參數(shù)資料
型號： MAX1497EAI
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 and レC Interface
中文描述： 1-CH PROPRIETARY METHOD ADC, PDSO28
封裝： 5.30 MM, MO-150, SSOP-28
文件頁數(shù)： 5/33頁
文件大?。?/td> 665K
代理商： MAX1497EAI
M
3.5- and 4.5-Digit, Single-Chip ADCs with LED
Drivers and μC Interface
_______________________________________________________________________________________
5
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
320
180
20
UNITS
DV
DD
= 5V
DV
DD
= 3.3V
Standby mode
From AV
DD
or V
DD
DV
DD
Current (Notes 8, 9)
I
DVDD
μA
LED Drivers Bias Current
LED DRIVERS
(Table 6)
LED Supply Voltage
LED Shutdown Supply Current
120
μA
V
LED
I
SHDN
2.70
5.25
10
V
μA
LED driver shutdown mode
LED Supply Current
I
LED
Seven segments and decimal point on,
R
ISET
= 25k
MAX1499
MAX1497
176
mA
512
640
25
0.178
Display Scan Rate
f
OSC
Hz
Segment Current Slew Rate
DIG_ Voltage Low
I
SEG
/
t
V
DIG
mA/μs
V
I
DIG_
= 176mA
0.300
Segment Drive Source Current
Matching
I
SEG
±3
±10
%
Segment Drive Source Current
Interdigit Blanking Time
I
SEG
V
LED
- V
SEG
= 0.6V, R
ISET
= 25k
16
20
4
25.5
mA
μs
ELECTRICAL CHARACTERISTICS (continued)
(AV
DD
= DV
DD
= V
DD
= +2.7V to +5.25V, GND = 0, GLED = 0, V
LED
= +2.7V to +5.25V, 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.)
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相關代理商/技術參數(shù)
參數(shù)描述
MAX1497EAI+ 功能描述:模數(shù)轉換器 - ADC 3.5 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
MAX1497EAI+T 功能描述:模數(shù)轉換器 - ADC 3.5 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
MAX1497EAI-T 功能描述:模數(shù)轉換器 - ADC 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
MAX1497EPI 功能描述:模數(shù)轉換器 - ADC 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
MAX1497EPI+ 功能描述:模數(shù)轉換器 - ADC 3.5 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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