Preliminary W91030B
Electrical Characteristics - Gain Control OP-Amplifier
(Electrical characteristics supersede the recommended operating conditions unless otherwise stated.)
PARAMETER
Input Leakage Current
Input Resistance
SYM.
MIN.
10
MAX. UNITS TEST CONDITIONS
TYP.§
IN
I
1
uA
SS
V
IN
V
DD
V
£
£
IN
R
W
M
OS
Input Offset Voltage
V
25
mV
dB
Power Supply Rejection Ratio
PSRR
40
1 KHz 0.1 Vpp ripple
DD
on V
L
C
Maximum Capacitive Load
(GCFB)
100
pF
L
R
Maximum Resistive Load (GCFB)
50
W
K
Note: " " typical figure are at VDD = 5V and temperature = 25 C are design aids only, not guaranteed and not subject to
§
°
production testing.
AC Electrical Characteristics
(AC electrical characteristics supersede the recommended operating conditions unless otherwise stated.)
Dual Tone Alert Signal Detection
PARAMETER
Low Tone Frequency
SYM.
MIN.
TYP.
2130
2750
MAX.
UNITS
Hz
NOTES
L
F
H
F
High Tone Frequency
Hz
Frequency Deviation Acceptance
Frequency Deviation Rejection
Maximum Input Signal Level
1.1
3.5
%
1
2
3
%
dBma
dBm
dBm
dB
0.22
Input Sensitivity Per Tone
-37
-45
7
-38
-44
3, 4
3, 4
Reject Signal Level Per Tone
Positive and Negative Twistb Accept
TONE
SNR
Noise Tolerance
20
dB
3, 4, 5
Notes:
a. dBm = decibels with a reference power of 1 mW into 600 ohms, 0 dBm = 0.7746 Vrms.
H
L
b. Twist = 20 log (F amplitude / F amplitude).
1: The range within which tones are accepted.
2: The range outside of which tones are rejected.
3: These characteristics are for VDD = 5V and temperature = 25 C.
°
4: Both tones have the same amplitude. Both tones are at the nominal frequencies.
5: Band limited random noise 300 3400 Hz. Present only when the tone is present.
-
Publication Release Date: March 2000
Revision A1
- 15 -
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