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參數(shù)資料
| 型號： | MAX1403CAI+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 9/36頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 18BIT LP 28-SSOP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,000 |
| 位數(shù)： | 18 |
| 采樣率（每秒）： | 480 |
| 數(shù)據(jù)接口： | QSPI?，串行，SPI? |
| 轉換器數(shù)目： | 1 |
| 功率耗散（最大）： | 21.45mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SSOP（0.209"，5.30mm 寬） |
| 供應商設備封裝： | 28-SSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 3 個差分，單極；3 個差分，雙極；5 個偽差分，單極；5 個偽差分，雙極 |
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MAX1403
+3V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
______________________________________________________________________________________
17
exact sequence depends on the state of the DIFF bit
(Table 4). When scanning, the calibration channels use
the PGA gain, format, and DAC settings defined by the
contents of Transfer Function Register 3.
BUFF: (Default = 0) The BUFF bit controls operation of
the input buffer amplifiers. When this bit is 0, the inter-
nal buffers are bypassed and powered down. When
this bit is set high, the buffers drive the input sampling
capacitors and minimize the dynamic input load.
DIFF: (Default = 0) Differential/Pseudo-Differential Bit.
When DIFF = 0, the part is in pseudo-differential mode,
and AIN1–AIN5 are measured respective to AIN6, the
analog common. When DIFF = 1, the part is in differen-
tial mode with the analog inputs defined as AIN1/AIN2,
AIN3/AIN4, and AIN5/AIN6. The available input chan-
nels for each mode are tabulated in Table 5. Note that
DIFF also affects the scanning sequence when the part
is placed in SCAN mode (Table 4).
BOUT: (Default = 0) Burn-Out Current Bit. Setting BOUT
= 1 connects 100nA current sources to the selected ana-
log input channel. This mode is used to check that a
transducer has not burned out or opened circuit. The
burn-out current source must be turned off (BOUT = 0)
before measurement to ensure best linearity.
IOUT:
(Default = 0) The IOUT bit controls the
Transducer Excitation Currents. A 0 in this bit disables
OUT1 and OUT2, effectively making these pins high-
impedance. A 1 in this location activates both IOUT1
and IOUT2, causing each pin to source 200A.
X2CLK: (Default = 0) Times-Two Clock Bit. Setting this
bit to 1 selects a divide-by-2 prescaler in the clock sig-
nal path. This allows use of a higher frequency crystal
or clock source and improves immunity to asymmetric
clock sources.
Table 2. Data Output Rate vs. CLK, Filter Select, and Modulator Frequency Bits
* Data rates offering noise-free 16-bit resolution.
Note: When FAST = 0, f-3dB = 0.262 Data Rate. When FAST = 1, f-3dB = 0.443 Data Rate.
Note: Default condition is in bold print.
Table 3. Special Modes Controlled by M1, M0 (SCAN = 0)
DESCRIPTION
M1
0
1
Normal Mode: The device operates normally.
Calibrate Gain: In this mode, the MAX1403 converts the voltage applied across CALGAIN+
and CALGAIN-. The PGA gain, DAC, and format settings of the selected channel (defined by
DIFF, A1, A0) are used.
1
Reserved: Do not use.
1
0
Calibrate Offset: In this mode, the MAX1403 converts the voltage applied across CALOFF+
and CALOFF-. The PGA gain, DAC, and format settings of the selected channel (defined by
DIFF, A1, A0) are used.
1
M0
0
2400
4800
400
480
1
4.9152
1
2.4576
1200
2400
200
240
1
4.9152
0
2.4576
600
1200
100
120
0
1
4.9152
1
2.4576
300
600
50
60
0
1
4.9152
0
2.4576
800
1600
160
200
1
0
2.048
1
1.024
400
800
80
100
1
0
2.048
0
1.024
200
400
40
50
0
2.048
1
1.024
100
X2CLK = 0
200
20
25
0
X2CLK = 1
2.048
0
CLKIN FREQUENCY,
fCLKIN (MHz)
1.024
FS1, FS0*
(0, 0)
FS1, FS0*
(0, 1)
FS1, FS0
(1, 0)
FS1, FS0
(1, 1)
AVAILABLE OUTPUT DATA RATES
(sps)
CLK
MF1
MF0
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相關代理商/技術參數(shù) |
參數(shù)描述 |
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| MAX1403EAI | 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1403EAI+ | 功能描述:模數(shù)轉換器 - ADC 18-Bit 5Ch 4.8ksps 1.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1403EAI+T | 功能描述:模數(shù)轉換器 - ADC 18-Bit 5Ch 4.8ksps 1.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1403EAI-T | 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1403EVKIT | 功能描述:數(shù)據(jù)轉換 IC 開發(fā)工具 MAX1403 Eval Kit RoHS:否 制造商:Texas Instruments 產品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
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