ML2003, ML2004
PRODUCT SPECIFICATION
ML2003
VIN
VOUT
ATTEN/GAIN
C3-C0
F3-F1
UP/DOWN
8-BIT COUNTER U/D
CLOCK
+5
–
COMPARATOR
+
R1
+5
R2
R3
R1, R2, R3 SETS AGC THRESHOLD
AND HYSTERESIS
Figure 16. Analog AGC
ML2003
VIN
VOUT
ATTEN/GAIN
C3-C0
F3-F1
UP/DOWN
8-BIT CTR U/D
CLOCK
DOWN UP
FROM
µP OR
SWITCHES
Figure 17. Digitally Controlled Volume Control
VREF
ML2003
VIN
VOUT
ATTEN/GAIN
C3-C0
F3-F1
UP/DOWN
8-BIT COUNTER U/D
–
COMPARATOR
+
VPEAK
VOUT
VPEAK
VIN
CLK1
CLK2
fCLK1 DETERMINES PEAK ACQUIRE TIME
fCLK2 DETERMINES PEAK HOLD TIME
Figure 18. Precision Peak Detector (±1%) with Controllable Acquire and Hold Time
10
REV. 1.1.1 3/19/01