Cirrus-logic CS5460A User Manual Page 8
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CS5460A
8 DS487F5
3.3 V DIGITAL CHARACTERISTICS
(T
A
=-40°C to +85°C; VA+=5V±10%, VD+=3.3V±10%; VA-, DGND = 0 V) (See Notes 3, 4, and 13)
Notes: 15. All measurements performed under static conditions.
16. If VD+ = 3 V and if XIN input is generated using crystal, then XIN frequency must remain between
2.5 MHz - 5.0 MHz. If using oscillator, full XIN frequency range is available, see Switching
Characteristics.
ABSOLUTE MAXIMUM RATINGS
(DGND = 0 V; See Note 17) WARNING: Operation at or beyond these limits may result in permanent damage to
the device. Normal operation is not guaranteed at these extremes.
Notes: 17. All voltages with respect to ground.
18. VA+ and VA- must satisfy {(VA+) - (VA-)} +6.0 V.
19. VD+ and VA- must satisfy {(VD+) - (VA-)} +6.0 V.
20. Applies to all pins including continuous over-voltage conditions at the analog input (AIN) pins.
21. Transient current of up to 100 mA will not cause SCR latch-up.
22. Maximum DC input current for a power supply pin is ±50 mA.
23. Total power dissipation, including all input currents and output currents.
Parameter Symbol Min Typ Max Unit
High-Level Input Voltage
All Pins Except XIN, XOUT, SCLK, and RESET
XIN
SCLK and RESET
V
IH
0.6 VD+
(VD+) - 0.5
0.8VD+
-
-
-
-
-
-
V
V
V
Low-Level Input Voltage
All Pins Except XIN, XOUT, SCLK, and RESET
XIN
SCLK and RESET
V
IL
-
-
-
-
-
-
0.48
0.3
0.2VD+
V
V
V
High-Level Output Voltage (except XIN, XOUT)I
out
=+5mA V
OH
(VD+) - 1.0 - - V
Low-Level Output Voltage (except XIN, XOUT) I
out
=-5mA V
OL
--0.4V
Input Leakage Current (Note 14) I
in
-±1±10µA
3-State Leakage Current I
OZ
--±10µA
Digital Output Pin Capacitance C
out
-5-pF
Parameter Symbol Min Typ Max Unit
DC Power Supplies (Notes 18 and 19)
Positive Digital
Positive Analog
Negative Analog
VD+
VA+
VA-
-0.3
-0.3
+0.3
-
-
-
+6.0
+6.0
-6.0
V
V
V
Input Current, Any Pin Except Supplies(Note 20, 21, and 22) I
IN
--±10mA
Output Current I
OUT
--±25mA
Power Dissipation (Note 23) P
D --500mW
Analog Input Voltage All Analog Pins V
INA
(VA-) - 0.3 - (VA+) + 0.3 V
Digital Input Voltage All Digital Pins V
IND
DGND - 0.3 - (VD+) + 0.3 V
Ambient Operating Temperature T
A
-40 - 85 °C
Storage Temperature T
stg
-65 - 150 °C
- Features 1
- Description 1
- TABLE OF CONTENTS 2
- LIST OF FIGURES 4
- LIST OF TABLES 4
- ANALOG CHARACTERISTICS 5
- 5V DIGITAL CHARACTERISTICS 7
- 3.3 V DIGITAL CHARACTERISTICS 8
- ABSOLUTE MAXIMUM RATINGS 8
- SWITCHING CHARACTERISTICS 9
- 10 DS487F5 10
- DS487F5 11 11
- 12 DS487F5 12
- 2.2 Performing Measurements 13
- Gain (dB) 14
- Configurations 16
- (just like voltage input) 17
- NOTE: Current channel 17
- 18 DS487F5 18
- DS487F5 19 19
- 20 DS487F5 20
- 3. FUNCTIONAL DESCRIPTION 21
- 3.1 Pulse-Rate Output 21
- Counter Format 22
- 3.2.1 Normal Format 22
- DS487F5 23 23
- Connector to 24
- Calibrator 24
- DS487F5 25 25
- 26 DS487F5 26
- DS487F5 27 27
- ±250 mV on both input 27
- ±50 mV.) 27
- 3.8.3 Calibration Sequence 28
- DS487F5 29 29
- (DC or AC) 30
- 3.9 Phase Compensation 31
- 3.11 Power Offset Register 32
- DS487F5 33 33
- 3.13 Input Filtering 34
- DS487F5 35 35
- 36 DS487F5 36
- DS487F5 37 37
- 3.15 Improving RFI Immunity 38
- 3.16 PCB Layout 38
- 4. SERIAL PORT OVERVIEW 38
- 4.1 Commands (Write Only) 39
- 4.1.1 Start Conversions 39
- 4.1.2 SYNC0 Command 39
- 4.1.3 SYNC1 Command 39
- 4.1.4 Power-Up/Halt 39
- 4.1.5 Power-Down 40
- 4.1.6 Calibration 40
- 4.1.7 Register Read/Write 41
- 4.2 Serial Port Interface 42
- 4.3 Serial Read and Write 42
- 4.3.1 Register Write 42
- 4.3.2 Register Read 42
- 4.4 System Initialization 42
- 4.6 CS5460A Power States 43
- 5. REGISTER DESCRIPTIONS 44
- 5.4 Cycle Count Register 46
- 5.9 Power Offset Register 48
- 5.12 Control Register 50
- 6. PIN DESCRIPTIONS 51
- 24L SSOP PACKAGE DRAWING 53
- 8. ORDERING INFORMATION 54
- 10. REVISION HISTORY 54
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