QT1080 Ver la hoja de datos (PDF) - Quantum Research Group
Número de pieza
componentes Descripción
Fabricante
QT1080 Datasheet PDF : 14 Pages
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Figure 1.1 Connection Diagram - Full Options; Shown for 32-QFN Package
Vunreg
*4.7uF
+2.8 ~ +5V
Voltage Reg
*4.7uF
VDD
*100nF
*Note: One bypass cap to be tightly wired
between Vdd and Vss. Follow manufacturer’s
recommendations for input and output capacitors.
KEY 3
KEY 4
KEY 5
KEY 6
KEY 7
RSNS3 4.7nF
10K
RSNS4 4.7nF
10K
RSNS5 4.7nF
10K
RSNS6 4.7nF
10K
RSNS7 4.7nF
10K
2.2K
MOD_1
CS3 RS3 Vdd / Vss
2.2K
POL
CS4 RS4 Vdd / Vss
2.2K
OUT_D
CS5 RS5 Vdd / Vss
2.2K
CS6
RS6
SL_0
Vdd / Vss
2.2K
CS7 RS7
SL_1
Vdd / Vss
3
2
VDD /RST
12 SNS3
SNS2K 11
1M 13 SNS3K
SNS2 10
14 SNS4
1M 15 SNS4K
SNS1K 9
SNS1 8
16 SNS5
SNS0K 7
1M 17 SNS5K
SNS0 6
18 SNS6
1M 19 SNS6K
20 SNS7
1M 21 SNS7K
OSC 4
QT1080
32-QFN
1M
MOD_0
Vdd / Vss
1M
AKS_1
Vdd / Vss
1M
AKS_0
Vdd / Vss
VDD
RS2
2.2K
RS1
2.2K
RS0
2.2K
4.7nF
RSNS2
CS2
4.7nF
10K
RSNS1
CS1
4.7nF
10K
RSNS0
CS0
10K
KEY 2
KEY 1
KEY 0
Rb1
Recommended Rb1, Rb2 Values
Vdd Range Rb1 Rb2
2.8 ~ 3.59V 12K 22K
Rb2
3.6 ~ 5V 15K 27K
SYNC or LP IN
DETECT OUT
22
VSS
23
SYNC/LP
24 DETECT
SS 1
OUT_7 32
OUT_6 31
OUT_5 30
OUT_4 29
OUT_3 28
OUT_2 27
OUT_1 26
OUT_0 25
100nF
OUT_7
OUT_6
OUT_5
OUT_4
OUT_3
OUT_2
OUT_1
OUT_0
Table 1.2
AKS / Fast-Detect Options
Table 1.3
Max On-Duration
Table 1.4
Polarity & Output
Table 1.5
SYNC/LP Function
AKS_1
Vss
Vss
Vdd
Vdd
MOD_1
Vss
Vss
Vdd
Vdd
OUT_D
Vss
Vss
Vdd
Vdd
SL_1
Vss
Vss
Vdd
Vdd
AKS_0
Vss
Vdd
Vss
Vdd
AKS MODE
Off
Off
On, in 2 groups
On, global
FAST-DETECT
Off
Enabled
Off
Off
MOD_0
Vss
Vdd
Vss
Vdd
MAX ON-DURATION MODE
10 seconds (nom) to recalibrate
60 seconds (nom) to recalibrate
Infinite (disabled)
(reserved)
POL
Vss
Vdd
Vss
Vdd
OUT_n, DETECT PIN MODE
Binary coded, active high, push-pull
Direct, active low, open-drain
Direct, active high, push-pull
Direct, active low, push-pull
SL_0
Vss
Vdd
Vss
Vdd
SYNC/LP PIN MODE
Sync
LP mode: 110ms nom response time
LP mode: 200ms nom response time
LP mode: 360ms nom response time
lQ
4
QT1080 R11.03/0905
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