ES51997(60000counts)
DMM Analog front end
—
10
1
2.15
2.03
1.83
1000
+9
-7
1100
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
50
2.5
30
kHz
kHz
kHz
V
V
V
us
mV
mV
mV
mVp
mVrms
ppm/℃
%F.S
counts
3dB frequency for LPF active
4
f
3dB
V
t1
V
t2
V
t3
3dB=Full (ADP)
3dB=10k (ADP)
3dB=1k (ADP)
LBAT vs. V-
ACIN =40 ~ 400Hz
OVX to SGND
OVX to SGND
VR2-VR5
Multi-level low battery detector
Peak-hold mode pulse width
STBEEP comparator in Diode mode
STBEEP comparator in Cont. mode
HCF detection voltage
Frequency input sensitivity (FREQ)
Frequency input sensitivity (FREQ)
Reference voltage temperature
coefficient
Capacitance measurement
Accuracy
Note:
100
—
—
—
—
—
—
—
—
—
500
400
—
-2.5
-30
Fin
Fin
TC
RF
Square wave with
Duty cycle 40-60%
Sine wave
100KΩ
resister
Between
VRH
0℃<TA<70℃
6nF – 60mF
1. Full Scale (60000 counts for SADC and 600 counts for FADC)
2. SADC = High resolution ADC (slow speed)
3. FADC = High speed ADC (lower resolution)
4. ES51997 built-in 3
rd
order low pass filter available for AC mode
5. Gain calibration is necessary for higher accuracy
ver. 1.7
6
12/01/12
CYRUSTEK [ Cyrustek corporation ]
