參數(shù)資料
型號(hào)： MAX1191
廠商： Maxim Integrated Products, Inc.
元件分類： ADC
英文描述： Ultra-Low-Power, 7.5Msps, Dual 8-Bit ADC
中文描述： 超低功耗、7.5Msps、雙路、8位ADC
文件頁數(shù)： 2/27頁
文件大小： 492K
代理商： MAX1191
M
Ultra-Low-Power, 7.5Msps, Dual 8-Bit ADC
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
DD
, OV
DD
to GND ...............................................-0.3V to +3.6V
OGND to GND.......................................................-0.3V to +0.3V
INA+, INA-, INB+, INB- to GND .................-0.3V to (V
DD
+ 0.3V)
CLK, REFIN, REFP, REFN, COM to GND...-0.3V to (V
DD
+ 0.3V)
PD0, PD1 to OGND .................................-0.3V to (OV
DD
+ 0.3V)
Digital Outputs to OGND.........................-0.3V to (OV
DD
+ 0.3V)
Continuous Power Dissipation (T
A
= +70
°
C)
28-Pin Thin QFN (derated 20.8mW/
°
C above +70
°
C)...1667mW
ELECTRICAL CHARACTERISTICS
(V
DD
= 3.0V, OV
DD
= 1.8V, V
REFIN
= V
DD
(internal reference), C
L
≈
10pF at digital outputs, f
CLK
= 7.5MHz, C
REFP
= C
REFN
= C
COM
= 0.33μF, T
A
= -40
°
C to +85
°
C, unless otherwise noted. Typical values are at T
A
= +25
°
C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Operating Temperature Range ...........................-40
°
C to +85
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC ACCURACY
Resolution
Integral Nonlinearity
Differential Nonlinearity
8
Bits
LSB
LSB
INL
DNL
±0.15
±0.13
±
1.00
±
1.00
±
4
±
6
±2
±0.2
No missing codes over temperature
≥
+25
°
C
<+25
°
C
Excludes REFP - REFN error
Offset Error
%FS
Gain Error
DC Gain Matching
Gain Temperature Coefficient
%FS
dB
ppm/
°
C
±0.01
±30
±0.2
±0.05
Offset (V
DD
±5%)
Gain (V
DD
±5%)
Power-Supply Rejection
LSB
ANALOG INPUT
Differential Input Voltage Range
V
DIFF
Differential or single-ended inputs
±
0.512
V
Common-Mode Input Voltage
Range
V
COM
V
DD
/ 2
V
Input Resistance
Input Capacitance
CONVERSION RATE
Maximum Clock Frequency
R
IN
C
IN
Switched capacitor load
720
5
k
pF
f
CLK
7.5
MHz
Channel A
Channel B
5.0
5.5
Data Latency
Clock
cycles
DYNAMIC CHARACTERISTICS
(differential inputs, 4096 point FFT)
f
IN
= 1.875MHz
f
IN
= 3.75MHz
f
IN
= 1.875MHz
f
IN
= 3.75
47
48.7
48.6
48.6
48.5
Signal-to-Noise Ratio
(Note 2)
SNR
dB
47
Signal-to-Noise and Distortion
(Note 2)
SINAD
dB
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1191ETI 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
MAX1191ETI+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 7.5Msps 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
MAX1191ETI+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 7.5Msps 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
MAX1191ETI-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
MAX1192ETI 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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