参数资料
型号: AFE7222EVM
厂商: Texas Instruments
文件页数: 19/106页
文件大小: 0K
描述: EVAL MODULE FOR AFE7222
标准包装: 1
主要目的: 接口,模拟前端(AFE)
嵌入式:
已用 IC / 零件: AFE7222
已供物品:
其它名称: 296-30300
AFE7222EVM-ND
2-1
MUX
SPI Interface, Registers and Control
Q
M
C
O
ff
s
e
t
±
F
s
/4
C
o
a
rs
e
M
ix
e
r
±
F
s
/4
C
o
a
rs
e
M
ix
e
r
RX RMS /
Peak
Power Meter
Clock
Divide/Multiply
INP_A_ADC
S
e
ri
a
l
L
V
D
S
o
r
P
a
ra
ll
e
l
C
M
O
S
e
ri
a
l
L
V
D
S
o
r
P
a
ra
ll
e
l
C
M
O
S
(8
d
e
p
F
IF
O
)
12b
RX ADC B
12b
TX DAC A
12b
TX DAC B
IOUTP_A_DAC
Q
M
C
G
a
in
/
P
h
a
s
e
Internal
Reference
12b Aux DAC
SYNC
12b
RX ADC A
2
x
H
B
F
In
te
rp
o
la
ti
o
n
2
x
H
B
F
In
te
rp
o
la
ti
o
n
/2
H
B
F
D
e
c
im
a
ti
o
n
INN_A_ADC
INP_B_ADC
INN_B_ADC
CLKINP
CLKINN
IOUTN_A_DAC
IOUTP_B_DAC
IOUTN_B_DAC
AUXDAC_A
VCM
AVDD3_DAC = 3 V
12b Aux DAC
12b Aux ADC
AUXDAC_B
AUXADC_A
AUXADC_B
PDN
SYNC
SEN
SCLK
SDATA
SDOUT
BIASJ
RESET
DVDD18_DAC = 1.8 V
AVDD18_ADC = 1.8 V
DVDD18 = 1.8 V
AVDD3_AUX = 3 V
DVDD18_CLK = 1.8 V
SYNC
SYNC
SYNC
Q
M
C
O
ff
s
e
t
SYNC
In
v
e
rs
e
S
IN
C
Q
M
C
G
a
in
/
P
h
a
s
e
SYNC
12-Bit ADC
Outputs
12-Bit DAC
Inputs
ADC CLK
DAC CLK
F
in
e
M
ix
e
r
SYNC
NCO
SYNC
F
in
e
M
ix
e
r
NCO
SYNC
Thermal Pad = Ground
SYNC
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
1.4
DETAILED BLOCK DIAGRAM
Figure 1-1. Block Diagram of AFE7222/AFE7225
2
INTRODUCTION
Copyright 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): AFE7222 AFE7225
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