USB Gen 1 Differential Receiver (UTX1P/N, UTX2P/N, DRX1P/N, DRX2P/N)
|
VRX-DIFF-PP
|
Input differential peak-peak voltage swing linear dynamic range |
AC-coupled differential peak-to-peak signal measured post CTLE through a reference channel |
|
2000 |
|
mVpp |
VRX-DC-CM
|
Common-mode voltage bias in the receiver (DC) |
|
|
0 |
|
V |
RRX-DIFF-DC
|
Differential input impedance (DC) |
Present after a GEN1 device is detected on receiver pins |
72 |
|
120 |
Ω |
RRX-CM-DC
|
Receiver DC common mode impedance |
Present after a GEN1 device is detected on receiver pins |
18 |
|
30 |
Ω |
ZRX-HIGH-IMP-DC-POS
|
Common-mode input impedance with termination disabled (DC) |
Present when no GEN1 device is detected on receiver pins. Measured over the range of 0-500mV with respect to GND. |
25 |
|
|
kΩ |
VSIGNAL-DET-DIFF-PP
|
Input differential peak-to-peak signal detect assert level |
At 5 Gbps, no loss at the input, PRBS7 pattern |
|
80 |
|
mV |
VRX-IDLE-DET-DIFF-PP
|
Input differential peak-to-peak signal detect de-assert Level |
At 5 Gbps, no loss at the input, PRBS7 pattern |
|
60 |
|
mV |
VRX-LFPS-DET-DIFF-PP
|
Low frequency periodic signaling (LFPS) detect threshold |
Below the minimum is squelched. |
100 |
|
300 |
mV |
VRX-CM-AC-P
|
Peak RX AC common-mode voltage |
Measured at package pin |
|
|
150 |
mV |
CRX
|
RX input capacitance to GND |
At 2.5 GHz |
|
0.5 |
1 |
pF |
RLRX-DIFF
|
Differential return Loss |
50 MHz – 1.25 GHz at 90 Ω |
|
–16 |
|
dB |
2.5 GHz at 90 Ω |
|
–14 |
|
dB |
RLRX-CM
|
Common-mode return loss |
50 MHz – 2.5 GHz at 90 Ω |
|
–13 |
|
dB |
EQSS
|
Receiver equalization at maximum setting
|
UEQ[1:0] and
DEQ[1:0]. at 2.5 GHz
|
|
|
9 |
dB |
USB Gen 1 Differential Transmitter (DTX1P/N, DTX2P/N, URX1P/N, URX2P/N)
|
VTX-DIFF-PP
|
Transmitter dynamic differential voltage swing range. |
|
1600 |
|
mVPP
|
VTX-RCV-DETECT
|
Amount of voltage change allowed during receiver detection |
|
|
600 |
mV |
VTX-CM-IDLE-DELTA
|
Transmitter idle common-mode voltage change while in U2/U3 and not actively transmitting LFPS |
–600 |
|
600 |
mV |
VTX-DC-CM
|
Common-mode voltage bias in the transmitter (DC)
|
|
1.75 |
|
V |
VTX-CM-AC-PP-ACTIVE
|
Tx AC common-mode voltage active |
Max mismatch from Txp + Txn for both time and amplitude |
|
|
100 |
mVPP
|
VTX-IDLE-DIFF-AC-PP
|
AC electrical idle differential peak-to-peak output voltage |
At package pins |
0 |
|
10 |
mV |
VTX-IDLE-DIFF-DC
|
DC electrical idle differential output voltage |
At package pins after low pass filter to remove AC component |
0 |
|
14 |
mV |
VTX-CM-DC-ACTIVE-IDLE-DELTA
|
Absolute DC common-mode voltage between U1 and U0 |
At package pin |
|
|
200 |
mV |
RTX-DIFF
|
Differential impedance of the driver |
|
75 |
|
120 |
Ω |
CAC-COUPLING
|
AC coupling capacitor |
|
75 |
|
265 |
nF |
RTX-CM
|
Common-mode impedance of the driver |
Measured with respect to AC ground over
0–500 mV |
18 |
|
30 |
Ω |
ITX-SHORT
|
TX short circuit current |
TXP/N shorted to GND |
|
|
67 |
mA |
RLTX-DIFF
|
Differential return loss
|
50 MHz – 1.25 GHz at 90 Ω |
|
–16 |
|
dB |
2.5 GHz at 90 Ω |
|
–13 |
|
dB |
RLTX-CM
|
Common-mode return loss
|
50 MHz – 2.5 GHz at 90 Ω |
|
–11 |
|
dB |
AC Characteristics
|
Crosstalk |
Differential crosstalk between any signal pairs |
at 4.05 GHz |
|
–30 |
|
dB |
GLF
|
Low frequency voltage gain
|
at 10 MHz, 200 mVPP< VID
< 2000 mVPP; 0-dB low-frequency gain setting |
–1 |
0 |
1 |
dB |
CP1dB-LF
|
Low frequency 1-dB compression point |
at 10 MHz, 200 mVPP< VID
< 2000 mVPP; VOD linearity setting = 1100mVPP
|
|
1100 |
|
mVPP
|
CP1dB-HF
|
High frequency 1-dB compression point |
at 4.05 GHz, 200 mVPP< VID
< 2000 mVPP; VOD linearity setting = 1100mVPP
|
|
1200 |
|
mVPP
|
fLF
|
Low frequency cutoff |
200 mVPP< VID< 2000 mVPP
|
|
25 |
50 |
kHz |
DJ |
TX output deterministic jitter |
200 mVPP< VID< 2000 mVPP, PRBS7, 5 Gbps |
|
0.05 |
|
UIpp |
200 mVPP< VID< 2000 mVPP, PRBS7, 8.1 Gbps |
|
0.08 |
|
UIpp |
TJ |
TX output total jitter |
200 mVPP< VID< 2000 mVPP, PRBS7, 5 Gbps |
|
0.08 |
|
UIpp |
200 mVPP< VID < 2000 mVPP, PRBS7, 8.1 Gbps |
|
0.135 |
|
UIpp |
DisplayPort Receiver UTX1P/N, UTX2P/N, URX1P/N, URX2P/N
|
VID_PP
|
Peak-to-peak input differential dynamic voltage range |
|
2000 |
|
mVpp
|
VIC
|
Input common mode voltage |
|
|
0 |
|
V |
CAC
|
AC coupling capacitance |
|
75 |
|
200 |
nF |
EQDP
|
Receiver equalizer at maximum setting
|
DEQ[1:0],UEQ[1:0] at 4.05 GHz |
|
9.5 |
|
dB |
dR
|
Data rate |
HBR3 |
|
|
8.1 |
Gbps |
Rti
|
Input termination resistance |
|
80 |
100 |
120 |
Ω |
DisplayPort Transmitter DTX1P/N, DTX2P/N, DRX1P/N, DRX2P/N
|
VTX-DIFFPP
|
VOD dynamic range |
|
|
1500 |
|
mV |
ITX-SHORT
|
TX short circuit current |
TXP/N shorted to GND |
|
|
67 |
mA |
VTX(DC-CM)
|
Common-mode voltage bias in the transmitter (DC)
|
|
1.75 |
|
V |
AUXP/N and SBU1/2
|
RON
|
Output ON resistance |
VCC = 3.3 V; VI = 0 to
0.4 V for AUXP;
VI = 2.7 V to 3.6 V for AUXN |
|
5 |
10 |
Ω |
ΔRON
|
ON resistance mismatch within pair |
VCC = 3.3 V; VI = 0 to
0.4V for AUXP;
VI = 2.7V to 3.6V for AUXN |
|
|
1 |
Ω |
RON_FLAT
|
ON resistance flatness (RON max – RON min) measured at identical VCC and temperature |
VCC = 3.3 V; VI = 0 to
0.4V for AUXP;
VI = 2.7V to 3.6 V for AUXN |
|
|
2 |
Ω |
VAUXP_DC_CM
|
AUX Channel DC common mode voltage for AUXP and SBU1. |
VCC = 3.3 V |
0 |
|
0.4 |
V |
VAUXN_DC_CM
|
AUX Channel DC common mode voltage for AUXN and SBU2 |
VCC = 3.3 V |
2.7 |
|
3.6 |
V |
CAUX_ON
|
ON-state capacitance |
VCC = 3.3V; CTL1 = 1;
VI = 0V or 3.3V |
|
4 |
7 |
pF |
CAUX_OFF
|
OFF-state capacitance |
VCC = 3.3V; CTL1 = 0;
VI = 0V or 3.3V |
|
3 |
6 |
pF |