CS289 Datasheet, PDF (2/6 Pages) Cherry Semiconductor Corporation – 20mA Air-Core Tachometer Drive Circuit

Electrical Characteristics: (V_CC = 13.1V, -30¡C ² T_A² 85¡C)
PARAMETER
TEST CONDITIONS
MIN
TYP
Supply Current (Note 2)
V_CC = 15.0V
54
V_CC = 13.1V
60
V_CC = 11.3V
60
Regulated Voltage
I_REG = 4.3mA
7.7
8.5
Regulation
I_REG = 0 to 5mA
0.10
Signal Input Current
T = 25¡C
0.1
2.0
Saturation Voltage
I_SQ OUT = 5mA, I_SQ IN = 500µA
0.20
Leakage Current
I_SQ OUT = 16V, V_SQ IN = 0V
Input Current
C_P+ = 0, T = 25¡C
1
F to V Output
V_SQIN = 0 (zero input), Æ = 0¡
1.8
2.1
V_COS = 0 (Note 1), Æ = 270¡
6.3
7.1
Linearity
E_O vs. Frequency
V_COS = 0 (Note 1), Æ = 270¡, T = 25¡C -1.5
V_sine at Æ = 0¡
V_SQ IN = 0 (zero input), Æ = 0¡
-0.55
0.00
MAX V_sine+
V_COS = 0 (Note 1), Æ=90¡
3.8
4.5
MAX V_sine-
V_COS = 0 (Note 1), Æ = 270¡
-3.8
-4.5
Coil Drive Current
V_COS = 0 (Note 1), Æ = 90¡, T = 25¡C
20
V_COS = 0 (Note 1), Æ = 270¡
20
MAX V_COS+
V_SQ IN = 0 (zero input), Æ = 0¡
3.8
4.5
MAX V_COS-
V_sine = 0 (Note 1), Æ = 180¡
-3.8
-4.5
Coil Drive Current
V_SQ IN = 0 (zero input), Æ = 0¡
20
V_sine = 0 (Note 1), Æ = 180¡
20
External Voltage Ref.
4.98
5.40
Note 1: V_sine measured V_sine to V_Z. V_COS measured V_COS to V_Z. All other voltages specified are measured to ground.
Note 2: Max PWR dissipation ²V_CC X I_CC - (V₂ I_sine + V12 I_COS).
MAX
65
65
9.3
0.20
4.0
0.55
10
15
2.4
7.9
1.5
0.55
5.8
-5.8
25
25
5.8
-5.8
25
25
5.85
UNIT
mA
mA
mA
V
V
mA
V
µA
nA
V
%
V
V
V
mA
mA
V
V
mA
mA
V
PACKAGE PIN #
20L SO
(internally fused leads) 14L PDIP
1
1
2
2
3
4
4, 5, 6, 7,
7
14, 15, 16, 17
8
5
9
6
10
3
11
8
Package Pin Description
PIN SYMBOL
FUNCTION
V_Z
V_sine
V_BIAS
Gnd
C_PÐ
C_P+
NC
F/V_OUT
External Zener reference.
Sine output signal.
Test pin or "0" calibration pin.
Analog Ground connection.
Negative input to charge pump.
Positive input to charge pump.
No Connection
Output voltage proportional to input signal frequency.
2