35
DC Operating Voltages
Signal Signal
Description
MIN
MAX
Condition
VIN
Operating Voltage
3V
5.5V
VIH(1)
Input High (RX, CTS)
2.5V
VIL(1)
Input Low (RX, CTS)
.8V
VIH(2)
Input High (TTL_INV, nWake)
.8xVIN
VIL(2)
Input Low (TTL_INV, nWake)
.8V
VIH(3)
Input High (Trigger)
.8xVIN
VIL(3)
Input Low (Trigger)
.25V
VOH(1)
Output High Voltage (TX,RTS)
.8xVIN
Isource = 16 mA
VOL(1)
Output Low Voltage (TX,RTS)
.14xVIN
Isink = 16 mA
VOH(2)
Output High Voltage (nBeeper, nGoodRead)
***
5.5V
VOL(2)
Output Low Voltage (nBeeper, nGoodRead)
.6V
Isink = 25 mA
VOH(3)
Output High Voltage (Power down)
***
5.5V
VOL(3)
Output Low Voltage (Power down)
.2V
Isink = 8 mA
*** PWRDWN, nGoodRead, and nBeeper are open drain outputs w/ 100K pull-ups to VIN. Actual VOH will be
determined by the parallel resistance of the 100K pull up and any external impedance.
Current Draw @ 25°C
USB TTL
Signal Signal
Description
VIN = 3.3V
VIN = 5V
VIN = 3.3V VIN = 5V
Continuous
Scan mode
Average current draw during continuous
scan mode*
235 mA
175 mA
200 mA
140 mA
Idle
Average current draw while in idle mode
160 mA
120 mA
125 mA
85 mA
Sleep
Average current draw while in sleep mode
65 mA
65 mA
25 mA
25 mA
Suspend
Mode (USB)
Average current draw in USB suspend
(USB version only)
600 µA
650 µA
N/A
N/A
Power Down
Mode (TTL)
Average current draw in power down mode
(TTL Version Only)
N/A
N/A
500 µA
500 µA
*
Note:
Continuous Scan Mode current will vary based on object size, distance, and type. The numbers listed
above are typical.