- 您現在的位置：買賣IC網 > PDF目錄17031 > EVAL-AD7939CBZ (Analog Devices Inc)BOARD EVALUATION FOR AD7939CBZ PDF資料下載
參數資料
| 型號： | EVAL-AD7939CBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/36頁 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR AD7939CBZ |
| 標準包裝： | 1 |
| ADC 的數量： | 1 |
| 位數： | 10 |
| 采樣率（每秒）： | 1.5M |
| 數據接口： | 并聯 |
| 輸入范圍： | ±VREF |
| 在以下條件下的電源（標準）： | 13.5mW @ 5V |
| 工作溫度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7939 |
| 已供物品： | 板，CD |
| 相關產品： | AD7939BSUZ-ND - IC ADC 10BIT 8CH PARALL 32TQFP AD7939BCPZ-ND - IC ADC 10BIT 8CH PARALL 32LFCSP AD7939BCPZ-REEL7-ND - IC ADC 10BIT 8CH PARALL 32LFCSP AD7939BSUZ-REEL7-ND - IC ADC 10BIT 8CH PARALL 32TQFP |
當前第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁
8-Channel, 1.5 MSPS, 12-Bit and 10-Bit
Parallel ADCs with a Sequencer
Data Sheet
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2004–2011 Analog Devices, Inc. All rights reserved.
FEATURES
Throughput rate: 1.5 MSPS
Specified for VDD of 2.7 V to 5.25 V
Power consumption
6 mW maximum at 1.5 MSPS with 3 V supplies
13.5 mW maximum at 1.5 MSPS with 5 V supplies
8 analog input channels with a sequencer
Software-configurable analog inputs
8-channel single-ended inputs
4-channel fully differential inputs
4-channel pseudo differential inputs
7-channel pseudo differential inputs
Accurate on-chip 2.5 V reference
±0.2% maximum @ 25°C, 25 ppm/°C maximum
69 dB SINAD at 50 kHz input frequency
No pipeline delays
High speed parallel interface—word/byte modes
Full shutdown mode: 2 A maximum
32-lead LFCSP and TQFP packages
FUNCTIONAL BLOCK DIAGRAM
03715-
001
VIN7
T/H
PARALLEL INTERFACE/CONTROL REGISTER
SEQUENCER
12-/10-BIT
SAR ADC
AND
CONTROL
I/P
MUX
2.5V
VREF
DB0
DB11
VDRIVE
VDD
AD7938/AD7939
VIN0
AGND
VREFIN/
VREFOUT
CLKIN
BUSY
CONVST
CS
DGND
RD WR W/B
Figure 1.
GENERAL DESCRIPTION
The AD7938/AD7939 are 12-bit and 10-bit, high speed, low
power, successive approximation (SAR) analog-to-digital
converters (ADCs). The parts operate from a single 2.7 V to
5.25 V power supply and feature throughput rates up to
1.5 MSPS. The parts contain a low noise, wide bandwidth,
differential track-and-hold amplifier that can handle input
frequencies up to 50 MHz.
The AD7938/AD7939 feature eight analog input channels with
a channel sequencer that allows a preprogrammed selection of
channels to be converted sequentially. These parts can operate
with either single-ended, fully differential, or pseudo
differential analog inputs.
The conversion process and data acquisition are controlled
using standard control inputs that allow easy interfacing with
microprocessors and DSPs. The input signal is sampled on the
falling edge of CONVST and the conversion is also initiated at
this point.
The AD7938/AD7939 have an accurate on-chip 2.5 V reference
that can be used as the reference source for the analog-to-digital
conversion. Alternatively, this pin can be overdriven to provide
an external reference.
These parts use advanced design techniques to achieve very
low power dissipation at high throughput rates. They also
feature flexible power management options. An on-chip control
register allows the user to set up different operating conditions,
including analog input range and configuration, output coding,
power management, and channel sequencing.
PRODUCT HIGHLIGHTS
1. High throughput with low power consumption.
2. Eight analog inputs with a channel sequencer.
3. Accurate on-chip 2.5 V reference.
4. Single-ended, pseudo differential, or fully differential
analog inputs that are software selectable.
5. Single-supply operation with VDRIVE function. The VDRIVE
function allows the parallel interface to connect directly to
3 V or 5 V processor systems independent of VDD.
6. No pipeline delay.
7. Accurate control of the sampling instant via a CONVST
input and once-off conversion control.
Table 1. Related Devices
Device
No. of Bits
No. of Channels
Speed
12/10
4
1.5 MSPS
12
8
625 kSPS
12
4
625 kSPS
相關PDF資料 |
PDF描述 |
|---|---|
| PCMC135T-1R5MF | COIL 1.5 UH POWER CHOKE 20% SMD |
| VI-B5J-EY | CONVERTER MOD DC/DC 36V 50W |
| TFL0816-12N | INDUCTOR 12NH +/-2% 0603 |
| EVAL-AD7722CBZ | BOARD EVALUATION FOR AD7722CBZ |
| EVAL-AD7723CBZ | BOARD EVALUATION FOR AD7723 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| EVAL-AD7940CB | 制造商:AD 制造商全稱:Analog Devices 功能描述:3mW, 100kSPS, 14-Bit ADC in 6-Lead SOT-23 |
| EVAL-AD7940CBZ | 功能描述:BOARD EVALUATION AD7940 RoHS:是 類別:編程器，開發系統 >> 評估板 - 模數轉換器 (ADC) 系列:- 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數量:1 位數:12 采樣率（每秒）:94.4k 數據接口: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-AD7942CB | 功能描述:BOARD EVALUATION FOR AD7942 RoHS:否 類別:編程器，開發系統 >> 評估板 - 模數轉換器 (ADC) 系列:PulSAR® 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數量:1 位數:12 采樣率（每秒）:94.4k 數據接口: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-AD7942SDZ | 功能描述:BOARD EVAL FOR AD7942 RoHS:是 類別:編程器，開發系統 >> 評估板 - 模數轉換器 (ADC) 系列:PulSAR® 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數量:1 位數:12 采樣率（每秒）:94.4k 數據接口: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-AD7944EBZ | 功能描述:BOARD EVAL FOR AD7944 RoHS:是 類別:編程器，開發系統 >> 評估板 - 模數轉換器 (ADC) 系列:PulSAR® 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數量:1 位數:12 采樣率（每秒）:94.4k 數據接口: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 |
發布緊急采購，3分鐘左右您將得到回復。