参数资料
| 型号： | MAX111BEWE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 21/24页 |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT 2CH 16-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 位数： | 14 |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 762mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 4 个单端，单极；2 个差分，单极 |
MAX110/MAX111
Low-Cost, 2-Channel, ±14-Bit Serial ADCs
6
_______________________________________________________________________________________
Note 10: Timing specifications are guaranteed by design. All input control signals are specified with tr = tf = 5ns
(10% to 90% of +5V) and timed from a +1.6V voltage level.
Note 1: These specifications apply after auto-null and gain calibration. Performance at power-supply tolerance limits is guaranteed
by power-supply rejection tests. Tests are performed at VDD = 5V and VSS = -5V (MAX110).
Note 2: 32,768 LSBs cover an input voltage range of ±VREF (15 bits). An additional bit (OFL) is set for VIN > VREF.
Note 3: Guaranteed by design. Not subject to production testing.
Note 4: DNL is less than ±2 counts (LSBs) out of 215 counts (±14 bits). The major source of DNL is noise, and this can be further
improved by averaging.
Note 5: See
3-Step Calibration section in text.
Note 6: VREF = (VREF+ - VREF-), VIN = (VIN1+ - VIN1-) or (VIN2+ - VIN2-). The voltage is interpreted as negative when the voltage at
the negative input terminal exceeds the voltage at the positive input terminal.
Note 7: Conversion time is set by control bits CONV1–CONV4.
Note 8: Tested at clock frequency of 1MHz with the divide-by-2 mode (i.e. oversampling clock of 500kHz). See
Typical Operating
Characteristics section for the effect of other clock frequencies. Also read the Clock Frequency section.
Note 9: This current depends strongly on CXCLK (see Applications Information section).
TIMING CHARACTERISTICS (see Figure 6)
(VDD = 5V, VSS = -5V (MAX110), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
MHz
1.1
3.0
MAX11_ BM
RC Oscillator Frequency
1.3
2.8
MAX11_ _C/E
2.0
TA = +25°C
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
80
60
CS to SCLK Hold Time
(Note 10)
tCSH
0
ns
DIN to SCLK Setup Time
(Note 10)
tDS
100
ns
DIN to SCLK Hold Time
(Note 10)
tDH
0
ns
100
60
80
CS to SCLK Setup Time
(Note 10)
tCSS
100
ns
120
SCLK, XCLK Pulse Width
(Note 10)
tCK
160
ns
035
80
0
100
Data Access Time
(Note 10)
tDA
0
120
ns
0
60
100
0
120
SCLK to DOUT Valid
Delay (Note 10)
tDO
0
140
ns
35
80
Bus Relinquish Time
(Note 10)
tDH
120
ns
MAX11_ BM
MAX11_ _C/E
TA = +25°C
MAX11_ BM
MAX11_ _C/E
CONDITIONS
MAX11_ _C/E
MAX11_ BM
TA = +25°C
MAX11_ BM
TA = +25°C
CLOAD = 50pF
TA = +25°C
CLOAD = 50pF
MAX11_ _C/E
TA = +25°C
MAX11_ BM
TA = +25°C
MAX11_ _C/E/M
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| MAX111BMJE | 功能描述:模数转换器 - ADC 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 |
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