analog input voltage span of the ADC
can range from 1 V to 3 V (RT N = 0 V) to 0 V to 2 V (RT N =
2 V), i.e., with proper biasing, an input signal range from 0.3 V
to 2.3 V can be covered. Both the relative accuracy and differen-
tial nonlinearity performance remains essentially unchanged in
this mode while the SNR and T HD performance are typically
2 dB to 3 dB worse than standard.
Changing the Analog Input Voltage Range
By biasing the RT N pin above AGND it is possible to change
the analog input voltage range from its V
BIAS
±
V
SWING
format to
a more traditional 0 V to V
REF
range. T he new input range can
be described as
V
OFFSET
to
(
V
OFFSET
+ REFIN
)
where 0 V
≤
V
OFFSET
≤
1 V. T o produce this range the RT N pin
must be biased to (REFIN – 2 V
OFFSET
). For instance if
OUT LINE DIME NSIONS
Dimensions shown in inches and (mm).
R-24
24-Lead Wide-Body SOIC
PIN 1
0.299 (7.6)
0.291 (7.4)
13
12
1
24
0.419 (10.65)
0.394 (10.00)
0.013 (0.32)
0.009 (0.23)
0.005 (1.27)
0.015 (0.40)
0.614 (15.6)
0.598 (15.2)
0.104 (2.65)
0.093 (2.35)
0.012 (0.3)
0.004 (0.1)
0.019 (0.49)
0.014 (0.35)
0.050 (1.27)
BSC
R-28
28-Lead Wide-Body SOIC
PIN 1
0.299 (7.60)
0.291 (7.39)
15
14
1
28
0.414 (10.52)
0.398 (10.10)
0.03 (0.76)
0.02 (0.51)
0.013 (0.32)
0.009 (0.23)
0.042 (1.067)
0.018 (0.457)
0.708 (18.02)
0.696 (17.67)
0.096 (2.44)
0.089 (2.26)
0.01 (0.254)
0.006 (0.15)
0.019 (0.49)
0.014 (0.35)
0.050 (1.27)
BSC
1. LEAD NO. 1 IDENTIFIED BY A DOT.
2. SOIC LEADS WILL BE EITHER TIN PLATED OF SOLDER DIPPED
IN ACCORDANCE WITH MIL-M-38510 REQUIREMENTS.
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| AD7778AS | LC2MOS, High Speed 1-, 4- & 8-Channel 10-Bit ADCs |
| AD7778* | LC2MOS. High Speed 1-. 4- & 8-Channel 10-Bit ADCs |
| AD7782 | Read Only, Pin Configured 24-Bit ADC |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7778AS | 制造商:Analog Devices 功能描述:ADC Single SAR 378ksps 10-bit Parallel 44-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:8-CH 10-BIT ADC IC - Bulk |
| AD7778ASZ | 功能描述:IC ADC 10BIT 8CHAN HS 44-MQFP 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:- 位數:14 采樣率（每秒）:83k 數據接口:串行，并聯 轉換器數目: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） 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端，雙極 |
| AD7779ACPZ | 功能描述:24 Bit Analog to Digital Converter 8 Input 8 Sigma-Delta 64-LFCSP (9x9) 制造商:analog devices inc. 系列:- 包裝:托盤 零件狀態:有效 位數:24 采樣率（每秒）:16k 輸入數:8 輸入類型:差分，單端 數據接口:串行 配置:PGA-ADC 無線電 - S/H:ADC:- A/D 轉換器數:8 架構:三角積分 參考類型:外部， 內部 電壓 - 電源，模擬:±1.65V，2.2 V ~ 3.6 V 電壓 - 電源，數字:- 特性:同步采樣 工作溫度:-40°C ~ 125°C 封裝/外殼:64-WFQFN 裸露焊盤 供應商器件封裝:64-LFCSP（9x9） 標準包裝:1 |
| AD7779ACPZ-RL | 功能描述:IC ADC 24BIT 16KSPS 制造商:analog devices inc. 系列:* 零件狀態:有效 標準包裝:2,500 |
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