Datasheet LTM2882 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | Dual Isolated RS232 μModule Transceiver + Power |
| 页数 / 页 | 22 / 4 — ELECTRICAL CHARACTERISTICS The. denotes the specifications which apply … |
| 文件格式/大小 | PDF / 658 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS The. denotes the specifications which apply over the full operating
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LTM2882
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. LTM2882-3 VCC = 3.3V, LTM2882-5 VCC = 5.0V, VL = VCC, and GND = GND2 = 0V, ON = VL unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Receiver
VIR Receiver Input Threshold Input Low l 0.8 1.3 V Input High l 1.7 2.5 V VHYSR Receiver Input Hysteresis l 0.1 0.4 1.0 V RIN Receiver Input Resistance –15V ≤ (VR1IN, VR2IN) ≤ 15V l 3 5 7 kΩ
Logic
VITH Logic Input Threshold Voltage ON, T1IN, T2IN, DIN = 1.62V ≤ VL < 2.35V l 0.25•VL 0.75•VL V ON, T1IN, T2IN, DIN = 2.35V ≤ VL ≤ 5.5V l 0.4 0.67•VL V DE l 0.4 0.67•VCC2 V IINL Logic Input Current l ±1 µA VHYS Logic Input Hysteresis T1IN, T2IN, DIN (Note 2) 150 mV VOH Logic Output High Voltage R1OUT, R2OUT ILOAD = –1mA (Sourcing), 1.62V ≤ VL < 3.0V l VL – 0.4 V ILOAD = –4mA (Sourcing), 3.0V ≤ VL ≤ 5.5V l VL – 0.4 V DOUT, ILOAD = –4mA (Sourcing) l VCC2 – 0.4 V VOL Logic Output Low Voltage R1OUT, R2OUT ILOAD = 1mA (Sinking), 1.62V ≤ VL < 3.0V l 0.4 V ILOAD = 4mA (Sinking), 3.0V ≤ VL ≤ 5.5V l 0.4 V DOUT, ILOAD = 4mA (Sinking) l 0.4 V
ESD (HBM)
(Note 2) RS232 Driver and Receiver Protection (T1OUT, T2OUT, R1IN, R2IN) to (VCC2, GND2) ±10 kV (T1OUT, T2OUT, R1IN, R2IN) to (VCC, VL, GND) ±10 kV Isolation Boundary (VCC2, GND2) to (VCC, VL, GND) ±10 kV
SWITCHING CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. LTM2882-3 VCC = 3.3V, LTM2882-5 VCC = 5.0V, VL = VCC, and GND = GND2 = 0V, ON = VL unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Maximum Data Rate RL = 3kΩ, CL = 2.5nF (Note 3) l 100 kbps (T1IN to T1OUT, T2IN to T2OUT) RL = 3kΩ, CL = 1nF (Note 3) l 250 kbps RL = 3kΩ, CL = 250pF (Note 3) l 1000 kbps Maximum Data Rate (DIN to DOUT) CL = 15pF (Note 3) l 10 Mbps
Driver
Driver Slew Rate (6V/tTHL or tTLH) RL = 3kΩ, CL = 50pF (Figure 1) l 150 V/µs tPHLD, tPLHD Driver Propagation Delay RL = 3kΩ, CL = 50pF (Figure 1) l 0.2 0.5 µs tSKEWD Driver Skew |tPHLD – tPLHD| RL = 3kΩ, CL = 50pF (Figure 1) 40 ns tPZHD, tPZLD Driver Output Enable Time DE = ↑ , RL = 3kΩ, CL = 50pF (Figure 2) l 0.6 2 µs tPHZD, tPLZD Driver Output Disable Time DE = ↓ , RL = 3kΩ, CL = 50pF (Figure 2) l 0.3 2 µs 2882fh 4 For more information www.linear.com/LTM2882 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS SWITCHING CHARACTERISTICS ISOLATION CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS PIN FUNCTIONS BLOCK DIAGRAM APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATIONS RELATED PARTS
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. LTM2882-3 VCC = 3.3V, LTM2882-5 VCC = 5.0V, VL = VCC, and GND = GND2 = 0V, ON = VL unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Receiver
VIR Receiver Input Threshold Input Low l 0.8 1.3 V Input High l 1.7 2.5 V VHYSR Receiver Input Hysteresis l 0.1 0.4 1.0 V RIN Receiver Input Resistance –15V ≤ (VR1IN, VR2IN) ≤ 15V l 3 5 7 kΩ
Logic
VITH Logic Input Threshold Voltage ON, T1IN, T2IN, DIN = 1.62V ≤ VL < 2.35V l 0.25•VL 0.75•VL V ON, T1IN, T2IN, DIN = 2.35V ≤ VL ≤ 5.5V l 0.4 0.67•VL V DE l 0.4 0.67•VCC2 V IINL Logic Input Current l ±1 µA VHYS Logic Input Hysteresis T1IN, T2IN, DIN (Note 2) 150 mV VOH Logic Output High Voltage R1OUT, R2OUT ILOAD = –1mA (Sourcing), 1.62V ≤ VL < 3.0V l VL – 0.4 V ILOAD = –4mA (Sourcing), 3.0V ≤ VL ≤ 5.5V l VL – 0.4 V DOUT, ILOAD = –4mA (Sourcing) l VCC2 – 0.4 V VOL Logic Output Low Voltage R1OUT, R2OUT ILOAD = 1mA (Sinking), 1.62V ≤ VL < 3.0V l 0.4 V ILOAD = 4mA (Sinking), 3.0V ≤ VL ≤ 5.5V l 0.4 V DOUT, ILOAD = 4mA (Sinking) l 0.4 V
ESD (HBM)
(Note 2) RS232 Driver and Receiver Protection (T1OUT, T2OUT, R1IN, R2IN) to (VCC2, GND2) ±10 kV (T1OUT, T2OUT, R1IN, R2IN) to (VCC, VL, GND) ±10 kV Isolation Boundary (VCC2, GND2) to (VCC, VL, GND) ±10 kV
SWITCHING CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. LTM2882-3 VCC = 3.3V, LTM2882-5 VCC = 5.0V, VL = VCC, and GND = GND2 = 0V, ON = VL unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Maximum Data Rate RL = 3kΩ, CL = 2.5nF (Note 3) l 100 kbps (T1IN to T1OUT, T2IN to T2OUT) RL = 3kΩ, CL = 1nF (Note 3) l 250 kbps RL = 3kΩ, CL = 250pF (Note 3) l 1000 kbps Maximum Data Rate (DIN to DOUT) CL = 15pF (Note 3) l 10 Mbps
Driver
Driver Slew Rate (6V/tTHL or tTLH) RL = 3kΩ, CL = 50pF (Figure 1) l 150 V/µs tPHLD, tPLHD Driver Propagation Delay RL = 3kΩ, CL = 50pF (Figure 1) l 0.2 0.5 µs tSKEWD Driver Skew |tPHLD – tPLHD| RL = 3kΩ, CL = 50pF (Figure 1) 40 ns tPZHD, tPZLD Driver Output Enable Time DE = ↑ , RL = 3kΩ, CL = 50pF (Figure 2) l 0.6 2 µs tPHZD, tPLZD Driver Output Disable Time DE = ↓ , RL = 3kΩ, CL = 50pF (Figure 2) l 0.3 2 µs 2882fh 4 For more information www.linear.com/LTM2882 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS SWITCHING CHARACTERISTICS ISOLATION CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS PIN FUNCTIONS BLOCK DIAGRAM APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATIONS RELATED PARTS