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參數(shù)資料
| 型號： | MAX1274BETC+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 17/18頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 1.8MSPS 12-TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 75 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 1.8M |
| 數(shù)據(jù)接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 45mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 12-WQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 12-TQFN-EP（4x4） |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個差分，單極 |
MAX1274/MAX1275
1.8Msps, Single-Supply, Low-Power,
True-Differential, 12-Bit ADCs
8
_______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1
AIN-
Negative Analog Input
2
REF
External Reference Voltage Input. VREF sets the analog input range. Bypass REF with a 0.01F
capacitor and a 4.7F capacitor to RGND.
3
RGND
Reference Ground. Connect RGND to GND.
4VDD
Positive Analog Supply Voltage (+4.75V to +5.25V). Bypass VDD with a 0.01F capacitor and a 10F
capacitor to GND.
5, 11
N.C.
No Connection
6
GND
Ground. GND is internally connected to EP.
7VL
Positive Logic Supply Voltage (1.8V to VDD). Bypass VL with a 0.01F capacitor and a 10F capacitor
to GND.
8
DOUT
Serial Data Output. Data is clocked out on the rising edge of SCLK.
9
CNVST
Convert Start. Forcing CNVST high prepares the part for a conversion. Conversion begins on the
falling edge of CNVST. The sampling instant is defined by the falling edge of CNVST.
10
SCLK
Serial Clock Input. Clocks data out of the serial interface. SCLK also sets the conversion speed.
12
AIN+
Positive Analog Input
—
EP
Exposed Paddle. EP is internally connected to GND.
Typical Operating Characteristics (continued)
(VDD = +5V, VL = VDD, VREF = 4.096V, fSCLK = 28.8MHz, TA = -40°C to +85°C, unless otherwise noted. Typical values are measured
at TA = +25°C)
VL SUPPLY CURRENT
vs. TEMPERATURE
MAX1274
toc22
TEMPERATURE (
°C)
V
LSUPPLY
CURRENT
(mA)
60
35
10
-15
0.2
0.4
0.6
0.8
1.0
0
-40
85
CONVERTING
fSCLK = 28.8MHz
FULL/PARTIAL
POWER-DOWN
fSCLK = 28.8MHz
VL SUPPLY CURRENT
vs. CONVERSION RATE
MAX1274
toc23
fSAMPLE (kHz)
V
LSUPPLY
CURRENT
(mA)
1500
1000
500
0.3
0.5
0.8
1.0
0
2000
VL = 5V
VL = 3V
VL = 1.8V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1274BETC+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 1.8Msps 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 |
| MAX1274BETC+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 1.8Msps 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 |
| MAX1274BETC-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 |
| MAX1274CTC | 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 |
| MAX1274ETC | 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 |
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