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參數(shù)資料
| 型號： | MAX1147BEUP+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 6/25頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 14BIT 116KSPS 20-TSSOP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 116k |
| 數(shù)據(jù)接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉換器數(shù)目： | 1 |
| 功率耗散（最大）： | 879mW |
| 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： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 20-TSSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 4 個單端，單極；4 個單端，雙極；2 個差分，單極；2 個差分，雙極 |
MAX1146–MAX1149
Multichannel, True-Differential,
Serial, 14-Bit ADCs
14
______________________________________________________________________________________
BIT
NAME
DESCRIPTION
7 (MSB)
START
Start bit. The first logic 1 bit after CS goes low defines the beginning of the control byte.
6
SEL2
5
SEL1
4
SEL0
Channel-select bits. The channel-select bits select which of the eight channels are used for the conversion
(Tables 2, 3, 4, and 5).
3
SGL/DIF
1 = single ended, 0 = differential. Selects single-ended or differential conversions. In single-ended mode,
input signal voltages are referred to COM. In differential mode, the voltage difference between two channels
is measured.
2
UNI/BIP
1 = unipolar, 0 = bipolar. Selects unipolar or bipolar conversion mode. In unipolar mode, connect COM to
AGND to perform conversion from 0 to VREF. In bipolar mode, connect COM to VREF/2 to perform conversion
from 0 to VREF. See Table 7.
1
PD1
0 (LSB)
PD0
Selects clock and power-down modes.
PD1 = 0 and PD0 = 0 selects full power-down mode*.
PD1 = 0 and PD0 = 1 selects fast power-down mode*.
PD1 = 1 and PD0 = 0 selects internal clock mode.
PD1 = 1 and PD0 = 1 selects external clock mode.
Table 1. Control Byte Format
MAX1148
MAX1149
OSCILLOSCOPE
CH1
CH2
CH3
CH4
*FULL-SCALE ANALOG INPUT, CONVERSION RESULT = $FFF HEX
SCLK
SSTRB
DOUT*
DOUT
SSTRB
SCLK
DIN
VDD
DGND
AGND
COM
0.01
F
0.01
F
2.2
F
EXTERNAL CLOCK
CH7
REFADJ
REF
MAX1149 VREF = +2.500V
MAX1148 VREF = +4.096V
VREF
AIN
VDD
10
10
VCOM
≤ AIN ≤ VREF
SHDN
CS
0.1
F
4.7
F
Figure 7. Quick-Look Circuit
*The start bit resets power-down modes.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1148 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Multichannel, True-Differential, Serial, 14-Bit ADCs |
| MAX1148BCUP | 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 |
| MAX1148BCUP+ | 功能描述:模數(shù)轉換器 - ADC 14-Bit 8Ch 116ksps 5V 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 |
| MAX1148BCUP+T | 功能描述:模數(shù)轉換器 - ADC 14-Bit 8Ch 116ksps 5V 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 |
| MAX1148BCUP-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 |
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