AFE5807_14 Datasheet, PDF (53/75 Pages) Texas Instruments – Fully Integrated, 8-Channel Ultrasound Analog Front End with Passive CW Mixer, 1.05 nV/rtHz, 12-Bit, 80 MSPS, 117 mW/CH

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AFE5807
SLOS703C – SEPTEMBER 2010 – REVISED MAY 2013
APPLICATION INFORMATION
5VA
3.3VA
1.8VA
1.8VD
10μF
10μF
10μF
10μF
IN CH1
IN CH2
IN CH3
IN CH4
IN CH5
IN CH6
IN CH7
IN CH8
VCNTLP IN
VCNTLM IN
1.4V
0.1μF
AVSS
N*0.1μF
N*0.1μF
N*0.1μF
AVSS
AVSS
DVSS
1μF ACT1
D1P
Clock termination
depends on clock types
LVDS, PECL, or CMOS
0.1μF IN1P
15nF IN1M
1μF ACT2
0.1μF IN2P
15nF IN2M
1μF ACT3
0.1μF IN3P
15nF IN3M
1μF ACT4
0.1μF IN4P
15nF IN4M
1μF ACT5
0.1μF IN5P
15nF IN5M
1μF ACT6
0.1μF IN6P
15nF IN6M
1μF ACT7
0.1μF IN7P
15nF IN7M
1μF ACT8
0.1μF IN8P
15nF IN8M
>1μF
CM_BYP
AFE5807
ANALOG INPUTS
ANALOG OUTPUTS
REF/BIAS DECOUPLING
LVDS OUTPUTS
D1M
D2P
D2M
D3P
D3M
D4P
D4M
D5P
D5M
D6P
D6M
D7P
D7M
D8P
D8M
DCLKP
DCLKM
FCLKP
FCLKM
0.1μF
0.1μF
CLKP
CLKM
AFE5807
0.1μF _{CLKP_16X}
0.1μF_{CLKM_16X}
0.1μF _{CLKP_1X}
CLOCK
INPUTS
0.1μF _{CLKM_1X}
SOUT
SDATA
SCLK
SEN AFE5807
RESET
PDN_VCA
DIGITAL
INPUTS
PDN_ADC
PDN_GLOBAL
OTHER
AFE5807
OUTPUT
CW_IP_AMPINP
CW_IP_OUTM
CW_IP_AMPINM
CW_IP_OUTP
R_EXT (optional)
C_CW
C_{AC RSUM}
R_EXT (optional)
C_CW
C_AC ^RSUM
C_{AC RSUM}
TO
SUMMING
AMP
>1μF
VHIGH
R_VCNTL
200Ω
R_VCNTL
200Ω
C_VCNTL
470pF
VCNTLP
VCNTLM
C_VCNTL
470pF
VREF_IN
0.1μF
REFM
REFP
AVSS
DVSS
OTHER
AFE5807
OUTPUT
CW_QP_AMPINP
OTHER
AFE5807
OUTPUT
CW_QP_OUTM ^CCW
CW_QP_AMPINM ^{REXT (optional)}
CW_QP_OUTP
DNCs
C_CW
R_EXT (optional)
OTHER
AFE5807
OUTPUT
C_AC ^RSUM
C_{AC RSUM}
C_AC ^RSUM
C_{AC RSUM}
C_AC ^RSUM
TO
SUMMING
AMP
Figure 82. Application Circuit
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