Datasheet

REV. 0
AD6600
–12–
EQUIVALENT CIRCUITS
100
100
ATTENUATOR STAGE
EQUIVALENT INPUT R
SHOWN ONLY
AVCC
AVCC
GND
GND
V
REF
AIN
AIN
4/8 GAIN STAGE
BUF GAINBUF
Figure 2. Analog Input Stage (Channel A Shown;
Channel B Is Equivalent)
AVCC
GND
GND
AVCC
BIAS
AVCC
GND
B_SEL
ISEL_A ISEL_B
A_SEL
Figure 3. A_SEL, B_SEL Input Mode Pins
DVCC
CURRENT
MIRROR
DVCC
CURRENT
MIRROR
V
REF
D10–D0
RSSI [2:0]
500
Figure 4. Digital Outputs
315 315
AVCC
GND
AVCC
GND
AVCC
GND
FROM
GAIN STAGE
TO T/H
EXTERNAL LC FILTER
FLT FLT
Figure 5. Resonant (LC Noise Filter) Port
R1
17k
1/2
R1
17k
1/2
R2
8k
1/2
R2
8k
1/2
AVCC
ENCODE ENCODE
AVCC
TIMING
CIRCUITS
AVCC
Figure 6. Encode Inputs
DVCC
CURRENT
MIRROR
DVCC
CURRENT
MIRROR
V
REF
CLK2
AB_OUT
Figure 7. CLK2 ⫻ , AB_OUT Outputs