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參數(shù)資料
| 型號： | MAX1498ECJ+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 4 1/2DIG W/LED DVR 32TQFP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 250 |
| 位數(shù)： | 4.5 位 |
| 采樣率（每秒）： | 5 |
| 轉換器數(shù)目： | 1 |
| 功率耗散（最大）： | 1.65W |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-LQFP |
| 供應商設備封裝： | 32-LQFP（7x7） |
| 包裝： | 托盤 |
| 輸入數(shù)目和類型： | 1 個差分，雙極 |
MAX1447/MAX1496/MAX1498
3.5- and 4.5-Digit, Single-Chip ADCs
with LED Drivers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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.
AVDD to GND (MAX1447/MAX1498) ........................-0.3V to +6V
DVDD to GND (MAX1447/MAX1498)........................-0.3V to +6V
AIN+, AIN- to GND
(MAX1447/MAX1498) ......................VNEG to (AVDD to +0.3V)
REF+, REF- to GND
(MAX1447/MAX1498) ..................... VNEG to (AVDD to +0.3V)
INTREF, RANGE, DPSET1, DPSET2, HOLD, PEAK,
DPON to GND (MAX1447/MAX1498) ..-0.3V to (DVDD + 0.3V)
VNEG to GND (MAX1447/MAX1498).......-2.6V to (AVDD + 0.3V)
LED_EN to GND (MAX1447/MAX1498) ...-0.3V to (DVDD + 0.3V)
ISET to GND (MAX1447/MAX1498) .........-0.3V to (AVDD + 0.3V)
VDD to GND (MAX1496) ...........................................-0.3V to +6V
AIN+, AIN- to GND (MAX1496)..............VNEG to (VDD to +0.3V)
REF+, REF- to GND (MAX1496) ........... VNEG to (VDD to +0.3V)
INTREF, RANGE, DPSET1, DPSET2, HOLD, PEAK,
DPON to GND (MAX1496) .....................-0.3V to (VDD + 0.3V)
VNEG to GND (MAX1496)..........................-2.6V to (VDD + 0.3V)
ISET to GND (MAX1496) ............................-0.3V to (VDD + 0.3V)
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 (TA = +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
(AVDD = DVDD = VDD = +2.7V to +5.25V, GND = 0, VLED = +2.7V to +5.25V, GLED = 0, VREF+ - VREF- = 2.048V (external reference),
CREF+ = CREF- = 0.1F, CVNEG = 0.1F. Internal clock mode, unless otherwise noted. All specifications are at TA = TMIN to TMAX.
Typical values are at TA = +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC ACCURACY
MAX1447/MAX1498
-19,999
+19,999
Noise-Free Resolution
MAX1496
-1999
+1999
Counts
2.000V range
±1
Integral Nonlinearity (Note 1)
INL
200mV range
±1
Counts
Range Change Ratio
(VAIN+ - VAIN- = 0.100V) on 200mV range
(VAIN+ - VAIN- = 0.100V) on 2.0V range
10:1
Ratio
Rollover Error
VAIN+ - VAIN- = full scale
VAIN- - VAIN+ = full scale
±1
Counts
Output Noise
10
VP-P
Offset Error (Zero Input Reading)
Offset
VIN = 0 (Note 2)
-0
0
Readings
Gain Error
(Note 3)
-0.5
+0.5
% FSR
Offset Drift (Zero Reading Drift)
VIN = 0 (Note 4)
0.1
V/
°C
Gain Drift
±1
ppm/
°C
INPUT CONVERSION RATE
Conversion Rate
5Hz
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| MAX1498ECJ+ | 功能描述:模數(shù)轉換器 - ADC 4.5 Digit ADC w/LED Drivers RoHS:否 制造商:Texas Instruments 通道數(shù)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 |
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