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参数资料
| 型号： | MAX1497EPI+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/33页 |
| 文件大小： | 0K |
| 描述： | IC ADC 3 1/2DIG W/LED DVR 28-DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 14 |
| 位数： | 3.5 位 |
| 采样率（每秒）： | 5 |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 28-DIP（0.600"，15.24mm） |
| 供应商设备封装： | 28-PDIP |
| 包装： | 管件 |
| 输入数目和类型： | 1 个差分，双极 |
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MAX1497/MAX1499
3.5- and 4.5-Digit, Single-Chip ADCs with LED
Drivers and C Interface
______________________________________________________________________________________
19
Default values: 00h
This register contains the status of the conversion
results.
SIGN: Latched negative-polarity indicator. Latches
high when the result is negative. Clears by reading the
status register, unless the condition remains true.
OVER: Overrange bit. Latches high if an overrange
condition occurs (the ADC result is larger than the
value in the overrange register). Clears by reading the
status register, unless the condition remains true.
UNDER: Underrange bit. Latches high if an under-
range condition occurs (the ADC result is less than the
value in the underrange register). Clears by reading the
status register, unless the condition remains true.
LOW_BATT: Low-battery bit. Latches high if the volt-
age at the LOWBATT is lower than 2.048V (typ). Clears
by reading the status register, unless the condition
remains true. For the MAX1497, LOWBATT is not used
and the LOWBATT bit always returns to zero.
DRDY: Data ready bit. Latches high to indicate a com-
pleted conversion result with valid data. Read the ADC
result register to clear this bit.
Control and Status Registers
Command Byte (Write Only)
Status Register (Read Only)
MSB
LSB
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
START(1)
R/W
RS4
RS3
RS2
RS1
RS0
X
MSB
LSB
SIGN
OVER
UNDER
LOW_BATT
DRDY
0
Control Register (Read/Write)
MSB
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
SPI/ADC
EXTCLK
INTREF
DPON
DPSET2
DPSET1
PD_DIG
PD_ANA
LSB
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
HOLD
PEAK
RANGE
CLR
SEG_SEL
OFFSET_CAL1
OFFSET_
CAL2
ENABLE
START: Start bit. The first 1 clocked into the MAX1497/
MAX1499 is the first bit of the command byte.
(R/W): Read/Write. Set this bit to 1 to read from the
specified register. Set this bit to zero to write to the
selected register. Note that certain registers are read
only. Write commands to a read-only register are
ignored.
(RS4–RS0): Register address bits. RS4 to RS0 specify
which register is accessed.
X: Don’t care.
Default values: 0001h
This register is the primary control register for the
MAX1497/MAX1499. It is a 16-bit read/write register. It
is used to indicate the desired clock and reference
source. It sets the LED display controls, range modes,
power-down modes, offset calibration, and the reset
register function (CLR).
ENABLE: (default = 1) LED driver enable bit. When set to
1, the MAX1497/MAX1499 enables the LED display dri-
vers. A 0 in this location disables the LED display drivers.
OFFSET_CAL2: (default = 0) Enhanced offset-calibra-
tion start bit (MAX1499, RANGE = 1). To achieve the
lowest possible offset in the ±200mV input range, per-
form an enhanced offset calibration by setting this bit to
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1497EPI+ | 功能描述:模数转换器 - ADC 3.5 Digit ADC w/LED Drivers RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX14980ETO+ | 制造商:Maxim Integrated Products 功能描述:6 GBPS QUAD SAS/SATA REDRIVER WITH EQUALIZATION - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC REDRIVER 6GBPS SAS/SATA QFN 制造商:Maxim Integrated Products 功能描述:6G/PS Quad SAS/SATA redriver with eq |
| MAX14980ETO+T | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel 制造商:Maxim Integrated Products 功能描述:MAX14980ETO+T |
| MAX14982ETO+ | 制造商:Maxim Integrated Products 功能描述:SINGLE LANE 2:1 / 1:2 MUX + REDRIVER WITH EQUALIZATION - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC EQUALIZER/REDRVR 42TQFN |
| MAX14982ETO+T | 制造商:Maxim Integrated Products 功能描述:1:2 / 2:1 PCIE GEN 2 MUX + REDRIVER - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC EQUALIZER/REDRVR 42TQFN |
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