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参数资料
| 型号： | MAX3946ETG+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/29页 |
| 文件大小： | 0K |
| 描述： | IC LASER DVR SFP 11.3GBPS 24TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 75 |
| 类型： | 激光二极管驱动器 |
| 数据速率： | 11.3Gbps |
| 通道数： | 1 |
| 电源电压： | 2.85 V ~ 3.63 V |
| 电流 - 电源： | 68mA |
| 电流 - 调制： | 80mA |
| 电流 - 偏置： | 80mA |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 托盘 |
| 安装类型： | 表面贴装 |
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1Gbps to 11.3Gbps, SFP+ Laser Driver
with Laser Impedance Mismatch Tolerance
ELECTRICAL CHARACTERISTICS (continued)
(V CC = +2.85V to +3.63V, T A = -40°C to +85°C, and Figure 1. Guaranteed by design and characterization from T A = -40°C to +95°C.
Typical values are at V CC = +3.3V, I BIAS = 60mA, I MOD = 40mA, 25 I differential output load, and T A = +25°C, unless otherwise
noted.) (Note 2)
PARAMETER
Minimum Bias Current
SYMBOL
I BIASMIN
CONDITIONS
Current into BIAS pin, DISABLE = low, and
TX_EN = high
MIN
T Y P
MAX
5
UNITS
mA
Current into BIAS pin, DISABLE = high or
Bias-Off Current
I BIAS-OFF
TX_EN = low or SET_IBIAS[8:0] = H0x00;
100
F A
BIAS pin voltage at V CC
Bias Current DAC Stability
5mA P I BIAS P 80mA, V BIAS = V CC - 1.5V
(Notes 2, 4)
1
3
%
Instantaneous Compliance
Voltage at BIAS
V BIAS
0.9
1.5
2.1
V
BMON Current Gain
G BMON
G BMON = I BMON /I BIAS , external resistor to
ground defines voltage
9
10
11
mA/A
Compliance Voltage at BMON
0
1.8
V
BMON Current Gain Stability
5mA P I BIAS P 80mA (Notes 2, 4)
1.2
4
%
LASER MODULATOR
TOUT+ and TOUT-
Instantaneous Output
Compliance Voltage
V CC -
1.0
V CC +
1.0
V
Current into external 25 I differential termi-
nation, output common-mode
80
Maximum Modulation Current
I MODMAX
voltage = V CC
Current into external 50 I differential termi-
nation, output common-mode
60
mA P-P
voltage = V CC
Minimum Modulation Current
Differential Output Resistance
I MODMIN
2 x R OUT
50
10
mA P-P
I
Current between TOUT+ and TOUT- when
Modulation-Off Maximum Current
I MOD-OFF
DISABLE = high or TX_EN = low or
100
F A
SET_IMOD[8:0] = H0x00
Modulation Current DAC Stability
10mA P I MOD P 80mA (Notes 2, 4)
1.5
3
%
Modulation Current Edge Speed
(Note 2)
t R, t F
20% to 80%, 20mA P I MOD P 80mA
20% to 80%, 10mA P I MOD P 80mA,
TXDE_MD[1:0] = 3d
22
22
30
30
ps
10mA P I MOD P 60mA, 11.3Gbps, output
differential load = 50 I
5
12
Deterministic Jitter (Notes 2, 5)
DJ
10mA P I MOD P 80mA, 11.3Gbps, output
differential load = 25 I
10mA P I MOD P 80mA, 11.3Gbps, output
differential load = 5 I
5
7
12
ps P-P
10mA P I MOD P 60mA, 10.7Gbps, output
differential load = 50 I (K28.5 pattern)
5
10.5
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| MAX3948ETE+ | 制造商:Maxim Integrated Products 功能描述:10G QSFP+ LDD - Rail/Tube |
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