1-3
IC
VGN-
S36C/S36GP/S36LP/S36SP/S36TP/S38CP/
S52B/
S62PS/S62PSY/S62S/
S350F/S350FP/
S360/S360P/
S370F
(J/AM
/AO
)
Confidential
ADM1032ARM-REEL (ADI)
SYSTEM TEMPERATURE MONITOR
TOP VIEW
(Not to Scale)
8
7
6
5
1
2
3
4
D+
SCLK
D–
THERM
ADM1032
V
DD
GND
ALERT
SDATA
PIN FUNCTION DESCRIPTIONS
Pin
No.
Mnemonic
Description
1
V
DD
Positive Supply, 3 V to 5.5 V.
2
D+
Positive Connection to Remote Temperature Sensor.
3
D–
Negative Connection to Remote Temperature Sensor.
4
THERM
THERM
is an open-drain output that can be used to turn a fan on/off or throttle a CPU clock in the event of
an overtemperature condition. Requires pull-up to V
DD
.
5
GND
Supply Ground Connection.
6
ALERT
Open-Drain Logic Output Used as Interrupt or SMBus Alert.
7
SDATA
Logic Input/Output, SMBus Serial Data. Open-drain output. Requires pull-up resistor.
8
SCLK
Logic Input, SMBus Serial Clock. Requires pull-up resistor.
ADM1032–SPECIFICATIONS
(T
A
= T
MIN
to T
MAX
, V
DD
= V
MIN
to V
MAX
, unless otherwise noted.)
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
POWER SUPPLY
Supply Voltage, V
DD
3.0
3.30
5.5
V
Average Operating Supply Current, I
CC
170
215
µA
0.0625 Conversions/Sec Rate
1
5.5
10
µA
Standby Mode
Undervoltage Lockout Threshold
2.35
2.55
2.8
V
V
DD
Input, Disables ADC, Rising Edge
Power-On Reset Threshold
1
2.4
V
TEMPERATURE-TO-DIGITAL CONVERTER
Local Sensor Accuracy
±1
±3
°C
0
≤
T
A
≤
100°C, V
CC
= 3 V to 3.6 V
Resolution
1
°C
Remote Diode Sensor Accuracy
±1
°C
60°C
≤
T
D
≤
100°C, V
CC
= 3 V to 3.6 V
±3
°C
0°C
≤
T
D
≤
120°C
Resolution
0.125
°C
Remote Sensor Source Current
230
µA
High Level
2
13
µA
Low Level
2
Conversion Time
35.7
142.8
ms
From Stop Bit to Conversion Complete
(Both Channels) One-Shot Mode with
Averaging Switched On
5.7
22.8
ms
One-Shot Mode with Averaging Off
(i.e., Conversion Rate = 32 or 64
Conversions per Second)
OPEN-DRAIN DIGITAL OUTPUTS
(
THERM
,
ALERT
)
Output Low Voltage, V
OL
0.4
V
I
OUT
= –6.0 mA
2
High Level Output Leakage Current, I
OH
0.1
1
µA
V
OUT
= V
DD
2
SERIAL BUS TIMING
2
Logic Input High Voltage, V
IH
2.1
V
V
DD
= 3 V to 5.5 V
SCLK, SDATA
Logic Input Low Voltage, V
IL
0.8
V
V
DD
= 3 V to 5.5 V
Hysteresis
500
mV
SCLK, SDATA
SDATA Output Low Sink Current
6
mA
SDATA Forced to 0.6 V
ALERT
Output Low Sink Current
1
mA
ALERT
Forced to 0.4 V
Logic Input Current, I
IH
, I
IL
–1
+1
µA
Input Capacitance, SCLK, SDATA
5
pF
Clock Frequency
400
kHz
SMBus Timeout
25
64
ms
Note 3
SCLK Clock Low Time, t
LOW
1.3
µs
t
LOW
between 10% Points
SCLK Clock High Time, t
HIGH
0.6
µs
t
HIGH
between 90% Points
Start Condition Setup Time, t
SU:STA
600
ns
Start Condition Hold Time, t
HD:STA
600
ns
Time from 10% of SDATA to 90%
of SCLK
Stop Condition Setup Time, t
SU:STO
600
ns
Time from 90% of SCLK to 10%
of SDATA
Data Valid to SCLK Rising Edge
100
ns
Time for 10% or 90% of SDATA to
Time, t
SU:DAT
10% of SCLK
Data Hold Time, t
HD:DAT
300
ns
Bus Free Time, t
BUF
1.3
µs
Between Start/Stop Condition
SCLK, SDATA Rise Time, t
R
300
ns
SCLK, SDATA Fall Time, t
F
300
ns
NOTES
1
See Table VI for information on other conversion rates.
2
Guaranteed by design, not production tested.
3
The SMBus timeout is a programmable feature. By default, it is not enabled. Details on how to enable it are available in the Serial Bus Interface section of this data sheet.
Specifications subject to change without notice.
FUNCTIONAL BLOCK DIAGRAM
ON-CHIP
TEMPERATURE
SENSOR
A/D
CONVERTER
BUSY
RUN/STANDBY
EXTERNAL DIODE OPEN-CIRCUIT
ADDRESS POINTER
REGISTER
CONVERSION RATE
REGISTER
REMOTE TEMPERATURE
HIGH LIMIT REGISTER
CONFIGURATION
REGISTER
INTERRUPT
MASKING
LIMIT
COMPARATOR
REMOTE TEMPERATURE
VALUE REGISTER
LOCAL TEMPERATURE
VALUE REGISTER
V
DD
GND
SDATA
SCLK
THERM
ALERT
D+
D–
REMOTE TEMPERATURE
LOW LIMIT REGISTER
LOCAL TEMPERATURE
HIGH LIMIT REGISTER
LOCAL TEMPERATURE
LOW LIMIT REGISTER
ANALOG
MUX
ADM1032
LOCAL
THERM
LIMIT
REGISTER
EXTERNAL
THERM
LIMIT
REGISTER
DIGITAL MUX
DIGITAL MUX
STATUS REGISTER
SMBUS INTERFACE
REMOTE OFFSET
REGISTER
AN12944A-VB (PANASONIC)
2ch SPEAKER AMPLIFIER
BLOCK DIAGRAM
PIN FUNCTION DESCRIPTION
Pin No.
Pin Function
Pin No.
Pin Function
Pin name
Function
Pin name
Function
1
MUTE L
Activist the Low Mute
25
FILT3 L
Filter terminal 3
2
MUTE H
Activist the High Mute
26
FILT2 L
Filter terminal 2
3
BIAS30
3V Bias Output
27
FILT1 L
Filter terminal 1
4
EVR_VTL
EVR Control Pin
28
EVROUT_L EVR Lch Output
5
SPIN R
SP Amp Rch Input
29
AMP I L
The amplifier input for the gain adjustment
6
AMPO R
The amplifier output for the gain adjustment
30
GND
GND
7
GND
GND
31
AMPO L
The amplifier output for the gain adjustment
8
AMP I R
The amplifier input for the gain adjustment
32
SPIN_L
SP Amp Lch Input
9
EVROUT_R EVR Rch Output
33
DET C
AGC demodulation Pin
10
FILT1 R
Filter terminal 1
34
AGC MOD
AGC-ON Level Control
11
FILT2 R
Filter terminal 2
35
BIAS45
4.5V Bias Output
12
FILT3 R
Filter terminal 3
36
VREF SP
The VREG C terminal
13
FILT SW
Filter ON/OFF Control
37
GNDSP L
GND SP Lch
14
STB SW
Standby ON/OFF Control
38
OUT_LN2
SP Amp Lch Output (-)
15
AUDIN L
Rch Input
39
OUT LN1
SP Amp Lch Output (-)
16
TC
The timing condenser for Precharge
40
OUT_LP2
SP Amp Lch Output (+)
17
GND
GND
41
OUT LP1
SP Amp Lch Output (+)
18
VREG C
The VREG C terminal
42
VCCSP L
VCC SP Lch
19
VCC
VCC
43
VCCSP R
VCC SP Rch
20
BEEP IN
Beep Signal Input
44
OUT RP1
SP Amp Rch Output (+)
21
VREF C
The VREF C terminal
45
OUT_RP2
SP Amp Rch Output (+)
22
AUDIN_L
Lch Input
46
OUT RN1
SP Amp Rch Output (-)
23
BEEP ADJ Beep signal level adjustment terminal
47
OUT RN2
SP Amp Rch Output (-)
24
AGC SW
AGC ON/OFF Control
48
GNDSP R
GND SP Rch