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SA5778 Datasheet, PDF (4/16 Pages) NXP Semiconductors – Serial triple gauge driver STGD | |||
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Philips Semiconductors
Serial triple gauge driver (STGD)
Product specification
SA5778
DC ELECTRICAL CHARACTERISTICS
VBATT = 8.0 to 16V; Tamb = â40 to +105°C
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ SYMBOL PARAMETER
TEST CONDITION
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VBATT Batterysupplyvoltage
VSWBATT Switched battery supply voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ IBATT Batterysupplycurrent,operating
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ ISWBATT
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ IBATTSB
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VOH1
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VOH2
IOH
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VOL1
Switched battery supply current, operating
Battery supply current, standby
Output high voltage
Output high voltage
Off state output current
Output low voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VOL2 Outputlowvoltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VIH
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VIL
VOVSD
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ IIH
Input high voltage
Input low voltage
Battery overvoltage shutdown voltage
Input high current
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ IIL
Input low current
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ ACC1 Output function accuracy, major gauge
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ ACC2,3 Output function accuracy, minor gauges
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VDRIVE1 Coil drive voltage, major gauge
Normal operating range
Normal operating range
VBATT = VBATTMAX
RL = RLMIN
Normal operating range
VBATT = 12 V
DATAOUT, IOH = 300µA
SwCONTROL, IOH = 10µA
ST, VOH = 5 V
ST, DATAOUT, IOL = 1.5 mA
SwCONTROL,
IOL = 50 mA @ VBATTMAX
IOL = 20 mA @ VBATTMIN
CS, SCLK, DATAIN, GOE, RUN
CS, SCLK, DATAIN, GOE, RUN
VBATT
CS, SCLK, DATAIN, RUN GOE;
VIH = 3.5
CS, SCLK, DATAIN, RUN GOE;
VIL=1.5
RL = RLMIN; major gauge, G1
RL = RLMIN; minor gauges, G2 & G3
MIN
8
7.5
4.0
40
3.5
18
â0.5
â1.0
68
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VDRIVE2,3 Coildrivevoltage,minorgauges
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ RLMIN Minimumcoilloadresistance
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VCOM Minorgaugebiasvoltage
Tamb = 105°C
Tamb = 25°C
Tamb = â40°C
IOB (Source or Sink)
RL = RLMIN
70
226
171
127
0.475 Ã
SwBATT
LIMITS
TYP
71
74
MAX
16
16
0.5
400
60
25
0.4
UNITS
V
V
ma
ma
µA
V
V
µA
V
1.5
V
1.2
V
V
1.5
V
23
V
10
µA
10
µA
+0.5
+1.0
78
80
0.525 Ã
SwBATT
Deg
Deg
%
SwBATT
%
SwBATT
â¦
â¦
â¦
V
AC ELECTRICAL CHARACTERISTICS
VBATT = 7.5 to 16V; Tamb = â40 to +105°C
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ SYMBOL
PARAMETER
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tCYC
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ FSCLK
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tSCLKL
tSCLKH
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tCSH
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tCSL
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tSU
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tHD
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tDR
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tDF
Clock cycle time
Clock frequency
SCLK LOW time
SCLK HIGH time
CS high to SCLK high time
SCLK low to CS low time
DATAIN setup to SCLK high time
SCLK high to DATAIN hold time
DATAOUT rise time
DATAOUT fall time
TEST CONDITION
TCYC
0.8 to 3.6V; CL = 90pF
3.6 to 0.8V; CL = 90pF
LIMITS
UNITS
MIN
TYP
MAX
625
ns
1.60
MHz
175
ns
175
ns
75
ns
75
ns
75
ns
75
ns
75
ns
75
ns
1998 Apr 03
4
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