參數(shù)資料
型號(hào): MAX149BCAP
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: ADC
英文描述: +2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs
中文描述: 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 16/24頁
文件大?。?/td> 221K
代理商: MAX149BCAP
M
+2.7V to +5.25V, Low-Power, 8-Channel,
S erial 10-Bit ADCs
16
______________________________________________________________________________________
Table 6. Hard-Wired Power-Down
and Internal Clock Frequency
PD1
PD0
DEVICE MODE
0
0
Full Power-Down
0
1
Fast Power-Down
1
1
0
1
Internal Clock
External Clock
Table 5. Software Power-Down
and Clock Mode
Figure 13. Average Supply Current vs. Conversion Rate with
External Reference
1000
10,000
0.1
0.1
AVERAGE SUPPLY CURRENT
vs. CONVERSION RATE
WITH EXTERNAL REFERENCE
100
10
1
CONVERSION RATE (Hz)
1
100
10
1k
10k
1M
100k
M
V
REF
= V
DD
= 3.0V
R
=
CODE = 1010101000
1 CHANNEL
8 CHANNELS
Figure 14a. MAX149 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)
A
μ
A
100
10
1k
M
R
LOAD
=
CODE = 1010101000
8 CHANNELS
1 CHANNEL
POWER-DOWN
POWERED UP
POWERED UP
DATA VALID
DATA VALID
INTERNAL
S X X X X X 1 0
S
0 0
X
X
X
X
X
S
MODE
DOUT
DIN
CLOCK
MODE
SETS INTERNAL
CLOCK MODE
SETS
POWER-DOWN
CONVERSION
CONVERSION
SSTRB
Figure 12b. Timing Diagram Power-Down Modes, Internal Clock
N/A
N/A
Power-Down
0
1.8MHz
External
Enabled
Floating
225kHz
Internal
Enabled
1
INTERNAL
CLOCK
FREQUENCY
REFERENCE-
BUFFER
COMPENSATION
DEVICE
MODE
SHDN
STATE
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參數(shù)描述
MAX149BCAP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX149BCAP+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX149BCAP-T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX149BCPP 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX149BCPP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32