AK8996 Datasheet, PDF (17/74 Pages) Asahi Kasei Microsystems – Pressure Sensor Interface IC

[AK8996/W]
11-1-1) Reference Section Characteristics (Continued)
Unless otherwise specified, VDD = 2.2 to 5.5V, Temperature = -40 to 105ºC, register default
Item
Symbol
Conditions
Min.
Typ.
Max. Units Comments
VTMP voltage
Vt0
Unadj. (Temp = 25°C)
AM[3:0]:4h DET out
0.936
1.0
1.062
V
Vt0+
VTMP adj. width
Vt0-
With respect to Vt0
Max: ETM[5:0]=1Fh
With respect to Vt0
Min: ETM[5:0]=20h
+62
-64
mV
mV
VTMP adj. step Vt0stp
2.0
mV
VTMP temp
variation
Vt Temp = -40 to 105°C
3.0
mV/°C
Note)
AGND voltage Vag
0.5*VDD
-0.06
0.5*VDD
0.5*VDD
+0.06
V
Note) Design reference value; no production test performed.
11-1-2) Reference Section (packaged version only) Characteristics (note)
Unless otherwise specified, VDD = 4.5 to 5.5V, Temperature = -40 to 105ºC
Item
Symbol
Conditions
Min.
Typ.
Max. Units Comments
VREF voltage Vr0P AM[3:0]:1h DET out 0.99
1.0
1.01
V After adj.
VS voltage
VS51P Load resistance: 3kΩ 3.88
VS52P Load resistance: 1kΩ 3.88
4.00
4.00
4.12
4.12
V After adj.
After adj.
IREF current Ir0P AM[3:0]:2h DET out 18
20
22
µA After adj.
OSC freq.
Fr0P AM[3:0]:3h DET out 921.6 1024 1126.4 kHz After adj.
VTMP voltage Vt0P AM[3:0]:4h DET out 0.994
1.0
1.006
V
After adj.
@25°C
Note) Factory default adjustment is referenced to 5V mode (EVD[0]=0). If 3V mode (EVD[0]=1) is
used, readjustment is required
11-2) Gain Amplifier and Other Blocks
Unless otherwise specified, the following requirements apply.
• Reference Section is complete with adjustment.
• For supply voltage of 5V (3V), the level diagram includes G1 gain of 5x, Level shift 0.1*VDD
and BUFF gain of 4x (see level diagram 1) and the output voltage 4000mV (2000mV) is set as
100% based on a differential input of 80mV (40mV).
11-2-1) Overall Characteristics
Unless otherwise specified, VDD = 2.2 to 5.5V, Temperature = -40 to 105ºC, register default
Item
Symbol
Conditions
Min.
Typ.
Max. Units Comments
Std. gain
Gtyp VP/VN → VOUT
50
times
Input common
voltage
Vicom
0.45VS 0.5*VS 0.55VS V
Output common
voltage
Vcom0
VP/VN → VOUT
VP=VN=0.5*VS
0.1*VDD
V
Max. output
Vmax+ VP/VN → VOUT 0.9*VDD
V
range
Vmax- VP-VN=VSS or VDD
0.1*VDD V
Non-input noise
Nout
VP/VN → VOUT
VP=VN=Open
VO external
capacitance: 10nF
1,000 µVrms
@1Hz -
100kHz
Note)
Note) Value for 50x nominal gain. Design reference value; no production test performed.
MS1055-E-02
17
2011/12