HD3SS460 是一款高速双向无源开关,可采用复用或解复用两种配置。该器件可通过负载点 (POL) 控制引脚进行切换,从而适应连接器换向。该器件还可通过 AMSEL 控制引脚来实现双通道数据/双通道视频与所有四通道视频的复用。
该器件还针对低速引脚提供了交叉点 MUX,可满足可换向连接器实现的需求。
HD3SS460 是一款通用模拟差分无源开关,适用于所有高速接口 应用, 前提条件是该应用在 0V 至 2V 共模电压范围内发生偏置并且具有幅值高达 1800 mVpp 的差分信令。该器件采用自适应跟踪,可确保信道在整个共模电压范围内保持不变。
该器件具有出色的动态特性,可在信号眼图衰减最小的情况下实现高速转换,并且附加抖动极少。该器件在工作模式下的功耗 < 2mW,关断模式下的功耗 < 5µW(可通过 EN 引脚切换模式)。
器件型号 | 封装 | 封装尺寸(标称值) |
---|---|---|
HD3SS460 | QFN (RHR) (28) | 3.50mm x 5.50mm |
HD3SS460I | ||
HD3SS460 | QFN (RNH) (30) | 2.50mm x 4.50mm |
HD3SS460I |
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Changes from C Revision (December 2016) to D Revision
Changes from B Revision (June 2016) to C Revision
Changes from A Revision (March 2015) to B Revision
Changes from * Revision (January 2015) to A Revision
OPERATING TEMPERATURE (°C) | PART NUMBER | PINS | TOP-SIDE MARKING |
---|---|---|---|
0 to 70 | HD3SS460RHR | 28 | 3SS460 |
–40 to 85 | HD3SS460IRHR | 28 | 3SS460I |
0 to 70 | HD3SS460RNH | 30 | 460RNH |
–40 to 85 | HD3SS460IRNH | 30 | 460IRNH |
PIN | TYPE(1) | DESCRIPTION | ||
---|---|---|---|---|
NAME | RHR NO. |
RNH NO. |
||
VCC | 22 | 23 | P | Power |
GND | PAD | 13, 28, PAD | G | Ground |
POL | 3 | 3 | Input | Provides MUX control (Table 1) |
AMSEL | 8 | 8 | 3-Level Input | Provides MUX configurations (Table 1) |
EN | 17 | 18 | 3-Level Input | Enable signal; also provides MUX control (Table 1) |
CRX1p, n | 1, 2 | 1, 2 | I/O | High Speed Signal Port CRX1 positive, negative |
CTX1p, n | 4, 5 | 4, 5 | I/O | High Speed Signal Port CTX1 positive, negative |
CTX2p, n | 6, 7 | 6, 7 | I/O | High Speed Signal Port CTX2 positive, negative |
CRX2p, n | 9, 10 | 9, 10 | I/O | High Speed Signal Port CRX2 positive, negative |
LnAn, p | 15, 16 | 16, 17 | I/O | High Speed Signal Port LnA positive, negative |
LnBn, p | 18, 19 | 19, 20 | I/O | High Speed Signal Port LnB negative, positive |
LnCn, p | 20, 21 | 21, 22 | I/O | High Speed Signal Port LnC negative, positive |
LnDn, p | 23, 24 | 24, 25 | I/O | High Speed Signal Port LnD negative, positive |
SSTXn, p | 25, 26 | 26, 27 | I/O | High Speed Signal Port SSTX negative, positive |
SSRXn, p | 27, 28 | 29, 30 | I/O | High Speed Signal Port SSRX negative, positive |
CSBU1, 2 | 11, 12 | 11, 12 | I/O | Low Speed Signal Port CSBU 1, 2 |
SBU1, 2 | 13, 14 | 14, 15 | I/O | Low Speed Signal Port SBU 1, 2 |
VALUE | UNIT | |||
---|---|---|---|---|
V(ESD) | Electrostatic discharge | Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) | ±4000 | V |
Charged-device model (CDM), per JEDEC specification JESD22-C101(2) | ±1000 | V |
THERMAL METRIC(1) | HD3SS460 | UNIT | ||
---|---|---|---|---|
QFN (RNH) | QFN (RHR) | |||
30 PINS | 28 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 51.6 | 44.0 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 37.5 | 34.8 | °C/W |
RθJB | Junction-to-board thermal resistance | 17.5 | 14.7 | °C/W |
ψJT | Junction-to-top characterization parameter | 0.7 | 0.7 | °C/W |
ψJB | Junction-to-board characterization parameter | 17.3 | 24.5 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | 6.8 | 6.9 | °C/W |
PARAMETER | MIN | TYP | MAX | UNIT | ||
---|---|---|---|---|---|---|
RL | Differential return loss | 100 Mhz SS Paths | –23 | dB | ||
2.5 Ghz SS Paths | –9 | |||||
100 MHz AM Paths | –23 | |||||
2. 7GHz AM Paths | –13 | |||||
IL | Differential insertion loss | 100 Mhz SS Paths | –0.7 | |||
2.5 Ghz SS Paths | –1.6 | |||||
100 MHz AM Paths | –0.7 | |||||
2.7 GHz AM Paths | –1.4 | |||||
OI | Differential off isolation | 100 Mhz | –50 | |||
2.5 Ghz | –26 | |||||
2.7 GHz | –25 | |||||
Xtalk | Differential cross talk, Between CRX1/2 and CTX1/2 | 100 Mhz | –80 | |||
2.5 Ghz | –30 | |||||
2.7 Ghz | –28 | |||||
Differential cross talk, Between CRX1 and CRX2 or CTX1 and CTX2 | 100 Mhz | –50 | ||||
2.5 Ghz | –26 | |||||
2.7 Ghz | –25 | |||||
BWSS | Differential –3 dB BW SS Paths | 4.2 | GHz | |||
BWAM | Differential –3 dB BW AM Paths | 5.4 | ||||
BWSBU | Low-speed switch –3 dB BW | 500 | MHz |
PARAMETER | TEST CONDITION | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|
tPD | Switch propagation delay | RSC and RLOAD = 50 Ω, Figure 2 | 100 | ps | ||
tSK(O) | Inter-Pair output skew (CH-CH) | 50 | ||||
tSK(b-b) | Intra-Pair output skew (bit-bit) | 5 | ||||
tON | Control signals POL, AMSEL and EN (H/M toggle) to switch ON time | RSC and RLOAD = 50 Ω, Figure 1 | 3 | µs | ||
tOFF | Control signals POL, AMSEL and EN (H/M toggle) to switch OFF time | 1 |