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參數(shù)資料
| 型號： | MAX115CAX+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 13/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAS SYSTEM 12BIT 36-SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 數(shù)據(jù)采集系統(tǒng)（DAS） |
| 分辨率（位）： | 12 b |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 電壓電源： | 模擬和數(shù)字 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 36-BSOP（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 36-SSOP |
| 包裝： | 帶卷 (TR) |
MAX115/MAX116
2x4-Channel, Simultaneous-Sampling
12-Bit ADCs
8
_______________________________________________________________________________________
The conversion timing and control sequences are
derived from either an internal clock or an external
clock, the CONVST signal, and the programmed mode.
The T/H amplifiers hold the input voltages at the
CONVST rising edge. Additional CONVST pulses are
ignored until the last conversion for the sample is com-
plete. An on-board sequencer converts one to four
channels per CONVST pulse. In the default mode, one
T/H output (CH1A) is converted. An interrupt signal
(INT) is provided after the last conversion is complete.
Convert two to four channels by reprogramming the
MAX115/MAX116 through the bidirectional parallel
interface. Once programmed, the MAX115/MAX116
continues to convert the specified number of channels
per CONVST pulse until they are reprogrammed. The
channels are converted sequentially, beginning with
CH1. The INT signal always follows the end of the last
conversion in a conversion sequence. The ADC con-
verts each assigned channel in 2s and stores the
result in an internal 4 x 12-bit memory.
At the end of the last conversion, INT goes low and the
T/H amplifiers begin to track the inputs again. The data
can be accessed by applying successive pulses to the
RD pin. Successive reads access data words sequen-
tially. The memory is not random-access and data from
CH1 is always read first. After performing four consecu-
tive reads or initiating a new conversion, the address
pointer selects CH1 again. Additional read pulses cycle
through the data words. CS can be held low during
successive reads.
Input Bandwidth
The T/H’s input tracking circuitry has a 10MHz small-
signal bandwidth, so it is possible to digitize high-
speed transient events and measure periodic signals
with bandwidths exceeding the ADC’s sampling rate by
using undersampling techniques. To avoid high-
frequency signals being aliased into the frequency
band of interest, anti-alias filtering is recommended.
Analog Input Range and Input Protection
The MAX115’s input range is ±5V, and the MAX116’s
input range is ±2.5V. The input resistance for the
MAX115 is 10k
(typ), and the input resistance for the
MAX116 is 1M
(typ). An input protection structure
allows input voltages to ±17V without harming the IC.
This protection is also active in shutdown mode.
S1A
S2A
HOLD
BUFFER
TRACK
CHOLD
7pF
HOLD
FROM MICROSEQUENCER
REFOUT
TRACK
MUX
DAC
SAR
S1B
S2B
S3B
S3A
CIN
R3
R2
R1
CIN
R3
R2
R1
CH_A
CH_B
MAX115
MAX116
MAX115: R1 =
∞, R2 = R3 = 5k
MAX116: R1 = R2 = 5k
, R3 = ∞
Figure 3. Equivalent Input Circuit
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參數(shù)描述 |
|---|---|
| MAX115EAX | 功能描述:數(shù)據(jù)轉(zhuǎn)換系統(tǒng) Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率:0.001 MSPs 分辨率:24 bit 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX115EAX+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX115EAX+T | 功能描述:數(shù)據(jù)轉(zhuǎn)換系統(tǒng) RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率:0.001 MSPs 分辨率:24 bit 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX115EAX-T | 功能描述:數(shù)據(jù)轉(zhuǎn)換系統(tǒng) RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率:0.001 MSPs 分辨率:24 bit 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX115EVB16 | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 12-Bit 8Ch 116ksps 2.6V Precision ADC 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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