參數資料
型號: MAX1284BESA+T
廠商: Maxim Integrated Products
文件頁數: 13/15頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 400KSPS 8-SOIC
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
位數: 12
采樣率(每秒): 400k
數據接口: MICROWIRE?,QSPI?,串行,SPI?
轉換器數目: 1
功率耗散(最大): 2.5mW
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: 8-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 8-SOIC
包裝: 帶卷 (TR)
輸入數目和類型: 1 個單端,單極
MAX1284/MAX1285
400ksps/300ksps, Single-Supply, Low-Power,
Serial 12-Bit ADCs with Internal Reference
_______________________________________________________________________________________
7
Typical Operating Characteristics (continued)
(MAX1284: VDD = +5.0V, fSCLK = 6.4MHz, MAX1285: VDD = +3.0V, fSCLK = 4.8MHz; CLOAD = 20pF, 4.7F capacitor at REF,
TA = +25°C, unless otherwise noted.)
1.5
1.8
2.4
2.1
2.7
3.0
-40
0
-20
20
40
60
80
100
SUPPLY CURRENT vs. TEMPERATURE
MAX1284/5
toc10
TEMPERATURE (
°C)
SUPPLY
CURRENT
(mA)
VDD = 5V, CONVERTING
VDD = 3V, CONVERTING
VDD = 5V, STATIC
VDD = 3V, STATIC
Serial-Clock Input. SCLK drives the conversion process and clocks data out at rates up to 6.4MHz
(MAX1284) or 4.8MHz (MAX1285).
PIN
Positive Supply Voltage
VDD
1
FUNCTION
NAME
Sampling Analog Input, 0 to VREF range
AIN
2
Analog and Digital Ground
GND
5
Active-Low Chip Select. Initiates conversions on the falling edge. When CS is high, DOUT is high
impedance.
CS
7
Reference Voltage for Analog-to-Digital Conversion. Internal 2.5V reference output. Bypass with 4.7F
capacitor.
REF
4
Active-Low Shutdown Input. Pulling SHDN low shuts down the device and reduces the supply current
to 2A (typ).
SHDN
3
SCLK
8
Pin Description
1.50
2.00
1.75
2.50
2.25
2.75
3.00
2.5
3.5
4.0
3.0
4.5
5.0
5.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX1284/5
toc09
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
CONVERTING
SCLK = 6.4MHz
CONVERTING
SCLK = 4.8MHz
STATIC
CODE = 1111 1111 1111
RL =
CL = 10pF
Serial-Data Output. DOUT changes state at SCLK’s rising edge High impedance when CS is high.
DOUT
6
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MAX1284EVC16 功能描述:模數轉換器 - ADC 12-Bit 400ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量: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
MAX1284EVKIT 功能描述:數據轉換 IC 開發(fā)工具 MAX1284 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
MAX1285BCSA 功能描述:模數轉換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數量: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
MAX1285BCSA+ 功能描述:模數轉換器 - ADC 12-Bit 300ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量: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
MAX1285BCSA+T 功能描述:模數轉換器 - ADC 12-Bit 300ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量: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