参数资料
型号: MAX11055ECB+
厂商: Maxim Integrated Products
文件页数: 13/28页
文件大小: 0K
描述: IC ADC 14BIT PAR 250KSPS 64TQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 160
位数: 14
采样率(每秒): 250k
数据接口: 并联
转换器数目: 6
功率耗散(最大): 3.48W
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: 64-TQFP 裸露焊盘
供应商设备封装: 64-TQFP-EP(10x10)
包装: 管件
输入数目和类型: 6 个单端,双极
4-/6-/8-Channel, 16-/14-Bit,
Simultaneous-Sampling ADCs
20
Maxim Integrated
MAX11044/MAX11044B/MAX11045/MAX11045B/
MAX11046/MAX11046B/MAX11054/MAX11055/MAX11056
Reference Buffer
The MAX11044/MAX11044B/MAX11045/MAX11045B/
MAX11046/MAX11046B and MAX11054/MAX11055/
MAX11056 have a built-in reference buffer to provide a
low-impedance reference source to the SAR convert-
ers. This buffer is used in both internal and external ref-
erence mode. The reference buffer output feeds five
RDC pins. The RDC pins should be all connected
together on the PCB. The reference buffer is externally
compensated and requires at least 10μF on the RDC
node. For best performance, provide a total of at least
80μF on the RDC outputs.
Transfer Functions
Figures 8 and 9 show the transfer functions for all the
formats and devices. Code transitions occur halfway
between successive-integer LSB values.
-FS
7FFF
0001
0000
8000
8001
FFFE
INPUT VOLTAGE (LSB)
OUTPUT
CODE
(hex)
FFFF
0
FULL-SCALE
TRANSITION
+FS
+32,766.5 x VLSB
-32,767.5 x VLSB
-FS = -32,768 x VLSB
7FFE
+FS = 32,767 x VLSB
VLSB = (10/4.096) x (VREF/65,536)
+ 32,768
OUTPUT CODE =
VLSB
VIN
Figure 8. Two’s Complement Transfer Function for 16-Bit Devices
-FS
1FFF
0001
0000
2000
2001
3FFE
INPUT VOLTAGE (LSB)
OUTPUT
CODE
(hex)
3FFF
0
FULL-SCALE
TRANSITION
+FS
+8190.5 x VLSB
-8191.5 x VLSB
-FS = -8192 x VLSB
1FFE
+FS = 8191 x VLSB
VLSB = (10/4.096) x (VREF/16,384)
OUTPUT CODE =
VLSB
VIN
+ 8192
Figure 9. Offset-Binary Transfer Function for 16-Bit Devices
OUTPUT
CODE
(hex)
FULL-SCALE
TRANSITION
-FS
FFFF
8001
8000
0000
0001
7FFE
INPUT VOLTAGE (LSB)
7FFF
0
+FS
FFFE
OUTPUT CODE =
VLSB = (10/4.096) x (VREF/65,536)
-FS = -32,768 x VLSB
+FS = 32,767 x VLSB
+32,766.5 x VLSB
-32,767.5 x VLSB
VLSB
VIN
Figure 8b. Two’s Complement Transfer Function for 14-Bit Devices
OUTPUT
CODE
(hex)
FULL-SCALE
TRANSITION
-FS
3FFF
2001
2000
0000
0001
1FFE
INPUT VOLTAGE (LSB)
1FFF
0
+FS
+8190.5 x VLSB
-8191.5 x VLSB
3FFE
VLSB = (10/4.096) x (VREF/16,384)
OUTPUT CODE =
VLSB
VIN
-FS = -8192 x VLSB
+FS = 8191 x VLSB
Figure 9b. Offset-Binary Transfer Function for 14-Bit Devices
相关PDF资料
PDF描述
VE-J32-MX-F4 CONVERTER MOD DC/DC 15V 75W
MS27474E20B35PD CONN RCPT 79POS JAM NUT W/PINS
MAX1090ACEI+ IC ADC 10BIT 400KSPS 28-QSOP
MS27474E20B35PC CONN RCPT 79POS JAM NUT W/PINS
VI-2WH-MX-F1 CONVERTER MOD DC/DC 52V 75W
相关代理商/技术参数
参数描述
MAX11055ECB+ 功能描述:模数转换器 - ADC 14Bit 6Ch Simult Sampling 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
MAX11055ECB+T 功能描述:模数转换器 - ADC 14Bit 6Ch Simult Sampling 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
MAX11056 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCs
MAX11056ECB+ 功能描述:模数转换器 - ADC 14Bit 8Ch Simult Sampling 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
MAX11056ECB+T 功能描述:模数转换器 - ADC 14Bit 8Ch Simult Sampling 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