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SA5775AD Datasheet(PDF) 5 Page - NXP Semiconductors

Part # SA5775AD
Description  Differential air core meter driver
PDF  10 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

SA5775AD Datasheet(HTML) 5 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
SA5775A
Differential air-core meter driver
1999 Sep 20
5
DC ELECTRICAL CHARACTERISTICS
VIGN = 7.5 to 18 V; VCC = 4.5 to 5.5 V; TA = –40 to +85°C.
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIGN
Ignition supply voltage
7.5
18
V
IIGN
Ignition supply current
VIGN = 18 V no load
VBB = 18 V with load
RLC, RLS = RLMIN1,2
25
160
mA
ICC
Logic supply current
VCC = 5.5 V
1
mA
VOH
Output high voltage
Data out IOH = 300 µA
VCC – 0.8
VOL
Output low voltage
Data out IOL = 1.5 mA
0.4
V
VOL Status
IOL = 2.8 mA
0.8
V
IOH Status
ST, VCC = 5 V
25
µA
VIH
Input high voltage
CS, SCLK, DATAIN
0.7 x VCC
V
VIL
Input low voltage
CS, SCLK, DATAIN
0.3 x VCC
V
IIH
Input high current
CS, SCLK, DATAIN, VIN = 0.7 x VCC
10
µA
IIL
Input low current
CS, SCLK, DATAIN, VIN = 0.3 x VCC
10
µA
ACC
Output function accuracy3
RLC, RLS = RLMIN
–0.5
0.5
Degree
ISD
Output shut-down current
COS+, COS–, SIN+, SIN–
ISINK
VIGN = VIGN (MAX)
VIGN = VIGN (MIN)
ISOURCE VIGN = VIGN (MAX)
VIGN = VIGN (MIN)
97
43
85
43
500
300
500
300
mA
mA
mA
mA
VDRIVE
Coil drive voltage
VIGN = VIGN (MAX)
VIGN = VIGN (MIN)
68
78
%VIGN
RLMIN
Minimum load resistance
TA = 85°C
TA = 25°C
TA = –40°C
215
171
138
NOTE:
1. See Test Circuit.
2. Maximum current is when output is 45 degrees; TA = –40°C, and RL = 138 Ω.
3. See Table “Output function accuracy”
Table 3.
Output function accuracy
Ideal
Nominal
Input Code
0
0.176
0
45
45.176
128
90
90.176
256
135
135.176
384
180
180.176
512
225
225.176
640
270
270.176
768
360
359.820
1023
N = Binary Input Code
Equation for Output Angle (
θ) vs Output Voltage
Quadrant
Equation
I
θ = tan–1 | [(SIN+) – (SIN–)] / [(COS+) – (COS–)] |
II
θ = 180° +tan–1 | [(SIN+) – (SIN–)] / [(COS+) – (COS–)] |
III
θ = 180° +tan–1 | [(SIN+) – (SIN–)] / [(COS+) – (COS–)] |
IV
θ = 360° +tan–1 | [(SIN+) – (SIN–)] / [(COS+) – (COS–)] |



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