SWA COMP SWB IND 4R REF REFGND LSB MS" />
參數(shù)資料
型號(hào): EVAL-AD7663CBZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 4/24頁(yè)
文件大小: 0K
描述: BOARD EVALUATION FOR AD7663
標(biāo)準(zhǔn)包裝: 1
系列: PulSAR®
ADC 的數(shù)量: 1
位數(shù): 16
采樣率(每秒): 250k
數(shù)據(jù)接口: 串行,并聯(lián)
輸入范圍: ±4 REF
在以下條件下的電源(標(biāo)準(zhǔn)): 35mW @ 250kSPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD7663
已供物品: 板,CD
相關(guān)產(chǎn)品: AD7663ACPZ-ND - IC ADC 16BIT CMOS 5V 48LFCSP
AD7663ACPZRL-ND - IC ADC 16BIT CMOS 5V 48LFCSP
AD7663ASTZRL-ND - IC ADC 16BIT CMOS 48-LQFP T/R
AD7663ASTZ-ND - IC ADC 16BIT CMOS 48-LQFP
REV. B
AD7663
–12–
SWA
COMP
SWB
IND
4R
REF
REFGND
LSB
MSB
32,768C
INGND
16,384C
4C
2C
CC
CONTROL
LOGIC
SWITCHES
CONTROL
BUSY
OUTPUT
CODE
INC
4R
INA
R
INB
2R
CNVST
65,536C
Figure 3. ADC Simplified Schematic
Table III. Output Codes and Ideal Input Voltages
Digital Output
Code (Hexa)
Straight Twos
Description
Analog Input
Binary
Complement
Full-Scale Range
1
±10 V
±5 V
±2.5 V
0 V to 10 V
0 V to 5 V
0 V to 2.5 V
Least Significant Bit 305.2 V
152.6 V
76.3 V
152.6 V
76.3 V
38.15 V
FSR – 1 LSB
9.999695 V
4.999847 V
2.499924 V
9.999847 V
4.999924 V 2.499962 V
FFFF
2
7FFF
2
Midscale + 1 LSB
305.2 V
152.6 V
76.3 V
5.000153 V
2.570076 V 1.257038 V
8001
0001
Midscale
0 V
5 V
2.5 V
1.25 V
8000
0000
Midscale – 1 LSB
–305.2 V
–152.6 V
–76.3 V
4.999847 V
2.499924 V 1.249962 V
7FFF
FFFF
–FSR + 1 LSB
–9.999695 V –4.999847 V –2.499924 V 152.6 V
76.3 V
38.15 V
0001
8001
–FSR
–10 V
–5 V
–2.5 V
0 V
0000
3
8000
3
NOTES
1Values with REF = 2.5 V, with REF = 3 V, all values will scale linearly.
2This is also the code for an overrange analog input.
3This is also the code for an underrange analog input.
000...000
000...001
000...010
111...101
111...110
111...111
ADC
CODE
Straight
Binary
ANALOG INPUT
+FS – 1.5 LSB
+FS – 1 LSB
–FS + 1 LSB
–FS
–FS + 0.5 LSB
Figure 4. ADC Ideal Transfer Function
Transfer Functions
Using the OB/
2C digital input, the AD7663 offers two output
codings: straight binary and twos complement. The ideal transfer
characteristic for the AD7663 is shown in Figure 4 and Table III.
TYPICAL CONNECTION DIAGRAM
Figure 5 shows a typical connection diagram for the AD7663.
Different circuitry shown on this diagram is optional and is
discussed in the figure’s notes.
Analog Inputs
The AD7663 is specified to operate with six full-scale analog
input ranges. Connections required for each of the four analog
inputs, IND, INC, INB, and INA, and the resulting full-scale
ranges are shown in Table I. The typical input impedance for
each analog input range is also shown.
相關(guān)PDF資料
PDF描述
1025R-18K COIL .82UH MOLDED UNSHIELDED
VE-J7W-EY CONVERTER MOD DC/DC 5.5V 50W
AD9481-PCBZ BOARD EVAL 8BIT 250MSPS 44-TQFP
VI-J44-EY CONVERTER MOD DC/DC 48V 50W
CDB5525 EVAL BOARD FOR CS5525
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EVAL-AD7663EDZ 制造商:Analog Devices 功能描述:CONVERTER - ADC
EVAL-AD7664CB 制造商:Analog Devices 功能描述:Evaluation Kit For 16-Bit, 570 KSP Pulsar Unipolar CMOS ADC
EVAL-AD7664CBZ 功能描述:BOARD EVALUATION FOR AD7664 RoHS:是 類別:編程器,開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:PulSAR® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率(每秒):94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源(標(biāo)準(zhǔn)):- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板,軟件
EVAL-AD7665CB 制造商:AD 制造商全稱:Analog Devices 功能描述:Evaluation Board AD766X/AD767X
EVAL-AD7665CBZ 功能描述:BOARD EVALUATION FOR AD7665 RoHS:是 類別:編程器,開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:PulSAR® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率(每秒):94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源(標(biāo)準(zhǔn)):- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板,軟件