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參數資料
| 型號： | AT78C1505 |
| 廠商： | Atmel Corp. |
| 英文描述： | DVD/CD Read Preamplifier(DVD/CD可讀前置放大器) |
| 中文描述： | DVD / CD光碟讀取放大器（DVD / CD光碟可讀前置放大器） |
| 文件頁數： | 7/12頁 |
| 文件大?。?/td> | 65K |
| 代理商： | AT78C1505 |
AT78C1505
7
Electrical Characteristics
Operating Conditions: V
DD
= 3.0V to 3.6V and T
A
= 0 to 70
°
C.
Supply Specifications
Parameter
Sym
Conditions
Min
Typ
Max
Units
Supply Voltage
V
DD
3.0
3.3
3.6
V
Supply Current
I
DD
30
mA
Sleep Mode Current
I
DDS
100
μ
A
Digital Input/Output (CMOS Compatible)
Parameter
Sym
Conditions
Min
Typ
Max
Units
High-level Input Voltage
V
IH
V
DD
- 0.5
V
Low-level Input Voltage
V
IL
0.5
V
High/Low-level Input Current
10
μ
A
High-level Output Voltage
V
OH
I
OH
= 0.5mA
V
DD
- 0.2
V
Low-level Output Voltage
V
OL
I
OL
= 0.5mA
0.4
ABCD High-Speed Transconductance Amplifier
Parameter
Sym
Conditions
Min
Typ
Max
Units
Transimpedance Gain
K1
Single ended current input:
differential voltage output per
channel
4.15K
programmable
K
Programmable Gain Control
(PGC)
G1
0.5, 0.7, 1 and 2 V/V
Programmable
-10%
+10%
Input Current Dynamic Range
IDR
Input current per channel
2% linearity
4.15K
TZ
1V/V PGC
30
μ
A
Output Voltage Dynamic Range
VDR
ABCD summation, RF output,
peak to peak differential voltage
600
mVppd
Bandwidth
TZBW
-3 dB
70
MHz
Input DC Bias Voltage
VIDC
Zero input current
600
800
1200
mV
Output Bias Voltage
VODC
Any high-speed channel
VDD-1.75
V
Output Offset Voltage
VOFF
Any high-speed channel
-150
150
mV
DAC Output Offset Step
RF Channel Output
VDACO
LSB of six bit DAC
1.26
mV
Input Resistance
Rin
10 MHz measurement
200
Input Capacitance
Cin
10 MHz measurement
4
pF
Input Current Noise
INO
20 MHz BW measurement
6
pA/rtHz
Channel to Channel Rejection
Ratio
CCRR
25
dB
Power Supply Rejection Ratio
PSRR
Vsupply = 250mV @10 MHz
25
dB
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