- 您现在的位置：买卖IC网 > PDF目录17051 > EVAL-AD7923CBZ (Analog Devices Inc)BOARD EVAL FOR AD7923 PDF资料下载
参数资料
| 型号： | EVAL-AD7923CBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 11/24页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD7923 |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 12 |
| 采样率（每秒）： | 200k |
| 数据接口： | 串行 |
| 输入范围： | 0 ~ 2.5 V |
| 在以下条件下的电源（标准）： | 7.5mW @ 200kSPS，5 V |
| 工作温度： | -40°C ~ 125°C |
| 已用 IC / 零件： | AD7923 |
| 已供物品： | 板，CD |
| 相关产品： | AD7923BRUZ-REEL7TR-ND - IC ADC 12BIT 4CH W/SEQ 16TSSOP AD7923BRUZ-REEL-ND - IC ADC 12BIT 4CH W/SEQ 16TSSOP AD7923BRUZ-ND - IC ADC 12BIT 4CH W/SEQ 16TSSOP |
Data Sheet
AD7923
Rev. D | Page 19 of 24
INVALID DATA
CHANNEL IDENTIFIER BITS + CONVERSION RESULT
DIN LINE HIGH FOR FIRST DUMMY CONVERSION
DATA INTO CONTROL REGISTER
TO KEEP THE PART IN NORMAL MODE, LOAD
PM1 = PM0 = 1 IN CONTROL REGISTER
1
14
16
1
14
16
ALLOW
tPOWER TO ELAPSE
IF IN SHUTDOWN AT POWER-ON
PART BEGINS TO POWER UP ON
CS RISING EDGE AS PM1 = PM0 = 1
PART IS IN
UNKNOWN MODE
AFTER POWER-ON
CS
SCLK
DOUT
DIN
03086-023
t12
Figure 23. Placing the AD7923 into Normal Mode after Supplies are First Applied
INVALID DATA
1
14
16
PART ENTERS SHUTDOWN ON
CS RISING EDGE AS PM1 = PM0 = 0
PART IS IN
UNKNOWN MODE
AFTER POWER-ON
CS
SCLK
DOUT
DIN
DATA INTO CONTROL REGISTER
CONTROL REGISTER IS LOADED ON
THE FIRST 12 CLOCKS. PM1 = 1, PM0 = 0
03086-024
Figure 24. Placing the AD7923 into Full Shutdown Mode after Supplies are First Applied
INVALID DATA
DIN LINE HIGH FOR FIRST DUMMY CONVERSION
DATA INTO CONTROL REGISTER
CONTROL REGISTER IS LOADED ON THE
FIRST 12 CLOCKS. PM1 = 0, PM0 = 1
1
14
16
1
14
16
PART IS IN
UNKNOWN MODE
AFTER POWER-ON
CS
SCLK
DOUT
DIN
03086-025
PART ENTERS AUTO SHUTDOWN ON
CS RISING EDGE AS PM1 = 0, PM0 = 1
Figure 25. Placing the AD7923 into Auto Shutdown Mode after Supplies are First Applied
POWER vs. THROUGHPUT RATE
In auto shutdown mode, the average power consumption of the
ADC can be reduced at any given throughput rate. The power
saving depends on the SCLK frequency used, that is, conversion
time. In some cases where the conversion time is a large propor-
tion of the cycle time, the throughput rate needs to be reduced
to take advantage of the power-down modes. Assuming a
20 MHz SCLK is used, the conversion time is 800 ns, but the
cycle time is 5 μs when the sampling rate is at a maximum of
200 kSPS. If the AD7923 is placed into shutdown for the
remainder of the cycle time, then on average far less power is
consumed in every cycle compared to leaving the device in
normal mode. Furthermore, Figure 26 shows how, as the
throughput rate is reduced, the part remains in its shutdown
longer and the average power consumption drops accordingly
over time.
相关PDF资料 |
PDF描述 |
|---|---|
| AT-S-26-8/8/W-25-OE-R | MOD CORD SGL-ENDED 8-8 WHITE 25' |
| NRS8030T1R0NJGJ | INDUCTOR POWER 1.0UH 6.2A SMD |
| GCC28DCMT | CONN EDGECARD 56POS .100" WW |
| EVAL-AD7899CBZ | BOARD EVAL FOR AD7899 |
| VI-BND-EY | CONVERTER MOD DC/DC 85V 50W |
相关代理商/技术参数 |
参数描述 |
|---|---|
| EVAL-AD7927CB | 制造商:Analog Devices 功能描述:EVALUATION CONTROL BOARD. - Bulk |
| EVAL-AD7927CBZ | 功能描述:BOARD EVALUATION FOR AD7927 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| EVAL-AD7933CB | 制造商:Analog Devices 功能描述:EVALUATION BOARD 4-CHANNEL, 1.5 MSPS, 10-BIT AND 12-BIT PARALLEL ADCS WITH A SEQUENCER 制造商:Analog Devices 功能描述:EVAL BD FOR 4-CH, 1.5 MSPS, 10-BIT AND 12-BIT PARALLEL ADCS - Bulk |
| EVAL-AD7934-6CB | 制造商:Analog Devices 功能描述:EVAL BD 4-CH, 1.5 MSPS, 10-BIT AND 12-BIT PARALLEL ADCS W/ A - Bulk |
| EVAL-AD7934CB | 制造商:Analog Devices 功能描述:Evaluation Board For 4-Channel, 1.5 MSPS, 10-Bit And 12-Bit Parallel ADCs With A Sequencer 制造商:Analog Devices 功能描述:EVAL BD 4-CH, 1.5 MSPS, 10-BIT AND 12-BIT PARALLEL ADCS W/ A - Bulk |
发布紧急采购，3分钟左右您将得到回复。