Datasheet

Electrical characteristics STPM10
10/53 Doc ID 17728 Rev 4
f
ADC
A/D converter bandwidth 10 kHz
f
SPL
A/D sampling frequency F
CLK
/4 Hz
V
OFF
Amplifier offset ±20 mV
Z
IP
V
IP
, V
IN
impedance
Over the total operating voltage
range
100 400 kΩ
Z
IN
I
IP1
, I
IN1
, I
IP2
, I
IN2
impedance
Over the total operating voltage
range
100 kΩ
G
ERR
Current channels gain error ±10 %
I
VL
Voltage channel leakage
current
-1 1 µA
I
IL
Current channel leakage
current
Channel disabled (PST=0 to 1
CH2 disabled if CSEL=0; CH1
disabled if CSEL=1) or device off
-1 1 µA
Input enabled -10 10 µA
Digital I/O Characteristics (SDA, CLKIN, CLKOUT, SCS, SYN, LED)
V
IH
Input high voltage
SDA, SCS, SYN, LED 0.75V
CC
V
CLKIN 1.5
V
IL
Input low voltage
SDA, SCL, SYN, LED 0.25V
CC
V
CLKIN 0.8
V
OH
Output high voltage I
O
=-2 mA V
CC
-0.4 V
V
OL
Output low voltage I
O
=+2 mA 0.4 V
I
UP
Pull up current 15 µA
t
TR
Transition time C
LOAD
=50 pF 10 ns
Crystal oscillator (see circuit Figure 19)
I
I
Input current on CLKIN 1 µA
R
P
External resistor 1 4 MΩ
Cp External capacitors 22 pF
f
CLK
Nominal output frequency
4.00 4.194
MHz
8.00 8.192
I
CLKIN
Settling current f
CLK
= 4 MHz 40 60 µA
R
SET
Settling resistor 12 kΩ
t
JIT
Frequency jitter 1 ns
On chip reference voltage
V
REF
Reference voltage 1.23 V
Reference accuracy ±1 %
Table 5. Electrical characteristics (continued)
Symbol Parameter Test conditions Min. Typ. Max. Unit