參數(shù)資料
型號： MAX1499ECJ+
廠商： Maxim Integrated Products
文件頁數(shù)： 23/33頁
文件大?。?/td> 0K
描述： IC ADC 3 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)： 3.5 位
采樣率（每秒）： 5
數(shù)據(jù)接口： MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
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(shè)備封裝： 32-LQFP（7x7）
包裝： 管件
輸入數(shù)目和類型： 1 個差分，雙極
MAX1497/MAX1499
3.5- and 4.5-Digit, Single-Chip ADCs with LED
Drivers and C Interface
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ANALOG INPUTS (AIN+, AIN-) (bypass to GND with 0.1F or greater capacitors)
RANGE bit = 0
-2.0
+2.0
AIN Input Voltage Range (Note 5)
RANGE bit = 1
-0.2
+0.2
AIN Absolute Input Voltage
Range to GND
-2.2
+2.2
V
Internal clock mode, 50Hz and 60Hz ±2%
100
Normal-Mode 50Hz and 60Hz
Rejection (Simultaneously)
External clock mode, 50Hz and 60Hz ±2%,
fCLK = 4.9152MHz
120
dB
Common-Mode 50Hz and 60Hz
Rejection (Simultaneously)
CMR
For 50Hz and 60Hz ±2%, RSOURCE < 10k
150
dB
Common-Mode Rejection
CMR
At DC
100
dB
Input Leakage Current
10
nA
Input Capacitance
10
pF
Average Dynamic Input Current
(Note 6)
-20
+20
nA
LOW-BATTERY VOLTAGE MONITOR (LOWBATT) (MAX1499 only)
LOWBATT TripThreshold
2.048
V
LOWBATT Leakage Current
10
pA
Hysteresis
20
mV
INTERNAL REFERENCE (REF- = GND, INTREF bit = 1) (bypass REF+ to GND with a 4.7F capacitor)
REF Output Voltage
VREF
AVDD = VDD = 5V
2.007
2.048
2.089
V
REF Output Short-Circuit Current
1mA
REF Output Temperature
Coefficient
TCVREF
AVDD = VDD = 5V
40
ppm/°C
Load Regulation
ISOURCE = 0 to 300A, ISINK = 0 to 30A
6
mV/A
Line Regulation
50
V/V
0.1Hz to 10Hz
25
Noise Voltage
10Hz to 10kHz
400
VP-P
EXTERNAL REFERENCE (INTREF bit = 0) (bypass REF+ and REF- to GND with 0.1F or greater capacitors)
REF Input Voltage
Differential (VREF+ - VREF-)
2.048
Absolute REF+, REF- Input
Voltage to GND
-2.2
+2.2
V
Internal clock mode, 50Hz and 60Hz ±2%
100
Normal-Mode 50Hz and 60Hz
Rejection (Simultaneously)
External clock mode, 50Hz and 60Hz ±2%,
fCLK = 4.9152MHz
120
dB
Common-Mode 50Hz and 60Hz
Rejection (Simultaneously)
CMR
For 50Hz and 60Hz ±2%, RSOURCE < 10k
150
dB
Common-Mode Rejection
CMR
At DC
100
dB
Input Leakage Current
10
nA
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = VDD = +2.7V to +5.25V, GND = 0, GLED = 0, VLED = +2.7V to +5.25V, 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.)
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參數(shù)描述
MAX1499ECJ+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 4.5 Digit 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1499ECJ+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 4.5 Digit 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1499ECJ-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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1499EVC16 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 3.5- and 4.5-Digit Single-Chip ADCs with LED Drivers and uC Interface 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1499EVKIT 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 Evaluation Kit/Evaluation System for the MAX1499 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
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