maxq7667 Maxim Integrated Products, Inc., maxq7667 Datasheet - Page 7

• Manufacturer Part Number: maxq7667
• Description: 16-bit, Risc, Microcontroller-based, Ultrasonic Distance-measuring System
• Manufacturer: Maxim Integrated Products, Inc.

ELECTRICAL CHARACTERISTICS (continued)
(V
(f
otherwise specified. Typical values are at T
BPF
DIGITAL OUTPUTS (GPIO, UART, JTAG, SPI)
Output Low Voltage
Output High Voltage
Maximum Output
Impedance
Three-State Leakage
Three-State Capacitance
BURST OUTPUT
Output Low Voltage
Output High Voltage
Maximum Output
Impedance
Three-State Leakage
Three-State Capacitance
Short-Circuit Current
Internal Pullup Resistance
Output Low Voltage
Output High Voltage
Input Low Voltage
Input High Voltage
UART/LIN INTERFACE (UTX, URX)
UART Baud Rates
DVDDIO
) = 50kHz, C
PARAMETER
= +5V, V
REFBG
AVDD
_______________________________________________________________________________________
= C
Ultrasonic Distance-Measuring System
= +3.3V; V
REF
= 1µF in parallel with 0.01µF, f
SYMBOL
16-Bit, RISC, Microcontroller-Based,
DVDD
= +2.5V, system clock (f
A
= +25°C.)
I
I
I
drive strength = low
I
drive strength = high
Drive strength = low
Drive strength = high
I
I
Drive strength = low
Drive strength = high
Burst drive set to high
Pulled up to DVDDIO
I
No external load
When driven by external source
When driven by external source
Asynchronous mode
(system clock/32)
Synchronous mode (system clock/8)
LIN 2.0 compatibility (Note 3)
SINK
SINK
SOURCE
SOURCE
SINK
SOURCE
SINK
= 0.5mA, drive strength = low
= 1.0mA, drive strength = high
= 8mA
= 0.5mA
= 1.0mA,
= 0.5mA,
= 8mA
CONDITIONS
ADCCLK
SYSCLK
= 2MHz (SAR data rate = 125ksps), T
) = 16MHz, burst frequency (f
V
V
V
V
V
DVDDIO
DVDDIO
DVDDIO
DVDDIO
DVDDIO
MIN
0.5
0.5
0.5
0.5
1
1
-
-
-
-
-
±0.01
±0.01
TYP
880
450
120
15
90
45
15
50
BURST
A
) = bandpass frequency
= T
MAX
2000
500
0.4
0.4
0.4
0.4
0.8
±1
±1
20
MIN
to T
MAX
UNITS
kbps
mA
µA
µA
k
pF
pF
, unless
V
V
V
V
V
V
V
V
7