參數(shù)資料
型號(hào)： AD7466BRMZ-REEL
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 14/29頁(yè)
文件大?。?/td> 0K
描述： IC ADC 12BIT 1.6V LP 8-MSOP
設(shè)計(jì)資源： Software Calibrated, 50 MHz to 9 GHz, RF Power Measurement System (CN0178)
標(biāo)準(zhǔn)包裝： 3,000
位數(shù)： 12
采樣率（每秒）： 200k
數(shù)據(jù)接口： DSP，MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 900µW
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 8-MSOP
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 1 個(gè)單端，單極
配用： EVAL-AD7466CBZ-ND - BOARD EVALUATION FOR AD7466
AD7466/AD7467/AD7468
Rev. C | Page 20 of 28
POWER CONSUMPTION
The AD7466/AD7467/AD7468 automatically enter power-
down mode at the end of each conversion or if CS is brought
high before the conversion is finished.
When the AD7466/AD7467/AD7468 are in power-down mode,
all the analog circuitry is powered down and the current con-
sumption is typically 8 nA.
To achieve the lowest power dissipation, there are some
considerations the user should keep in mind.
The conversion time is determined by the serial clock
frequency; the faster the SCLK frequency, the shorter the
conversion time. This implies that as the frequency increases,
the part dissipates power for a shorter period of time when the
conversion is taking place, and it remains in power-down mode
for a longer percentage of the cycle time or throughput rate.
Figure 26 shows two AD7466s running with two different
SCLK frequencies, SCLK A and SCLK B, with SCLK A having
the higher SCLK frequency. For the same throughput rate, the
AD7466 using SCLK A has a shorter conversion time than the
AD7466 using SCLK B, and it remains in power-down mode
longer. The current consumption in power-down mode is very
low; thus, the average power consumption is greatly reduced.
This reduced power consumption can be seen in Figure 25,
which shows the supply current vs. SCLK frequency for various
supply voltages at a throughput rate of 100 kSPS. For a fixed
throughput rate, the supply current (average current) drops as
the SCLK frequency increases because the part is in power-
down mode most of the time. It can also be seen that, for a
lower supply voltage, the supply current drops accordingly.
390
S
U
P
L
Y
CURRE
NT
(
μA)
360
330
300
270
240
210
180
150
120
90
60
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
SCLK FREQUENCY (MHz)
fSAMPLE = 100kSPS
TEMP = 25
°C
VDD = 3.6V
VDD = 3.0V
VDD = 2.2V
VDD = 2.7V
VDD = 1.8V
VDD = 1.6V
02643-026
Figure 25. Supply Current vs. SCLK Frequency
for a Fixed Throughput Rate and Different Supply Voltages
SCLK B
SCLK A
116
CONVERSION TIME A
CONVERSION TIME B
1/THROUGHPUT
CS
02643-027
Figure 26. Conversion Time Comparison for Different SCLK Frequencies and a Fixed Throughput Rate
POWER DOWN TIME B
1/THROUGHPUT B
1/THROUGHPUT A
POWER DOWN TIME A
CONVERSION TIME A
CONVERSION TIME B
CS A
SCLK
CS B
116
02643-028
Figure 27. Conversion Time vs. Power-Down Time for a Fixed SCLK Frequency and Different Throughput Rates
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參數(shù)描述
AD7466BRMZ-REEL7 功能描述:IC ADC 12BIT 1.6V LP 8-MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個(gè)單端，雙極；8 個(gè)差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494
AD7466BRT 制造商:AD 制造商全稱:Analog Devices 功能描述:1.8 V, Micro-Power, 8/10/12-Bit ADCs in 6 Lead SOT-23
AD7466BRT-R 制造商:AD 制造商全稱:Analog Devices 功能描述:1.6 V, Micropower 12-/10-/8-Bit ADCs
AD7466BRT-R2 功能描述:IC ADC 12BIT 1.6V LP SOT23-6 RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):12 采樣率（每秒）:3M 數(shù)據(jù)接口:- 轉(zhuǎn)換器數(shù)目:- 功率耗散（最大）:- 電壓電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-23-6 包裝:帶卷 (TR) 輸入數(shù)目和類型:-
AD7466BRT-REEL 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 12-bit Serial 6-Pin SOT-23 T/R
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