CP2102N Datasheet, PDF (8/44 Pages) Silicon Laboratories – USBXpress Family

3. Electrical Specifications
CP2102N Data Sheet
Electrical Specifications
3.1 Electrical Characteristics
All electrical parameters in all tables are specified under the conditions listed in Table 3.1 Recommended Operating Conditions on page
7, unless stated otherwise.
3.1.1 Recommended Operating Conditions
Table 3.1. Recommended Operating Conditions
Parameter
Symbol
Operating Supply Voltage on VDD ^VDD
1
Test Condition
Min
Typ
Max
Unit
2.2
—
3.6
V
Operating Supply Voltage on VIO ^{3 V}IO
1.71
—
V_DD
V
Operating Supply Voltage on VRE- V_REGIN
GIN
3.0
—
5.25
V
Operating Ambient Temperature T_A
-40
—
85
°C
Note:
1. Standard USB compliance tests require 3.0 V on VDD for compliant operation.
2. All voltages with respect to GND.
3. On devices without a VIO pin, V_IO = V_DD.
4. GPIO levels are undefined whenever VIO is less than 1 V.
3.1.2 Power Consumption
Table 3.2. Power Consumption
Parameter
Symbol Test Condition
Min
Typ
Max
Unit
Normal Operation^{1, 2}
I_DD
115200 baud transmitting continu-
—
9.5
—
mA
ous bidirectional data
3 Mbaud transmitting continuous
—
13.7
—
mA
bidirectional data
USB Suspend^{1, 2}
I_DD
—
195
—
µA
Held in Reset^{1, 2}
I_DD
—
1.3
—
mA
USB Pull-up³
I_PU
—
200
230
µA
Note:
1. Includes supply current from internal LDO regulator, supply monitor, and internal oscillators. These power consumption numbers
are only for the CP2102N and do not include an external RS232 transceiver or other external circuitry.
2. USB Pull-up current should be added for total supply current. Normal and suspended supply current is current flowing into VRE-
GIN.
3. The USB Pull-up supply current values are calculated values based on USB specifications. USB Pull-up supply current is current
flowing from VDD to GND through USB pull-down/pull-up resistors on D+ and D-.
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