參數(shù)資料
型號(hào)： MAX1447ECJ
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： 3.5- and 4.5-Digit, Single-Chip ADCs with LED Drivers
中文描述： 1-CH PROPRIETARY METHOD ADC, PQFP32
封裝： 7 X 7 MM, 1.40 MM HEIGHT, MO-136, TQFP-32
文件頁(yè)數(shù)： 2/24頁(yè)
文件大?。?/td> 907K
代理商： MAX1447ECJ
M
3.5- and 4.5-Digit, Single-Chip ADCs
with LED Drivers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
AV
DD
to GND (MAX1447/MAX1498)........................-0.3V to +6V
DV
DD
to GND (MAX1447/MAX1498)........................-0.3V to +6V
AIN+, AIN- to GND
(MAX1447/MAX1498)......................VNEG to (AV
DD
to +0.3V)
REF+, REF- to GND
(MAX1447/MAX1498)..................... VNEG to (AV
DD
to +0.3V)
INTREF, RANGE, DPSET1, DPSET2, HOLD, PEAK,
DPON to GND (MAX1447/MAX1498)..-0.3V to (DV
DD
+ 0.3V)
VNEG to GND (MAX1447/MAX1498).......-2.6V to (AV
DD
+ 0.3V)
LED_EN to GND (MAX1447/MAX1498)...-0.3V to (DV
DD
+ 0.3V)
ISET to GND (MAX1447/MAX1498).........-0.3V to (AV
DD
+ 0.3V)
V
DD
to GND (MAX1496)...........................................-0.3V to +6V
AIN+, AIN- to GND (MAX1496)..............VNEG to (V
DD
to +0.3V)
REF+, REF- to GND (MAX1496) ........... VNEG to (V
DD
to +0.3V)
INTREF, RANGE, DPSET1, DPSET2, HOLD, PEAK,
DPON to GND (MAX1496) .....................-0.3V to (V
DD
+ 0.3V)
VNEG to GND (MAX1496)..........................-2.6V to (V
DD
+ 0.3V)
ISET to GND (MAX1496)............................-0.3V to (V
DD
+ 0.3V)
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.
VLED to GLED..........................................................-0.3V to +6V
GLED to GND........................................................-0.3V to +0.3V
SEG_ to GLED..........................................-0.3V to (VLED + 0.3V)
DIG_ to GLED ..........................................-0.3V to (VLED + 0.3V)
DIG_ Sink Current.............................................................300mA
DIG_ Source Current...........................................................50mA
SEG_ Sink Current ..............................................................50mA
SEG_ Source Current..........................................................50mA
Maximum Current Input into Any Other Pin ........................50mA
Continuous Power Dissipation (T
A
= +70°C)
32-Pin TQFP (derate 20.7mW/°C above +70°C).....1652.9mW
28-Pin SSOP (derate 9.5mW/°C above +70°C) ...........762mW
28-Pin PDIP (derate 14.3mW/°C above +70°C)......1142.9mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-60°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
ELECTRICAL CHARACTERISTICS
(AV
DD
= DV
DD
= V
DD
= +2.7V to +5.25V, GND = 0, V
LED
= +2.7V to +5.25V, GLED = 0, V
REF+
- V
REF-
= 2.048V (external reference),
C
REF+
= C
REF-
= 0.1μF, C
VNEG
= 0.1μF. Internal clock mode, unless otherwise noted. All specifications are at T
A
= T
MIN
to T
MAX
.
Typical values are at T
A
= +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
DC ACCURACY
MAX1447/MAX1498
Noise-Free Resolution
MAX1496
2.000V range
Integral Nonlinearity (Note 1)
INL
200mV range
MIN
TYP
MAX
UNITS
-19,999
-1999
+19,999
+1999
Counts
±1
±1
Counts
Range Change Ratio
(V
AIN+
- V
AIN-
= 0.100V) on 200mV range
(V
AIN+
- V
AIN-
= 0.100V) on 2.0V range
10:1
Ratio
Rollover Error
V
AIN+
- V
AIN-
= full scale
V
AIN-
- V
AIN+
= full scale
±1
Counts
Output Noise
Offset Error (Zero Input Reading)
Gain Error
Offset Drift (Zero Reading Drift)
Gain Drift
INPUT CONVERSION RATE
Conversion Rate
10
μV
P-P
Read ngs
% FSR
μV/
°
C
ppm/
°
C
Offset
V
IN
= 0 (Note 2)
(Note 3)
V
IN
= 0 (Note 4)
-0
-0.5
0
+0.5
0.1
±1
5
Hz
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參數(shù)描述
MAX1447ECJ+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 4.5-Digit 5sps ADC w/LED Drivers 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
MAX1447ECJ+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 4.5-Digit 5sps ADC w/LED Drivers 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
MAX1447ECJ-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
MAX1448EHJ 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
MAX1448EHJ+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 80Msps 3V High Speed 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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