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参数资料
| 型号： | TZA1024T |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 消费家电 |
| 英文描述： | Data amplifier and laser supply circuit for CD audio and video optical systems ADALAS |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| 文件页数： | 19/20页 |
| 文件大小： | 108K |
| 代理商： | TZA1024T |
1998 Oct 30
8
Philips Semiconductors
Product specication
Data amplier and laser supply circuit for CD
audio and video optical systems (ADALAS)
TZA1024
CHARACTERISTICS
VDD = 2.4 V; VDD(L) Vo(LASER) = 0.55 V; Ii(DIN) = 0 mA; Io(LASER) = 80 mA; VCMFB = 12VDD; PWRON = HIGH;
CDRW = LOW; EQSEL = open-circuit; CCFIL = 10 nF; RRFFB =10k; pin RGADJ connected to ground; Tamb =25 °C;
unless otherwise specied.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
VDD
supply voltage
2.4
5.5
V
VDDL(L)
laser supply voltage
2.4
5.5
V
IDD
supply current
3
mA
Iq
quiescent supply
current
PWRON = LOW
40
A
RF amplier
Ii(DIN)
central diode input
current
70
+70
A
Zi(DIN)
central diode input
impedance
100
VCMFB
common mode
feedback input voltage
0.7
1
2VDD
VDD 0.4
V
VO(RFEQO)
RF amplier output
DC-level
CDRW = LOW
VCMFB 0.05
VCMFB + 0.25 V
CDRW = HIGH
VCMFB 0.35
VCMFB + 0.35 V
Vo(RFEQO)
RF amplier output
voltage
0.25
VDD 0.25
V
Zo(RFEQO)
RF amplier output
impedance
note 1
100
td(f)(RF)
RF atness delay
CDRW = LOW or HIGH
f < 1 MHz; n = 1;
EQSEL = LOW
10
ns
f < 2 MHz; n = 2;
EQSEL = HIGH
5ns
f < 4 MHz; n = 4;
EQSEL = open-circuit
2.5
ns
GRF
RF path gain boost
CDRW = LOW or HIGH;
notes 2 and 3
f = 720 kHz; n = 1;
EQSEL = LOW
5
dB
f = 1440 kHz; n = 2;
EQSEL = HIGH
5
dB
f = 2880 kHz; n = 4;
EQSEL = open-circuit
0
dB
Ztr(RF)
RF transimpedance
note 4
CDRW = LOW
9.2
9.8
10.4
k
CDRW = HIGH
35.6
38
40.4
k
THDRF
RF total harmonic
distortion
note 3
50
dB
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