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STPM32 Datasheet(PDF) 17 Page - STMicroelectronics

Part # STPM32
Description  ASSP for metering applications with up to four independent 24-bit 2nd order sigma-delta ADCs, 4 MHz OSF and 2 embedded PGLNA
PDF  121 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STPM32 Datasheet(HTML) 17 Page - STMicroelectronics

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DS10272 Rev 8
17/121
STPM32, STPM33, STPM34
Electrical characteristics
121
4
Electrical characteristics
VCC = 3.3 V, CL= 1 μF between VDDA and GNDA, CL = 4.7 μF between VDDD and GNDD,
CL= 1 μF between VCC and GND, CL = 100 nF between VREF1, 2 and GNDREF,
FCLK = 16 MHz, TAMB = 25 °C, EN = VCC, SPI/UART not used, unless otherwise specified.
Table 5. Electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
General section
TOP
Operating junction
temperature range
-
-40
-
105
°C
VCC
Operating supply
voltage
-
2.95
3.3
3.65
V
ICC
Operating current
STPM32
-
4.3
-
mA
STPM33
-
5.0
-
STPM34
-
5.9
-
STPM34
Primary channel ON: ENVREF1 = 1,
enV1 = enC1 = 1
Secondary channel OFF: ENVREF2 =
0, enV2 = enC2 = 0
-
4.5
-
STPM34
Primary current channel ON only:
ENVREF1 = 1, enV1 = 0, enC1 = 1
Secondary channel OFF: ENVREF2 =
0, enV2 = enC2 = 0
-
4.0
-
FCLK
Nominal frequency
-
-
16
-
MHz
t_comm
Interface selection
timing
-
125
-
-
ns
External Clock Source(1)
Duty cycle
Duty cycle of CLKIN
signal
-
40
-
60
%
t_rise
Rise time (10% to 90%)
of CLKIN signal
--
-
3
ns
Crystal oscillator(1)
Gm_crit_max
Maximum critical
crystal gm
-
-
-
0.46
mA/V
DL
Drive level
-
-
100
-
uW
COSC_IN
Internal capacitance of
oscillator inputs
--
4
-
pF
Power management (VDDA, VDDD, GNDA, GNDD, GND_REG, EN)
VPOR
Power-on-reset on VCC -
-
2.5
-
V



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