User Manual

D03Rev2.3
2
DMT proprietary & confidential: product information is subject to change without notice.
Domintech Co., Ltd. Tel: +886-2-2290-1288 Fax: +886-2-2290-1266 http://www.domintech.com.tw
Specifications
Table 1: Pin Descriptions
Pin
Name Description Pin
Name Description
1 DGND Digital ground 11 AVDD Analog power
2 DVCC Digital power 12 CE Control of chip enable
3 VRT ADC reference voltage
13 VIF Interface power
4 AGND Analog ground 14 SCL Serial interface clock
5 Reserved
Do connect to ground 15 NC No connection inside
6 INT2 Interrupt signal 2 16 SDI Serial data interface
7 NC No connection inside 17 SDO Serial data interface
8 NC No connection inside 18 INT1 Interrupt signal 1
9
Reserved
Do not connect 19 CS Serial interface mode select
10 NC No connection inside 20 NC No connection inside
Table 2: General Specification
Parameter Conditions Min. Typ. Max. Unit
Operating Voltage V
op
(AVDD, DVCC, VRT)
T
a
= -40°C ~ +85°C
2.4 3.0 3.6 V
Interface Voltage V
if
T
a
= -40°C ~ +85°C
1.7 3.6 V
Operating current I
op
V
op
= 3V, T
a
= 25°C
250 400 uA
Standby current I
stby
V
op
= 3V, T
a
= 25°C
3 5 uA
Dynamic range -3 3 g
Sensitivity
V
op
= 3V, T
a
= 25°C
230 256 280 LSB/g
Zero-g offset
V
op
= 3V, Ta = 25°C
-120 120 LSB
Sensitivity to temp. dependency
T
a
= -40°C ~ +85°C
-0.08 0.08 %/°C
Zero-g offset temp. dependency
T
a
= -40°C ~ +85°C
-2 2 mg/°C
Nonlinearity -2 2 %FS
Cross axis sensitivity 2 6 %
Turn on time N: average order
T
ms
× N
ms
Noise BW=100Hz 3.6 mVrms
Operation temperature T
a
-40 +85 °C
Storage temperature range -40 +125 °C
Internal sampling period T
ms
User selectable 1.462, 2.925 ms