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參數(shù)資料
| 型號： | MAX1496EPI |
| 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 |
| 中文描述： | 1-CH PROPRIETARY METHOD ADC, PDIP28 |
| 封裝： | 0.600 MM, PLASTIC, MS-011, DIP-28 |
| 文件頁數(shù)： | 10/24頁 |
| 文件大?。?/td> | 907K |
| 代理商： | MAX1496EPI |
M
3.5- and 4.5-Digit, Single-Chip ADCs
with LED Drivers
10
______________________________________________________________________________________
Detailed Description
The MAX1447/MAX1496/MAX1498 low-power, highly
integrated ADCs with LED drivers convert a ±2V differ-
ential input voltage (one count is equal to 100μV for the
MAX1447/MAX1498 and 1mV for the MAX1496) with a
sigma-delta ADC and output the result to an LED. An
additional ±200mV input range (one count is equal to
10μV for the MAX1447/MAX1498 and 100μV for the
MAX1496) is available to measure small signals with
increased resolution.
The devices operate from a single 2.7V to 5.25V power
supply and offer 3.5-digit (MAX1496) or 4.5-digit
(MAX1447/MAX1498) conversion results. An internal
2.048V reference, internal charge pump, and a high-accu-
racy on-chip oscillator eliminate external components.
The devices also feature on-chip buffers for the differen-
tial input signal and external-reference inputs, allowing
direct interface with high-impedance signal sources. In
addition, they use continuous internal offset-calibration
and offer >100dB of 50Hz and 60Hz line-noise rejec-
tion. Other features include data hold and peak detec-
tion and overrange/underrange detection.
Analog Input Protection
Internal protection diodes limit the analog input range
from VNEG to (AV
DD
+ 0.3V) for the MAX1447/
MAX1498, and from VNEG to (V
DD
+ 0.3V) for the
MAX1496. If the analog input exceeds this range, limit
the input current to 10mA.
Internal Analog Input/Reference Buffers
The MAX1447/MAX1496/MAX1498 analog input/refer-
ence buffers allow the use of high-impedance signal
sources. The input buffers’ common-mode input range
allows the analog inputs and the reference to range from
-2.2V to +2.2V.
Pin Description (continued)
PIN
MAX1496
MAX1447/
MAX1498
NAME
FUNCTION
19
20
21
22
23
24
18
20
21
22
23
24
DIG3
SEGA
SEGB
SEGC
SEGD
SEGE
Digit 3 Driver
Segment A Driver
Segment B Driver
Segment C Driver
Segment D Driver
Segment E Driver
25
25
VLED
LED Display Segment Driver Supply. Connect to a +2.7V to +5.25V supply. Bypass with a
0.1μF capacitor to GLED.
26
27
28
26
27
28
SEGF
SEGG
SEGDP
Segment F Driver
Segment G Driver
Segment DP Driver
—
6
AV
DD
Analog Positive Supply Voltage. Connect AV
DD
to a +2.7V to +5.25V power supply. Bypass
AV
DD
to GND with a 0.1μF capacitor.
—
7
DV
DD
Digital Positive Supply Voltage. Connect DV
DD
to a +2.7V to +5.25V power supply. Bypass
DV
DD
to GND with a 0.1μF capacitor.
Digit 4 Driver
—
19
DIG4
—
29
LED_EN
Active-High LED Enable. The MAX1447/MAX1498 display driver turns off when the LED_EN
is driven to logic low. The MAX1447/MAX1498 LED display driver turns on when LED_EN is
driven to logic high.
—
30
DPON
Decimal-Point Enable Input. Controls the decimal point of the LED. See the
Decimal-Point
Control
section. Connect to DV
DD
(MAX1447/MAX1498) or V
DD
(MAX1496) to enable the
decimal point.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| MAX1496EPI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 3.5 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 |
| MAX14970ETP+ | 制造商:Maxim Integrated Products 功能描述:RUGGEDIZED SATA 6GBPS REDRIVER WITH HIGH ESD AND EXTENDED TE - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC REDRIVER RUGGED 6GBPS QFN 制造商:Maxim Integrated Products 功能描述:Equalizers ruggedized sata 6gbp s redriver with high |
| MAX14970ETP+T | 制造商:Maxim Integrated Products 功能描述:RUGGEDIZED SATA 6GBPS REDRIVER WITH HIGH ESD AND EXTENDED TE - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC REDRIVER SATA GEN 3 QFN 制造商:Maxim Integrated Products 功能描述:ruggedized sata 6gbp s redriver with high |
| MAX14970EVKIT# | 制造商:Maxim Integrated Products 功能描述:EVALUATION KIT FOR MAX14970. RUGGEDIZED SATA 6GBPS REDRIVER - Boxed Product (Development Kits) 制造商:Maxim Integrated Products 功能描述:KIT EVALUATION FOR MAX14970 制造商:Maxim Integrated Products 功能描述:Equalizers MAX14970 Eval Kit |
| MAX14972CTG+ | 功能描述:USB 接口集成電路 Dual USB 3.0 Re-Driver RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
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