ISL3330_14 Datasheet, PDF (9/25 Pages) Intersil Corporation – 3.3V, ±15kV ESD Protected, Dual Protocol (RS-232/RS-485) Transceivers

ISL3330, ISL3331
Electrical Specifications
PARAMETER
Test Conditions: V_CC = 3.15V to 3.45V, C₁ to C₄ = 0.1µF, V_L = V_CC (for QFN only), Unless Otherwise Specified.
Typicals are at V_CC = 3.3V, T_A = +25°C (Note 9) (Continued)
SYMBOL
TEST CONDITIONS
TEMP MIN
MAX
(°C) (Note 15) TYP (Note 15) UNITS
RS-232 DRIVER and RECEIVER SWITCHING CHARACTERISTICS (485/232 = 0V, ALL VERSIONS AND SPEEDS)
Driver Output Transition Region
Slew Rate
SR R_L = 3kΩ, Measured From 3V C_L ≥ 15pF
Full
to -3V or -3V to 3V
C_L ≤ 2500pF Full
Driver Output Transition Time
t_r, t_f R_L = 3kΩ, C_L = 2500pF, 10% to 90%
Full
Driver Propagation Delay
t_DPHL R_L = 3kΩ, C_L = 1000pF (Figure 6)
Full
t_DPLH
Full
Driver Propagation Delay Skew
t_DSKEW t_DPHL - t_DPLH (Figure 6)
Full
Driver Enable Time
t_DEN
25
Driver Disable Time
t_DDIS R_L = 5kΩ, Measured at V_OUT = ±3V
25
Driver Enable Time from Shutdown t_DENSD V_OUT = ±3.0V (Note 14)
25
Driver Maximum Data Rate
DR_D R_L = 3kΩ, C_L = 1000pF, One Transmitter
Full
Switching
-
4
0.22
-
-
-
-
-
-
250
20
12
1.2
1
1.2
300
1200
500
25
400
30
V/µs
-
V/µs
3.1
µs
2
µs
2
µs
450
ns
-
ns
-
ns
-
µs
-
kbps
Receiver Propagation Delay
t_RPHL C_L = 15pF (Figure 7)
t_RPLH
Receiver Propagation Delay Skew t_RSKEW t_RPHL - t_RPLH (Figure 7)
Receiver Maximum Data Rate
DR_R C_L = 15pF
Receiver Enable to Output Low
t_ZL C_L = 15pF, SW = V_CC (Figure 5)
Receiver Enable to Output High
t_ZH C_L = 15pF, SW = GND (Figure 5)
Receiver Disable from Output Low
t_LZ C_L = 15pF, SW = V_CC (Figure 5)
Receiver Disable from Output High t_HZ C_L = 15pF, SW = GND (Figure 5)
Receiver Enable from Shutdown to t_ZLSHDN C_L = 15pF, SW = V_CC (Figure 5, Note 14)
Output Low
Full
-
40
120
ns
Full
-
60
120
ns
Full
-
20
40
ns
Full
0.46
2
-
Mbps
Full
-
18
-
ns
Full
-
18
-
ns
Full
-
22
-
ns
Full
-
22
-
ns
25
-
60
-
ns
Receiver Enable from Shutdown to t_ZHSHDN C_L = 15pF, SW = GND (Figure 5, Note 14)
25
-
20
-
ns
Output High
RS-485 DRIVER SWITCHING CHARACTERISTICS (FAST DATA RATE (20Mbps), 485/232 = V_CC, SLEW = V_CC, ALL VERSIONS)
Driver Differential Input to Output t_DLH, t_DHL R_DIFF = 54Ω, C_L = 100pF (Figure 2)
Delay
Full
10
20
35
ns
Driver Output Skew
t_SKEW R_DIFF = 54Ω, C_L = 100pF (Figure 2)
Driver Differential Rise or Fall Time t_R, t_F R_DIFF = 54Ω, C_L = 100pF (Figure 2)
Driver Enable to Output Low
t_ZL C_L = 100pF, SW = V_CC (Figure 3)
Driver Enable to Output High
t_ZH C_L = 100pF, SW = GND (Figure 3)
Driver Disable from Output Low
t_LZ C_L = 15pF, SW = V_CC (Figure 3)
Driver Disable from Output High
t_HZ C_L = 15pF, SW = GND (Figure 3)
Driver Enable from Shutdown to
Output Low
t_ZL(SHDN) R_L = 500Ω, C_L = 100pF, SW = V_CC
(Figure 3, Note 14)
Full
-
Full
3
Full
-
Full
-
Full
-
Full
-
Full
-
2
10
ns
20
30
ns
28
60
ns
39
60
ns
30
60
ns
25
60
ns
100
250
ns
Driver Enable from Shutdown to t_ZH(SHDN) R_L = 500Ω, C_L = 100pF, SW = GND
Output High
(Figure 3, Note 14)
Full
-
290
375
ns
Driver Maximum Data Rate
f_MAX R_DIFF = 54Ω, C_L = 100pF (Figure 2)
Full
20
35
-
Mbps
RS-485 DRIVER SWITCHING CHARACTERISTICS (MEDIUM DATA RATE (460kbps), 485/232 = V_CC, SLEW = 0V, SPB (QFN Only) = V_CC, ALL
VERSIONS)
Driver Differential Input to Output t_DLH, t_DHL R_DIFF = 54Ω, C_L = 100pF (Figure 2)
Delay
Full
200
500
1000
ns
Driver Output Skew
t_SKEW R_DIFF = 54Ω, C_L = 100pF (Figure 2)
Driver Differential Rise or Fall Time t_R, t_F R_DIFF = 54Ω, C_L = 100pF (Figure 2)
Full
-
Full
300
10
150
ns
660
1100
ns
9
FN6361.0
May 20, 2008