MAX14830_15 Datasheet, PDF (8/68 Pages) Maxim Integrated Products – Quad Serial UART with 128-Word FIFOs

MAX14830
Quad Serial UART with 128-Word FIFOs
Absolute Maximum Ratings
(Voltages referenced to AGND.)
V_L, V_A, V_EXT, XIN.................................................-0.3V to +4.0V
V₁₈, XOUT.............-0.3V to the lesser of (V_A + 0.3V) and +2.0V
RST, IRQ, MOSI/A1, CS/A0, SCLK/SCL,
MISO/SDA, LDOEN, SPI/I2C...................-0.3V to (V_L + 0.3V)
TX0, RX0, CTS0, GPIO0, GPIO1,
GPIO2, GPIO3.....................................-0.3V to (V_EXT + 0.3V)
TX1, RX1, CTS1, GPIO4, GPIO5,
GPIO6, GPIO7.....................................-0.3V to (V_EXT + 0.3V)
TX2, RX2, CTS2, GPIO8, GPIO9,
GPIO10, GPIO11.................................-0.3V to (V_EXT + 0.3V)
Package Thermal Characteristics (Note 1)
TQFN
Junction-to-Ambient Thermal Resistance (θ_JA)...........26°C/W
Junction-to-CaseThermal Resistance (θ_JC)...................1°C/W
TX3, RX3, CTS3, GPIO12, GPIO13,
GPIO14, GPIO15.................................-0.3V to (V_EXT + 0.3V)
DGND................................................................... -0.3V to +0.3V
Continuous Power Dissipation (T_A = +70°C)
TQFN (derate 38.5mW/°C above +70°C)................3076.9mW
Operating Temperature Range............................-40°C to +85°C
Maximum Junction Temperature......................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s)....................................300°C
Soldering Temperature (reflow) ......................................+260°C
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
DC Electrical Characteristics
(V_A = +2.35V to +3.6V, V_L = +1.71V to +3.6V, V_EXT = +1.71V to +3.6V, T_A = -40°C to +85°C, unless otherwise noted. Typical values
are at V_A = +2.5V, V_L = +1.8V, V_EXT = +2.8V, T_A = +25°C.) (Notes 2, 3)
PARAMETER
Digital Interface Supply Voltage
Analog Supply Voltage
UART Interface Logic Supply
Voltage
Logic Supply Voltage
CURRENT CONSUMPTION
V_A Supply Current
V_A Shutdown Supply Current
V_L Shutdown or Sleep Supply
Current
V_EXT Shutdown Supply Current
SYMBOL
CONDITIONS
MIN
V_L
1.71
V_A
2.35
V_EXT
1.71
V₁₈
1.65
I_­A
I_ASHDN
I_L
I_EXT
1.8MHz crystal oscillator active, PLL
disabled, SPI/I²C interface idle, UART
interfaces idle, V_LDOEN = V_L
Baud rate = 1Mbps, 20MHz external clock,
SPI/I²C interface idle, PLL disabled, all
UARTs in loopback mode, V_LDOEN = 0V
Shutdown mode, V_LDOEN = 0V, V_RST = 0V,
all inputs and outputs are idle
Shutdown mode, V_LDOEN = 0V, V_RST = 0V,
all inputs and outputs are idle
Shutdown mode, V_LDOEN = 0V, V_RST = 0V,
all inputs and outputs are idle
TYP
MAX
3.6
3.6
3.6
1.95
UNITS
V
V
V
V
400
µA
0.5
mA
35
µA
12
µA
8
µA
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