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■
Structure
■
Product Name
Silicon Monolithic Integrated Circuit
For DSC handshake guard, signal processing and motor driving IC
■
Model Name
■
Function
・
・
・
・
・
・
・
・
BH9992GU
GYROAMP 2ch
HALLAMP 2ch
R-2R type 8bit D/A converter 5ch
R-2R type 10bit D/A converter 2ch
No dead zone system PWM Driver
SAW wave oscillator
Regulator
Rail to Rail AMP
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Absolute maximum ratings
Item
Symbol
Standard value
Unit
Power supply voltage
VC, VDD, PVCC
7.0
V
Power dissipation （*1）
PD
1400
mW
Operation temperature
TOPR
-10½70
℃
range
Storage temperature
TSTG
-40½125
℃
range
H Bridge output current1
IOUT1
300
mA
H Bridge output current2
IOUT2
500
mA
（*2）
*1 Mounting board specification（Rohm standard board） Material：The glass fabric base epoxy
Dimensions：50[mm]×58[mm]×1.75[mm] (8 layers)
When using it at Ta=25℃ or more, 14 [mW] of 1[℃] decreases.
*2 Instantaneous current（1[us] or less）
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Operating condition
Item
Symbol
Min.
Typ.
Max.
VC power supply voltage
VC
3.0 (*3)
3.3
5.5
VDD power supply voltage（≦VC）
VDD
2.5
3.0
5.5
PVCC power supply voltage
PVCC
3.0
5.0
5.5
Serial clock frequency
FSCLK
―
1.0
4.0
DACOUT limit load capacity 1
CLA1
―
―
0.1
(DAC0OUT,DAC3OUT,DAC4OUT)
Between VDDOUT and GND,
CLVDDOUT
1.0
―
30.0
load capacity
*3 When VDDOUT is used, the Min. operating condition of VC power supply voltage is 3.2[V].
Unit
V
V
V
MHz
μF
μF
・A radiation is not designed.
REV. D
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Electrical characteristic
◎Circuit current（VC=3.3[V], VDD=3.0[V], PVCC=5.0[V], DAC0OUT=VREF1IN, Ta=25[℃] except as otherwise noted.）
Standard value
Item
Symbol
Unit
Notes
Min. Typ. Max.
Current consumption 1 at standby
ISTBY
－
1.5
10
μA XSTBY, CLK, DI, LD=L
(VC+VDD+PVCC)
Current consumption1 when operating
DAC0=080H
ICC1
－
4.0
6.0
mA
(VC+VDD)
DAC1,2,3,4,5,6=000H
Current consumption2 when operating
DAC0=080H, DAC1,2,3,4,=0FFH
ICC2
－
11.0 16.5
mA
(VC+VDD)
DAC 5,6,=3FFH
Current consumption3 when operating
ICC3
－
25
50
μA XSTBY=H, POWSTBY_N=”0”
(PVCC)
◎HALL Sensor input _AMP
（VC=3.3[V], VDD=3.0[V], PVCC=5.0[V], DAC0=080H, DAC0OUT=VREF1IN, Ta=25[℃] except as otherwise noted）
Standard value
Item
Symbol
Unit
Notes
Min. Typ. Max.
<HALL_AMP (A1,A2)>
DAC1, 2=0FFH
Output voltage
H1VOUT
2.50
－
－
V
External 500[Ω], 270[Ω]
Output voltage range (Hi)
DAC1, 2=0FFH
H1VOH
2.40
－
－
V
(Open loop)
Outflow current 5.0[mA],
Output voltage range (Low)
DAC1, 2=000H
H1VOL
－
－
0.4
V
(Open loop)
Inflow current 5.0[mA], VIN=250[mV]
◎HALL Sensor output _AMP
（VC=3.3[V], VDD=3.0[V], PVCC=5.0[V], DAC0, DAC3, DAC4=080H, DAC0OUT=VREF1IN, Ta=25[℃] except as otherwise noted）
Standard value
Item
Symbol
Unit
Notes
Min. Typ. Max.
<HALL_AMP (A3,A4,A9,A10)>
Output voltage 1
H2VOUT1
2.9
－
－
V
VINP=1.2[V], VINN=1.1[V]
(Open loop)
Output voltage 2
H2VOUT2
－
－
0.2
V
VINP=1.1[V], VINN=1.2[V]
(Open loop)
VIN=10[mVpp] (Differential voltage input)
Voltage gain
H2GVD
38.5 40.0 41.5
dB
f=100[Hz]
Cutoff frequency
H2fc
4.1
8.1
12.1
kHz -3[dB], Capa 10[pF]
<HALL_AMP (A5-A7, A6-A8)>
VINP Input=1.125, VINN Input=0.375
Output voltage 1
H3VOUT1
2.8
－
－
V
HALLSW1,3=ON, HALLSW2=OFF
DAC0=0BFH, DAC3,4=040H
VINP Input=0.375, VINN Input=1.125
Output voltage 2
H3VOUT2
－
－
0.2
V
HALLSW1,3=ON, HALLSW2=OFF
DAC0=040H, DAC3,4=0BFH
VINP Input=0.0[V], VINN Input=3.0[V]
Output voltage 3
H3VOUT3
2.8
－
－
V
HALLSW2=ON, HALLSW1,3=OFF
DAC3,4=0AAH
VINP Input=0.0[V], VINN Input=0.0[V]
Output voltage 4
H3VOUT4
－
－
0.2
V
HALLSW2=ON, HALLSW1,3=OFF
DAC3,4=055H
VIN=10[mVpp] (Differential voltage input)
Voltage gain
H3GVD
-1.5
0
1.5
dB
f=100[Hz]
Cutoff frequency
H3fc
23.0 46.0 69.0
kHz -3[dB], Capa 33[pF]
REV. D
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