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参数资料
| 型号： | MAX1304ECM/V+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 15/37页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 4000KSPS 8CH 48LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 位数： | 12 |
| 采样率（每秒）： | 3.65M |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 1.82W |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 8 个单端，单极 |
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MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX1314
8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
22
______________________________________________________________________________________
Starting a Conversion
To start a conversion using internal clock mode, pull
CONVST low for the acquisition time (tACQ). The T/H
acquires the signal while CONVST is low, and conver-
sion begins on the rising edge of CONVST. The end-of-
conversion signal (EOC) pulses low whenever a
conversion result becomes available for read. The end-
of-last-conversion signal (EOLC) goes low when the last
conversion result is available (Figure 7).
To start a conversion using external clock mode, pull
CONVST low for the acquisition time (tACQ). The T/H
acquires the signal while CONVST is low. The rising
edge of CONVST is the sampling instant. Apply an
external clock to CLK to start the conversion. To avoid
T/H droop degrading the sampled analog input signals,
the first CLK pulse must occur within 10s from the
rising edge of CONVST. Additionally, the external clock
frequency must be greater than 100kHz to avoid T/H
droop-degrading accuracy. The first conversion result
is available for read when EOC goes low on the rising
edge of the 13th clock cycle. Subsequent conversion
results are available after every third clock cycle there-
after (Figures 8 and 9).
In both internal and external clock modes, hold
CONVST high until the last conversion result is read. If
CONVST goes low in the middle of a conversion, the
current conversion is aborted and a new conversion is
initiated. Furthermore, there must be a period of bus
inactivity (tQUIET) for 50ns or longer before the falling
edge of CONVST for the specified ADC performance.
CONVST
CH0
TRACK
HOLD
D0–D11
SAMPLE
INSTANT
tACQ
tEOC
tACC
tCTR
tRDH
tRTC
tRDL
tREQ
TRACK
CH1
tCONV
tNEXT
EOC
tCVEOLCD
tQUIET
≥ 50ns
EOLC
CS*
RD
*CS CAN BE LOW AT ALL TIMES, LOW DURING THE RD CYCLES, OR THE SAME AS RD.
Figure 7. Read During Conversion—Channel 0 and Channel 1 Selected, Internal Clock
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相关代理商/技术参数 |
参数描述 |
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| MAX13050ASA+ | 功能描述:CAN 接口集成电路 CAN Transceiver w/80V Fault Protect RoHS:否 制造商:Texas Instruments 类型:Transceivers 工作电源电压:5 V 电源电流: 工作温度范围:- 40 C to + 85 C 封装 / 箱体:SOIC-8 封装:Tube |
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