Operating Characteristics
For the following conditions unless otherwise specified:
Xtal Frequency = 3.579545MHz
VDD = 3.3V to 5.0V, Tamb = - 40°C to +85°C.
0dB = 775 mVrms, S/N = 20dB
Noise Bandwidth = 5kHz Band Limited Gaussian
Notes
Min.
Typ.
Max.
Units
DC Parameters
IDD (all powersaved)
IDD at VDD = 3.3V
IDD at VDD = 5.0V
1, 2
1
1
-
-
-
30
0.5
1.0
-
1
2
µA
mA
mA
Logic Interface
Input Logic '1'
Input Logic '0'
70%
-
-1.0
-
90%
-
-
-
-
-
-
-
-
-
-
VDD
VDD
µA
30%
1.0
7.5
-
10%
10.0
Input Leakage Current (Logic '1' or '0')
Input Capacitance
Output Logic '1' (IOH = 120µA)
Output Logic '0' (IOL = 360µA)
'Off' State Leakage Current
pF
VDD
VDD
µA
3
4
AC Parameters
SIGIN Pin
Input Impedance
Minimum Input Signal Level
Input Signal Dynamic Range
-
-
0.35
-40.0
-
-
-
-
MW
dB
dB
40.0
Level Detector
Detection Signal Level
(measured at AMPOP pin)
5
6
7
-
-19.0
-
dB
OPAMP
Input Impedance
Voltage gain
10.0
-
-
-
-
MW
V/V
500
Xtal/Clock Input
Pulse Width ('High' or 'Low')
Input Impedance (at 100Hz)
Gain (I/P = 1mV rms at 1kHz)
40.0
10.0
20.0
-
-
-
-
-
-
ns
MW
dB
Notes:
1. Not including any current drawn from the device pins by external circuitry.
2. Enable input at VSS, CSN input at VDD
3. IRQN pin, D0 to D3 pins.
.
4. Small signal impedance over the frequency range 100Hz to 2300Hz and at 5.0V.
5. Input signal level is multiplied by the voltage gain (-R2/R1). The overall signal should be
larger than 250mVp-p, at VDD = 5.0V, scale signal for different VDD
6. Open loop, small signal low frequency measurements.
7. Timing for an external input to the XTAL/CLOCK pin.
.
ã 1999 Consumer Microcircuits Limited
12
D/663/3
CMLMICRO [ CML MICROCIRCUITS ]
