参数资料
型号: MAX5864ETM+T
厂商: Maxim Integrated Products
文件页数: 8/26页
文件大小: 0K
描述: IC ANLG FRONT END 22MSPS 48-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
位数: 10
通道数: 4
功率(瓦特): 2.10W
电压 - 电源,模拟: 2.7 V ~ 3.3 V
电压 - 电源,数字: 1.8 V ~ 3.3 V
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(7x7)
包装: 带卷 (TR)
MAX5864
DAC Timing
Figure 4 shows the relationship between the clock, input
data, and analog outputs. Data for the I channel (ID) is
latched on the falling edge of the clock signal, and Q-
channel (QD) data is latched on the rising edge of the
clock signal. Both I and Q outputs are simultaneously
updated on the next rising edge of the clock signal.
3-Wire Serial Interface and
Operation Modes
The 3-wire serial interface controls the MAX5864 opera-
tion modes. Upon power-up, the MAX5864 must be
programmed to operate in the desired mode. Use the
3-wire serial interface to program the device for the shut-
down, idle, standby, Rx, Tx, or Xcvr mode. An 8-bit data
register sets the operation modes as shown in Table 3.
The serial interface remains active in all six modes.
Ultra-Low-Power, High Dynamic-
Performance, 22Msps Analog Front End
16
______________________________________________________________________________________
Table 2. DAC Output Voltage vs. Input Codes (Internal Reference Mode VREFDAC =
1.024V, External Reference Mode VREFDAC = VREFIN)
DIFFERENTIAL OUTPUT VOLTAGE
OFFSET BINARY
(DD0–DD9)
INPUT DECIMAL CODE
11 1111 1111
1023
11 1111 1110
1022
10 0000 0001
513
10 0000 0000
512
01 1111 1111
511
00 0000 0001
1
00 0000 0000
0
VREFDAC
2.56
1023
×
VREFDAC
2.56
1021
1023
×
VREFDAC
2.56
3
1023
×
VREFDAC
2.56
1
1023
×
VREFDAC
2.56
1
1023
×
VREFDAC
2.56
1021
1023
×
VREFDAC
2.56
1023
×
Figure 4. DAC System Timing Diagram
tDSQ
tDSI
Q: N-2
I: N-1
DD0–DD9
CLK
ID
QD
Q: N-1
I: N
Q: N
I: N+1
N-2
N-1
N
N-2
N-1
N
tDHQ
tDHI
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MAX5865ETM+T 功能描述:ADC / DAC多通道 10-Bit 2Ch 40Msps CODEC/AFE RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
MAX5865ETM-D 制造商:Maxim Integrated Products 功能描述:DUAL 10BIT DAC & DUAL 8BIT ADC 40MSPS CODEC - Rail/Tube
MAX5865ETM-T 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40