參數(shù)資料
型號(hào): MAX1291BCEI+
廠(chǎng)商: Maxim Integrated Products
文件頁(yè)數(shù): 14/20頁(yè)
文件大?。?/td> 0K
描述: IC ADC 12BIT 250KSPS 28-QSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 50
位數(shù): 12
采樣率(每秒): 250k
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 667mW
電壓電源: 單電源
工作溫度: 0°C ~ 70°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 28-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 28-QSOP
包裝: 管件
輸入數(shù)目和類(lèi)型: 8 個(gè)單端,單極;8 個(gè)單端,雙極;4 個(gè)偽差分,單極;4 個(gè)偽差分,雙極
MAX1291/MAX1293
250ksps, +3V, 8-/4-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = VLOGIC = +2.7V to +3.6V, COM = GND, REFADJ = VDD, VREF = +2.5V, 4.7F capacitor at REF pin, fCLK = 4.8MHz (50% duty
cycle); TA = TMIN to TMAX unless otherwise noted. Typical values are at TA = +25°C.)
CONDITIONS
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
0 to 0.5mA output load
To power down the internal reference
For small adjustments
TA = 0°C to +70°C
On/off-leakage current, VIN = 0 or VDD
Unipolar, VCOM = 0
V
1.0
VDD +
50mV
VREF
REF Input Voltage Range
F
4.7
10
Capacitive Bypass at REF
F
0.01
1
Capacitive Bypass at REFADJ
mV/mA
0.2
Load Regulation (Note 7)
V
VDD - 1.0
REFADJ High Threshold
mV
±100
REFADJ Input Range
±20
ppm/°C
TCREF
REF Temperature Coefficient
mA
15
REF Short-Circuit Current
V
2.49
2.5
2.51
REF Output Voltage
pF
12
CIN
Input Capacitance
A
±0.01
±1
Multiplexer Leakage Current
V
Analog Input Voltage Range
Single-Ended and Differential
(Note 6)
0VREF
VIN
CS = VDD
ISOURCE = 1mA
ISINK = 1.6mA
VIN = 0 or VDD
VLOGIC = 2.7V
A
±0.1
±1
ILEAKAGE
Three-State Leakage Current
V
VLOGIC - 0.5
VOH
Output High Voltage
V
0.4
VOL
Output Low Voltage
pF
15
CIN
Input Capacitance
A
±0.1
±1
IIN
Input Leakage Current
mV
200
VHYS
Input Hysteresis
2.0
CS = VDD
pF
15
COUT
Three-State Output Capacitance
Bipolar, VCOM = VREF / 2
-VREF/2
+VREF/2
VREF = 2.5V, fSAMPLE = 250ksps
A
200
300
IREF
REF Input Current
Shutdown mode
2
VLOGIC = 1.8V
V
1.5
VIH
Input High Voltage
VLOGIC = 1.8V
V
0.5
VIL
Input Low Voltage
VLOGIC = 2.7V
0.8
ANALOG INPUTS
INTERNAL REFERENCE
EXTERNAL REFERENCE AT REF
DIGITAL INPUTS AND OUTPUTS
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MAX1291BCEI+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 250ksps 3.6V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1291BCEI+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 250ksps 3.6V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1291BCEI-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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1291BEEI 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1291BEEI+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 250ksps 3.6V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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