CS4122
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS (40
°C ≤ TA ≤ 105°C, 7.5 V ≤ VBB ≤ 14 V, 4.5 V ≤ VCC ≤ 5.5 V; unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Supply Voltages and Currents
Analog Supply Current
VBB = 14 V, no coil loads,
RCOS, RSIN = 150 W
Major @ 45
° (code = 08016),
Both Minors @ 0
° (codes = 0016)
Major @ 0
° (code = 00016),
Both Minors @ 56
° (codes = 8016)
5.20
310
81
25
340
100
mA
Logic Supply Current
VCC = 5.5 V
SCLK = 2.0 MHz
SCLK = 0 MHz, VBB = 0 V
1.0
0.9
2.0
1.5
mA
Protection and Poweron Reset
Thermal Shutdown
Drive Outputs Off
160
°C
Poweron Reset
VCC Rising
VCC Falling
2.5
4.5
V
Digital Inputs and Outputs
Output High Voltage
SO = IOUT(HIGH) = 0.8 mA
VCC 0.8
V
Output Low Voltage
SO = IOUT(LOW) = 1.5 mA
FAULT, IOUT(LOW) = 2.8 mA
0.4
0.8
V
FAULT Leakage Current
VFAULT = 5.0 V
25
mA
Input High Voltage
CS, SCLK, SI
0.7
× VCC
V
Input Low Voltage
CS, SCLK, SI
0.3
× VCC
V
Input High Current
CS, SCLK, SI, VIN = 0.7 × VCC
1.0
mA
Input Low Current
CS, SCLK, SI, VIN = 0.3 × VCC
1.0
mA
SCLK Frequency
2.0
MHz
SCLK High Time
175
ns
SCLK Low Time
175
ns
SO Rise Time
0.75 V to VCC 1.2 V; CL = 90 pF
100
ns
SO Fall Time
VCC 1.2 V to 0.75 V; CL = 90 pF
100
ns
SO Delay Time
CL = 90 pF
150
ns
SI Setup Time
75
ns
SI Hold Time
75
ns
CS Setup Time
0
ns
CS Hold Time
75
ns
Analog Outputs
Output Function Accuracy
Major Accuracy
Minor Accuracy
±0.75
±1.00
°
Output Shutdown Current,
Source and Sink
VBB = Max
VBB = Min
70
43
mA
Major Coil Drive Output
Voltage
0.748
× VBB
V
Minor Coil Drive Output
Voltage
0.744
× VBB
V
VBB/2
IDR(VBB/2) = ±50 mA
(0.5
× VBB) 0.1
(0.5
× VBB) + 0.1
V
Minimum Load Resistance
TA = 105°C
TA = 25°C
TA = 40°C
229
171
150
W