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參數(shù)資料
| 型號： | HIP9022 |
| 廠商： | Intersil Corporation |
| 英文描述： | Dual High Speed Laser Driver |
| 中文描述： | 雙高速激光驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 98K |
| 代理商： | HIP9022 |
4-7
Address, Timing and Waveforms
FIGURE 2. ADDRESS WITH SAMPLE, NULL, V
IN
AND DIAGONAL WAVEFORMS
TABLE 1. HIP9022 ADDRESS MAP
A3
A2
A1
A0
ADDRESS
NO.
FUNCTION
TYPE
FUNCTION NAME
0
0
0
0
1
ANALOG
V
IN(DL)
Voltage for Constant Current Level, Laser Driver #1
0
0
0
1
2
ANALOG
V
IN(DL)
Voltage for Constant Current Level, Laser Driver #2
0
0
1
0
3
ANALOG
V
LOWER
Level, Laser Driver #1
0
0
1
1
4
ANALOG
V
LOWER
Level, Laser Driver #2
0
1
0
0
5
ANALOG
V
UPPER
Level, Laser Driver #1
0
1
0
1
6
ANALOG
V
UPPER
Level, Laser Driver #2
0
1
1
0
7
ANALOG
V
IN(DL)
Thermal Compensation Level, Laser Driver #1
0
1
1
1
8
ANALOG
V
IN(DL)
Thermal Compensation Level, Laser Driver #2
1
0
0
0
9
DIGITAL
Test Mode: S/H Amp, Auto Zero Null Voltage (Note 4)
1
0
0
1
10
DIGITAL
Test Mode: S/H Amp Output Voltage (Note 4)
1
0
1
0
11
DIGITAL
Test Mode: Set VUP and V
LOW
Amps to Three-State (Note 4)
1
0
1
1
12
DIGITAL
VLOW#1 Set to Positive Output (Default is Negative)
1
1
0
0
13
DIGITAL
VLOW#2 Set to Positive Output (Default is Negative)
1
1
0
1
14
DIGITAL
Thermal Compensation Activated (Default is Deactivated)
1
1
1
0
15
DIGITAL
Reset Digital Address (9-14) to Default State
1
1
1
1
16
DIGITAL
Idle Condition (S/H Pin Defeated) (Note 3)
NOTES:
3. The Idle address is protective in that SB_H input noise cannot disturb the chip if the Idle address is selected; also, the Address inputs are High
(selecting Idle state) if the pins are open.
4. Address Numbers 9 - 11 are shaded to indicate test mode conditions and are shown for information only. These addresses are used in original
production testing and not required for user applications. However, note that Address No. 15 will force a reset for Address Numbers 9 - 14.
5. Digital Programming: To set the digital addresses, only the proper digital address and a negative pulse >100ns on SB_H is needed. To reset the
digital addresses to the default states, Address 15 and a SB_H pulse >100ns is needed. Normally the digital addresses will be set first, and the
analog addresses programmed next. The test modes, Address Numbers 9 - 11, will normally only be used during factory testing. An address
15 Reset should normally precede most programming in order to assure that the digital address states begin in their default state. Otherwise,
the digital address states will be undefined because there is no power-up-reset.
6. Analog Programming: To program the eight S/H circuits, addresses of 0-5V analog signal on V
IN
and negative pulses on NullB (10
μ
s) and SB_H
(20
μ
s) pins are needed. The NullB pulse is valid only during the SB_H pulse and should occur during the first half of the SB_H pulse. The S/H
amplifier is auto-zeroed for zero offset when both NullB and SB_H are low. The input V
IN
is captured on the S/H storage capacitor during SB_H low.
7. The Diagnostic mode reads map addresses 1 - 8 via the DIAG output when DIAGINB is low.
#11 to 14
#15
#1 to 8
#1 to 8
#1 to 8
#1 to 8
ADDRESS NUMBERS
DIGITAL
CONTROL
S/H
INT. TEST
#9 or 10
TEST NULL OR S/H
(NULL OR S/H)
(RESET)
SAMPLE
NULLB
INPUT
V
IN
DIAGNOSTIC
(DIAGINB INPUT)
(SH_B INPUT)
INPUT
HIP9022
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