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參數(shù)資料
| 型號(hào)： | MAX147EVC32-DIP |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 10/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL KIT FOR MAX147 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 133k |
| 數(shù)據(jù)接口： | 串行 |
| 輸入范圍： | ±VREF/2 |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 2.7mW @ 133kSPS |
| 工作溫度： | 0°C ~ 70°C |
| 已用 IC / 零件： | MAX147 |
| 已供物品： | 2 板，樣品，CD |
MAX146/MAX147
+2.7V, Low-Power, 8-Channel,
Serial 12-Bit ADCs
18
______________________________________________________________________________________
Figure 13. Average Supply Current vs. Conversion Rate with
External Reference
1000
10,000
0.1
AVERAGE SUPPLY CURRENT
vs. CONVERSION RATE
WITH EXTERNAL REFERENCE
100
10
CONVERSION RATE (Hz)
AVERAGE
SUPPLY
CURRENT
(
A)
1
100
10
1k
10k
1M
100k
MAX146/47-13
VREF = VDD = 3.0V
RLOAD =
∞
CODE = 101010100000
1 CHANNEL
8 CHANNELS
Figure 14b. MAX146 Supply Current vs. Conversion Rate,
FASTPD
10,000
1
0.1
1
AVERAGE SUPPLY CURRENT
vs. CONVERSION RATE
(USING FASTPD)
1000
100
10
CONVERSION RATE (Hz)
AVERAGE
SUPPLY
CURRENT
(
A)
100
1M
10
1k
10k
100k
MAX146/47-Fig14b
RLOAD =
∞
CODE = 101010100000
8 CHANNELS
1 CHANNEL
Figure 14a. MAX146 Supply Current vs. Conversion Rate,
FULLPD
100
1
0.01
0.1
1
AVERAGE SUPPLY CURRENT
vs. CONVERSION RATE
(USING FULLPD)
10
CONVERSION RATE (Hz)
AVERAGE
SUPPLY
CURRENT
(
A)
100
10
1k
MAX146/47-Fig14a
RLOAD =
∞
CODE = 101010100000
8 CHANNELS
1 CHANNEL
Figure 14c. Typical Reference-Buffer Power-Up Delay vs. Time
in Shutdown
2.0
0
0.001
0.01
0.1
1
10
TYPICAL REFERENCE-BUFFER POWER-UP
DELAY vs. TIME IN SHUTDOWN
1.5
1.0
0.5
TIME IN SHUTDOWN (s)
POWER-UP
DELAY
(ms)
MAX146/47-Fig14c
Power-Down Sequencing
The MAX146/MAX147 auto power-down modes can
save considerable power when operating at less than
maximum sample rates. Figures 13, 14a, and 14b show
the average supply current as a function of the sam-
pling rate. The following discussion illustrates the vari-
ous power-down sequences.
Lowest Power at up to 500
Conversions/Channel/Second
The following examples show two different power-down
sequences. Other combinations of clock rates, compen-
sation modes, and power-down modes may give lowest
power consumption in other applications.
Figure 14a depicts the MAX146 power consumption for
one or eight channel conversions utilizing full power-
down mode and internal-reference compensation. A
0.047F bypass capacitor at REFADJ forms an RC filter
with the internal 20k
reference resistor with a 0.9ms
time constant. To achieve full 12-bit accuracy, 10 time
constants or 9ms are required after power-up. Waiting
this 9ms in FASTPD mode instead of in full power-up
can reduce power consumption by a factor of 10 or
more. This is achieved by using the sequence shown in
Figure 15.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX147EVKIT-DIP | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX147 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| MAX14800CCM+ | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX14800CCM+T | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX14801CCM+ | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX14801CCM+T | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
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