MAX481E/MAX483E/MAX485E/ MAX487E–MAX491E/MAX1487E
±15kV ESD-Protected, Slew-Rate-Limited,Low-Power, RS-485/RS-422 TransceiversMAX481EMAX483EMAX485EMAX487EMAX1487EBRtARRENOTE: PIN LABELS Y AND Z ON TIMING, TEST, AND WAVEFORM DIAGRAMS REFER TO PINS A AND B WHEN DE IS HIGH. TYPICAL OPERATING CIRCUIT SHOWN WITH DIP/SO PACKAGE.ROTOP VIEWRO1R876D5VCCBAGNDRO1R8VCC7BRt6A5GND0.1μFDEDDIRE2DE3DI4RE2DE3DI4DDIP/SOFigure 1. MAX481E/MAX483E/MAX485E/MAX487E/MAX1487E Pin Configuration and Typical Operating Circuit0.1μFVCC1VCCMAX488EMAX490E5YRtTOP VIEWVCC1RO2DI3GND4DR8765ABZYRODI3D6ZRRO8A2R7BRtDDIDIP/SO4GNDGNDNOTE: TYPICAL OPERATING CIRCUIT SHOWN WITH DIP/SO PACKAGE.Figure 2. MAX488E/MAX490E Pin Configuration and Typical Operating CircuitTOP VIEWN.C.1RO2RE3DE4DI5GND6GND7DR14VCC13N.C.12A11B10Z98YN.C.NC1, 8, 1336, 7GNDREGNDDERO2DI5DE4VCC1490.1μFVCCREYMAX489EMAX491ERtD10Z12ARt11BRRORDDIDIP/SOFigure 3. MAX489E/MAX491E Pin Configuration and Typical Operating Circuit8
MAX481E/MAX483E/MAX485E/ MAX487E–MAX491E/MAX1487E
±15kV ESD-Protected, Slew-Rate-Limited,Low-Power, RS-485/RS-422 Transceivers____________________________Typical Operating Characteristics (continued)(VCC= 5V, TA= +25°C, unless otherwise noted.)
DRIVER DIFFERENTIAL OUTPUTVOLTAGE vs. TEMPERATURE
2.360-E1)8VR = 54Ω4X( E2.2AMGATL2.1OV T2.0UPTU1.9O LAI1.8TNER1.7EFFID1.61.5
-60-40-20
0
20
40
60
80100
TEMPERATURE (°C)
MAX481E/MAX485E/MAX490E/MAX491ESUPPLY CURRENT vs. TEMPERATURE
600
90-EMAX481E/MAX485E; DE = V1CC, RE = X84XAM500)Aμ( TN400ERRUC300 YMAX485E; DE = 0, RE = X,LPPU200MAX481E; DE = RE = 0MAX490E/MAX491E; DE = RE = XS100MAX481E; DE = 0, RE = V0
CC-60-40-20
0
20
40
60
80100
TEMPERATURE (°C)
6
OUTPUT CURRENT vs.DRIVER OUTPUT LOW VOLTAGE
14070-E184X120AM)Am(100 TNERR80UC T60UPTUO402000
2
4
6
8
10
12OUTPUT LOW VOLTAGE (V)MAX483E/MAX487E–MAX489ESUPPLY CURRENT vs. TEMPERATURE
60001-E184XAM500)Aμ( TN400MAX483E; DE = VCC, RE = XERRUC300 MAX487E; DE = VYCC, RE = XLPPU200MAX483E/MAX487E; DE = RE = 0,SMAX488E/MAX489E; DE = RE = X100
MAX483E/MAX487E; DE = 0, RE = VCC0
-60-40-20
0
20
40
60
80100
TEMPERATURE (°C)
OUTPUT CURRENT vs.DRIVER OUTPUT HIGH VOLTAGE
-100
80-E1-9084XAM)A-80m( -70TNER-60RUC-50 TU-40PTUO-30-20-100
-8-6-4-20246
OUTPUT HIGH VOLTAGE (V)
MAX1487E
SUPPLY CURRENT vs. TEMPERATURE
60011-E184XAM500)Aμ( TN400ERRMAX1487E; DE = V, RE = XUC300CC YLPPU200SMAX1487E; DE = 0V, RE = X100
0
-60-40-20
0
20
40
60
80100
TEMPERATURE (°C)
MEMORY存储芯片MAX489CSD中文规格书 - 图文
