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參數(shù)資料
| 型號(hào)： | LC749880T |
| 元件分類(lèi)： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP120 |
| 封裝： | 14 X 14 MM, TQFP-120 |
| 文件頁(yè)數(shù)： | 5/17頁(yè) |
| 文件大小： | 112K |
| 代理商： | LC749880T |
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LC749880T
No.A1186-13/17
A/D Convertor Characteristics at Ta = -30 to +70
°C, DVSS = 0V, AVSS = 0V
Parameter
Symbol/pin
min
typ
max
Unit
Clock frequency
Fclk
27
MHz
Clamp pulse width
Tcl
0.45
μs
External capacitance
Analog input coupling capacitance
Analog video pin
0.01
10
μF
Top level reference fixed capacitance
VRTx pin
0.01
μF
Bottom level reference capacitance
VRBx pin
0.01
μF
VREF1 bias fixed capacitance
VREF1 pin
0.01
μF
NBIAS bias fixed capacitance
NBIAS pin
0.01
μF
Analog input frequency
FAIN
4MHz
Analog input amplitude (Max amplitude)
In the non-AGC operation mode
FS1AIN
1.0
Vp-p
In the AGC operation mode *1
FS2AIN
0.6
1.1
Vp-p
ADC reference input voltage
In the non-AGC operation mode
Bottom level reference input
VRBI
0.65
V
In the AGC operation mode
Bottom level reference input
VRBI
0.65
V
DC Characteristics at Ta=25
°C, VDD3=3.3V±5%,VDD=1.8V±5%, DVSS = 0V, AVSS = 0V
Parameter
Symbol
Conditions
min
typ
max
Unit
Operating supply current
3.3V power supply
IDD3
VDD3=3.3V
16
mA
1.8V power supply
IDD
VDD=1.8V
Fclk=27MHz
16
mA
Standby supply current
3.3V power supply
ISB3
VDD3=3.3V
-10
+10
μA
1.8V power supply
ISB
VDD=1.8V
Fclk=0MHz
-10
+10
μA
ADC Conversion Characteristics at Ta=25
°C,VDD3=3.3V±5%,VDD=1.8V±5%, DVSS = 0V, AVSS = 0V
Parameter
Symbol
Conditions
min
typ
max
Unit
Resolution
RES
10
bits
I/O Data Timing
(1) Input data timing 1
Pin name
Parameter
Symbol
min
max
Unit
Clock L-level time
tLO
18.5
ns
Clock H-level time
tHI
18.5
ns
XIN
Clock cycle
tCK
37
ns
Input data setup time
tSU
3.5
ns
VP24-34
POL, FLM, OE, CPV, STRB
SP, DEXR
RIN, GIN, BIN, BLKIN
Input data hold time
tHD
3.5
ns
* The recommended duty ratio of input clock is 50%
tHI
tLO
tCK
tSU
tHD
XIN
Input data
VDD33/2
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