參數(shù)資料
型號： MAX1499
廠商： Maxim Integrated Products, Inc.
元件分類： LED驅(qū)動(dòng)器
英文描述： 3.5- and 4.5-Digit. Single-Chip ADCs with LED Drivers and 礐 Interface
中文描述： 3位半和4位半、單片ADC，帶有LED驅(qū)動(dòng)器和µC接口
文件頁數(shù)： 21/33頁
文件大?。?/td> 665K
代理商： MAX1499
M
3.5- and 4.5-Digit, Single-Chip ADCs with LED
Drivers and μC Interface
______________________________________________________________________________________
21
Default values:
8300h (for 3.5-digit, -2000)
B1E0h (for 4.5-digit, -20,000)
The underrange data register is 16-bit read/write regis-
ter (D15 is the MSB). When the conversion result falls
below the value in the underrange register, the UNDR
bit in the status register sets to 1. The LED shows a -1
followed by four dashes for the MAX1499 or a -1 fol-
lowed by three dashes for the MAX1497 (Table 4).
The data is represented in two’s complement format.
Default values: 0000h
Underrange Register (Read/Write)
MSB
D15
LSB
D0
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
LED Segment-Display Register 1 (Read/Write)
MSB
Bit 15
A1
Bit 14
G1
Bit 13
D1
Bit 1
F1
Bit 11
E1
Bit 10
DP2
Bit 9
X
Bit 8
B0
LSB
Bit 0
0
Bit 7
C0
Bit 6
A0
Bit 5
G0
Bit 4
D0
Bit 3
F0
Bit 2
E0
Bit 1
DP1
LED segment-display register 1 is a 16-bit read/write
register. When the LED bit (in the control register) is set
to 1, the MAX1497/MAX1499 provide direct access to
individual LED segments. The bits in the LED segment-
display register determine if a segment is on or off.
Write a zero to turn on a segment and a 1 to turn off a
segment.
DP1
:
Segment DP driver bit of digit 1. The default value
turns on the LED segment.
E0
:
Segment E driver bit of digit 0. The default value
turns on the LED segment.
F0
:
Segment F driver bit of digit 0. The default value
turns on the LED segment.
D0
:
Segment D driver bit of digit 0. The default value
turns on the LED segment.
G0
:
Segment G driver bit of digit 0. The default value
turns on the LED segment.
A0
:
Segment A driver bit of digit 0. The default value
turns on the LED segment.
C0
:
Segment C driver bit of digit 0. The default value
turns on the LED segment.
B0
:
Segment B driver bit of digit 0. The default value
turns on the LED segment.
X:
Don’t care.
DP2
:
Segment DP driver bit of digit 2. The default value
turns on the LED segment.
E1
:
Segment E driver bit of digit 1. The default value
turns on the LED segment.
F1
:
Segment F driver bit of digit 1. The default value
turns on the LED segment.
D1
:
Segment D driver bit of digit 1. The default value
turns on the LED segment.
G1
:
Segment G driver bit of digit 1. The default value
turns on the LED segment.
A1
:
Segment A driver bit of digit 1. The default value
turns on the LED segment.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX14998ETO+ 功能描述:模擬開關(guān) IC 4Ch DisplayPort MUX RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX14998ETO+T 功能描述:模擬開關(guān) IC 4Ch DisplayPort MUX RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX1499ECJ 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
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(fēng)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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