参数资料
型号: AFE7222IRGCT
厂商: Texas Instruments
文件页数: 41/106页
文件大小: 0K
描述: IC AFE 12BIT 65/130MSPS 64VQFN
标准包装: 1
位数: 12
通道数: 4
功率(瓦特): 610mW
电压 - 电源,模拟: 2.85 V ~ 3.6 V
电压 - 电源,数字: 1.7 V ~ 1.9 V
封装/外壳: 64-VFQFN 裸露焊盘
供应商设备封装: 64-VQFN 裸露焊盘(9x9)
包装: 标准包装
其它名称: 296-30113-6
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
Table 2-1. Pin Configuration: CMOS Input/Output Mode
PIN
DESCRIPTION
NO.
NAME
1
AVDD18_ADC
1.8V supply for RX ADCs
2
INN_B_ADC
RX ADC channel B analog input, negative
3
INP_B_ADC
RX ADC channel B analog input, positive
4
AVDD18_ADC
1.8V supply for RX ADCs
5
INN_A_ADC
RX ADC channel A analog input, negative
6
INP_A_ADC
RX ADC channel A analog input, positive
7
AVDD18_ADC
1.8V supply for RX ADCs
8
CLKINN
main clock input, negative side if differential mode, TX side if single-ended 2 clock mode
9
CLKINP
main clock input, positive side if differential mode, RX side if single-ended 2 clock mode
10
DVDD18_CLK
1.8V supply for Clocking circuit
11
AVDD3_DAC
3V supply for TX DACs
12
IOUTP_A_DAC
TX DAC channel A current output, positive (current sink DACs)
13
IOUTN_A_DAC
TX DAC channel A current output, negative (current sink DACs)
14
AVDD3_DAC
3V supply for TX DACs
15
IOUTP_B_DAC
TX DAC channel B current output, positive (current sink DACs)
16
IOUTN_B_DAC
TX DAC channel B current output, negative (current sink DACs)
17
AVDD3_DAC
3V supply for TX DACs
sets the TX DAC output current (resistor from pin to ground). Use 960 Ohm to set a full scale current of
18
BIASJ
20 mA.
19
DVDD18_DAC
1.8V DAC digital supply
20
AUXDAC_A
auxiliary DAC channel A output, current sourcing up to 7.5mA (SPI programmable)
21
AUXDAC_B
auxiliary DAC channel B output, current sourcing up to 7.5mA (SPI programmable)
22
AVDD3_AUX
3V supply for auxiliary ADC/DACs
23
AUXADC_A
auxiliary ADC channel A input
24
AUXADC_B
auxiliary ADC channel B input
25
AVDD18_ADC
1.8V supply for RX ADCs
26
DACDATA11
CMOS data input for TX data, MSB of TX DACs
27
DACDATA10
CMOS data input for TX data
28
DACDATA9
CMOS data input for TX data
29
DACDATA8
CMOS data input for TX data
30
DACDATA7
CMOS data input for TX data
31
DACDATA6
CMOS data input for TX data
32
DVDD18
1.8V supply for digital interface
33
DACDATA5
CMOS data input for TX data
34
DAC_DCLKIN
CMOS clock input for TX data. Send clock with data.
35
DACDATA4
CMOS data input for TX data
36
DACDATA3
CMOS data input for TX data
37
DACDATA2
CMOS data input for TX data
38
DACDATA1
CMOS data input for TX data
39
DACDATA0
CMOS data input for TX data. LSB of TX DACs
40
SYNCIN
CMOS sync input. Used to reset internal clock dividers and reset TX data FIFO pointer
41
DVDD18
1.8V supply for digital interface
42
ADCDATA11
CMOS data output for RX data, MSB of RX ADCs
43
ADCDATA10
CMOS data output for RX data
44
ADCDATA9
CMOS data output for RX data
45
ADCDATA8
CMOS data output for RX data
46
ADCDATA7
CMOS data output for RX data
4
DEVICE INFORMATION
Copyright 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): AFE7222 AFE7225
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