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參數(shù)資料
| 型號： | TZA1025 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASLC)(應(yīng)用在CD音頻和視頻光學(xué)系統(tǒng)（ADALAS）中的數(shù)據(jù)放大器和激光電源電路) |
| 中文描述： | 數(shù)據(jù)放大器和激光CD音頻和視頻（ADALASLC）（應(yīng)用在光碟音頻和視頻光學(xué)系統(tǒng)（ADALAS）中的數(shù)據(jù)放大器和激光電源電路光學(xué)系統(tǒng)的電源電路） |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 122K |
| 代理商： | TZA1025 |
1998 Oct 30
7
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
CHARACTERISTICS
V
DD
= 2.4 V; V
DD(L)
V
o(LASER)
= 0.55 V; I
i(DIN)
= 0 mA; I
o(LASER)
= 80 mA; V
CMFB
=
1
2
V
DD
; PWRON = HIGH;
CDRW = LOW; C
CFIL
= 10 nF; R
RFFB
= 10 k
; pin RGADJ connected to ground; T
amb
= 25
°
C; unless otherwise
specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
V
DD
V
DDL(L)
I
DD
I
q
supply voltage
laser supply voltage
supply current
quiescent supply
current
2.4
2.4
3
5.5
5.5
40
V
V
mA
μ
A
PWRON = LOW
RF amplifier
I
i(DIN)
central diode input
current
central diode input
impedance
common mode
feedback input voltage
RF amplifier output
DC-level
70
+70
μ
A
Z
i(DIN)
100
V
CMFB
0.7
1
2
V
DD
V
DD
0.4
V
V
O(RFEQO)
CDRW = LOW
CDRW = HIGH
V
CMFB
0.05
V
CMFB
0.35
0.25
V
CMFB
+ 0.25 V
V
CMFB
+ 0.35 V
V
DD
0.25
V
o(RFEQO)
RF amplifier output
voltage
RF amplifier output
impedance
RF flatness delay
RF path gain boost
RF transimpedance
V
Z
o(RFEQO)
note 1
100
t
d(f)(RF)
G
RF
Z
tr(RF)
5
10
ns
dB
f = 720 kHz; note 2
note 3
CDRW = LOW
CDRW = HIGH
note 4
9.2
35.6
9.8
38
50
10.4
40.4
k
k
dB
THD
RF
RF total harmonic
distortion
RF power supply ripple
rejection
in-band noise
(RMS value)
PSRR
RF
0 to 100 kHz
40
dB
V
n(in-band)(rm
s)
note 4
2.7
mV
Laser supply circuit
V
drop
I
o(LASER)(max
)
Z
o(LASER)
drop voltage
maximum laser output
current
laser output impedance V
drop
= 0.55 V; note 7
note 5
V
drop
= 0.55 V; note 6
0.55
80
5.5
V
mA
I
o(LASER)
= 53 mA
I
o(LASER)
= 20 mA
500
1200
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