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參數(shù)資料
| 型號(hào)： | HIP9022AM |
| 廠(chǎng)商： | INTERSIL CORP |
| 元件分類(lèi)： | 其它接口 |
| 英文描述： | Dual High Speed Laser Driver |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, PQCC68 |
| 封裝： | PLASTIC, MS-018AE, LCC-68 |
| 文件頁(yè)數(shù)： | 4/10頁(yè) |
| 文件大小： | 98K |
| 代理商： | HIP9022AM |
4-4
38
A2
Refer to the Table 1 Address Map. The A3 - A0 pins have an internal pull-up.
39
A1
Refer to the Table 1 Address Map. The A3 - A0 pins have an internal pull-up.
40
A0
Refer to the Table 1 Address Map. The A3 - A0 pins have an internal pull-up.
41
DIAG
Diagnostic output, A 0V - 5V analog signal output limits internally to a range of -0.3V to 5.3V. The output is
the channel addressed by A0 - A3.
42
NC
No connection.
43
TECREFER
External resistor to ground with a resistor value equal to the value of the thermo-resistor at the desired laser
temperature. (Typically in the 5k
to 10k
range)
44
OT2
Laser out of temperature range indication.
45
TRES2
Thermo-Resistor output to ground connection for TEC control.
46
TECGDR2
Thermo-Electric Cooler Power FET gate drive.
47
TECREF2
Feedback to stabilize the TEC loop.
48
TECFB2
Feedback to stabilize the TEC loop.
49
OC2
Laser over-current indicator flag.
50
LASERON2B
Input control turns shunt Power FET gate drive ON/OFF with 5V CMOS logic. Low turns the shunt Power
FET OFF and the Laser ON. These pins have an internal pull-up.
51
CTC2-27K
Thermal compensation long time constant where T
TC
= External C x 27k
. (External C typically equal
0.1
μ
F).
52
CTC2-10K
Thermal compensation short time constant where T
TC
= External C x 10k
. (External C typically equal
0.02
μ
F).
53
XTEN2-
Times 10 constant current monitor amplifier input from the low side of the sense resistor.
54
XTEN2+
Times 10 constant current monitor amplifier input from the high side of the sense resistor.
55
CC2
Gate drive to the current source Power FET.
56
GNDD2
Digital Ground.
57
GNDA2
Analog Ground.
58
VLOW2
Filter capacitor for internally generated shunt Power FET gate lower drive voltage level (1
μ
F).
59
SG_2
Drive output to shunt Power FET gate.
60
VUP2
Filter capacitor for internally generated shunt gate upper voltage level (1
μ
F).
61
V9P
Filter capacitor bypass for internally generated 9V power source (1
μ
F).
62
RLY_OUT
Relay output drive from an N-channel FET controls an external relay to switch the Laser power supply or
power supply interlock ON/OFF for both Laser Drivers.
63
RLY_IN
Relay input control with 5V CMOS logic. A high switches on the relay. This pin has an internal pulldown.
64, 65
ESD LASER PS-2
Laser power supply ESD protection.
66, 67, 68
ESD SHUNT DRAIN-2 Laser diode ESD protection.
Pin Descriptions
(Continued)
PIN
NUMBER
SYMBOL
DESCRIPTION
HIP9022
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