UTC571
BLOCK DIAGRAM
THD TRIM
LI
NEAR I
NTEGRATED CI
RCUI
T
R3 INVERTER IN
R3 20K
G
IN
R2 20K
VARIABLE
GAIN
R4 20K
VREF
1.8V
OUTPUT
R1 10K
RECT IN
RECTIFIER
RECT CAP
ABSOLUTE MAXIMUM RATINGS
(Ta=25
°
C )
Characteristic
Maximum Operating Voltage
Operating Temperature
Power dissipation
Symbol
V
CC
T
A
P
D
Value
18
0~70
400
Unit
V
°C
mW
AC ELECTRICAL CHARACTERISTICS
(Ta=25°C,
Vcc=+6V,unless otherwise stated)
Characteristic
Supply Voltage
Supply Current
Output Current capability
Output Slew Rate
Gsin Cell Distortion
Resister Tolerance
Internal Reference Voltage
Output DC Shift
Expandor Output Noise
Unity Gain Level
Gain Change
Reference Drift
Resistor Drift
Tracking Error(measured relative
to value at unity gain) Equals [VO-
VO(unity gain)]dB-V2dBm
Channel Separation
Note: 1. Input to V 1 and V 2 grounded.
2. Measured at 0dBm, 1kHz.
3. Expandor AC input change from no signal to 0dBm.
4. Relative to value at T A = 2
C.
5. Electrical characteristics for the UTC571 only are specified over -40 to +8
°C
temperature range.
6. 0dBm = 775mV RMS .
Symbol
V
CC
I
CC
I
OUT
SR
Test Condition
No signal
Min
6
Typ.
3.2
Max
18
4.8
Unit
v
mA
mA
V/µs
±20
Untrimmed
Trimmed
1.7
Untrimmed
No signal, 15Hz-20kHz
1kHz
-1.5
±.5
0.5
2.0
%
0.1
±5
±15
%
1.85
2.0
V
±30
±150
mV
µV
20
60
0
+1.5
dBm
±0.1
dB
+2,-25 +20,-50 mV
+8,-0
%
+0.2
+0.2
60
-1,+1.5
dB
dB
Rectifier input,
V2=+6dBm,V1=0dB
V2=-30dBm, V1=0dB
YOUW ANG ELECTRONI CO.
CS
LTD
2
UTC-IC [ UNISONIC TECHNOLOGIES ]
