參數資料
型號: MAX189AEPA+
廠商: Maxim Integrated Products
文件頁數: 15/18頁
文件大?。?/td> 0K
描述: IC ADC 12BIT SERIAL LP 8-DIP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 50
位數: 12
采樣率(每秒): 75k
數據接口: MICROWIRE?,QSPI?,串行,SPI?
轉換器數目: 1
功率耗散(最大): 500mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 通孔
封裝/外殼: 8-DIP(0.300",7.62mm)
供應商設備封裝: 8-PDIP
包裝: 管件
輸入數目和類型: 1 個單端,單極
MAX187/MAX189
+5V, Low-Power, 12-Bit Serial ADCs
6
Maxim Integrated
Pin Description
Pin Configurations
PIN
NAME
FuNCTION
PDIP
WIDE SO
1
VDD
Supply Voltage. +5V, Q5%
2
3
AIN
Sampling Analog Input. 0V to VREF range
3
6
SHDN
Three-Level Shutdown Input. Pulling SHDN low shuts the MAX187/MAX189 down to 10FA
(max) supply current. Both MAX187 and MAX189 are fully operational with either SHDN
high or unconnected. For the MAX187, pulling SHDN high enables the internal reference,
and letting SHDN unconnected disables the internal reference and allows for the use of an
external reference.
4
8
REF
Reference Voltage—sets analog voltage range and functions as a 4.096V output for the
MAX187 with enabled internal reference. REF also serves as a +2.5V to VDD input for a
precision reference for both MAX187 (disabled internal reference) and MAX189. Bypass
with 4.7FF if internal reference is used, and with 0.1FF if an external reference is applied.
5
GND
Analog and Digital Ground
10
AGND
Analog Ground
11
DGND
Digital Ground
6
12
DOUT
Serial Data Output. Data changes state at SCLK’s falling edge.
7
15
CS
Active-Low Chip Select. Initiates conversions on the falling edge. When CS is high, DOUT is
high impedance.
8
16
SCLK
Serial Clock Input. Clocks data out with rates up to 5MHz.
2, 4, 5, 7,
9, 13. 14
N.C.
No Connection. Not internally connected. Connect to AGND for best noise performance.
REF
GND
1
2
8
7
VDD
AIN
DOUT
SCLK
PDIP
TOP VIEW
3
4
6
5
MAX187
MAX189
MAX187
MAX189
SHDN
CS
+
N.C.
1
2
16
15
SCLK
+
CS
N.C.
AIN
VDD
Wide SO
3
4
14
13
DGND
AGND
N.C.
512 DOUT
N.C.
SHDN 6
7
11
10
N.C.
REF 89
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相關代理商/技術參數
參數描述
MAX189AEPA+ 功能描述:模數轉換器 - ADC 12-Bit 75ksps 5.25V 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
MAX189AEWE 功能描述:模數轉換器 - 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
MAX189AEWE+ 功能描述:模數轉換器 - ADC 12-Bit 75ksps 5.25V 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
MAX189AEWE+T 功能描述:模數轉換器 - ADC 12-Bit 75ksps 5.25V 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
MAX189AEWE-T 功能描述:模數轉換器 - 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