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參數(shù)資料
| 型號： | EVAL-AD7797EBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 6/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVALUATION FOR AD7797 |
| 標準包裝： | 1 |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 24 |
| 采樣率（每秒）： | 123 |
| 數(shù)據(jù)接口： | 串行 |
| 輸入范圍： | ±VREF/128 |
| 在以下條件下的電源（標準）： | 1.6mW @ 123SPS |
| 工作溫度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7797 |
| 已供物品： | 板，CD |
| 相關(guān)產(chǎn)品： | AD7797BRUZ-REEL-ND - IC ADC 24BIT SIG-DEL 1CH 16TSSOP AD7797BRUZ-ND - IC ADC 24BIT SIG-DEL 1CH 16TSSOP |
AD7796/AD7797
Rev. A | Page 14 of 24
CONFIGURATION REGISTER
RS2, RS1, RS0 = 0, 1, 0; Power-On/Reset = 0x0710
The configuration register is a 16-bit read/write register. This register is used to configure the ADC for unipolar or bipolar mode, enable
or disable the burnout currents, and select the analog input channel. Table 15 outlines the bit designations for the configuration register.
CON0 through CON15 indicate the bit locations, with CON denoting that the bits are in the configuration register. CON15 denotes the
first bit of the data stream. The number in brackets indicates the power-on/reset default status of that bit.
MSB
LSB
CON15
CON14
CON13
CON12
CON11
CON10
CON9
CON8
CON7
CON6
CON5
CON4
CON3
CON2
CON1
CON0
0(0)
BO(0)
U/B(0)
0(0)
1(1)
0(0)
1(1)
0(0)
CH2(0)
CH1(0)
CH0(0)
Table 15. Configuration Register Bit Designations
Bit Location
Bit Name
Description
CON15 to CON14
0
These bits must be programmed with a Logic 0 for correct operation.
CON13
BO
Burnout Current Enable Bit. When this bit is set to 1 by the user, the 100 nA current sources in the signal
path are enabled. When BO = 0, the burnout currents are disabled.
CON12
U/B
Unipolar/Bipolar Bit. Set by user to enable unipolar coding, that is, a zero differential input results in
0x0000(00) output, and a full-scale differential input results in 0xFFFF(FF) output. Cleared by the user to
enable bipolar coding. A negative full-scale differential input results in an output code of 0x0000(00), a
zero differential input results in an output code of 0x8000(00), and a positive full-scale differential input
results in an output code of 0xFFFF(FF).
CON11
0
This bit must be programmed with a Logic 0 for correct operation.
CON10 to CON8
1
These bits must be programmed with a Logic 1 for correct operation.
CON7 to CON5
0
These bits must be programmed with a Logic 0 for correct operation.
CON4
1
This bit must be programmed with a Logic 1 for correct operation.
CON3
0
This bit must be programmed with a Logic 0 for correct operation.
CON2 to CON0
CH2 to CH0
Channel Select bits. Written by the user to select the active analog input channel to the ADC.
CH2
CH1
CH0
Channel
0
AIN(+) AIN(–)
0
1
Reserved
0
1
0
Reserved
0
1
AIN(–) AIN(–)
1
0
Reserved
1
0
1
Reserved
1
0
Temp Sensor
1
AVDD Monitor
DATA REGISTER
RS2, RS1, RS0 = 0, 1, 1; Power-On/Reset = 0x0000 (AD7796)/0x000000 (AD7797)
The conversion result from the ADC is stored in this data register. This is a read-only register. On completion of a read operation from
this register, the RDY bit/pin is set.
ID REGISTER
RS2, RS1, RS0 = 1, 0, 0; Power-On/Reset = 0x5A (AD7796)/0x5B (AD7797)
The identification number for the AD7796/AD7797 is stored in the ID register. This is a read-only register.
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| EVAL-AD7798EB | 制造商:Analog Devices 功能描述:EVAL BD LOW PWR, 16BIT BFFRED SIGMA-DELTA ADC - Bulk |
| EVAL-AD7798EBZ | 功能描述:BOARD EVAL FOR AD7798 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:- 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝: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（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7799EBZ | 功能描述:BOARD EVALUATION FOR AD7799 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:- 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝: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（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
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| EVAL-AD7816EB | 制造商:AD 制造商全稱:Analog Devices 功能描述:Single- and 4-Channel, 9 us, 10-Bit ADCs with On-Chip Temperature Sensor |
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