maxq7667 Maxim Integrated Products, Inc., maxq7667 Datasheet - Page 6

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

16-Bit, RISC, Microcontroller-Based,
Ultrasonic Distance-Measuring System
ELECTRICAL CHARACTERISTICS (continued)
(V
(f
otherwise specified. Typical values are at T
SPI is a trademark of Motorola, Inc.
6
+2.5V LINEAR REGULATOR (REG2P5)
REG2P5 Output Voltage
Load Current
Output Short-Circuit Current
POWER REQUIREMENTS
Supply Voltage Range
AVDD Supply Current
DVDD Supply Current
DVDDIO Supply Current
DIGITAL INPUTS (GPIO, UART, JTAG, SPI™)
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Leakage Current
Pullup/Pulldown Resistance
Input Capacitance
BPF
DVDDIO
_______________________________________________________________________________________
) = 50kHz, C
PARAMETER
= +5V, V
REFBG
AVDD
= C
= +3.3V; V
REF
= 1µF in parallel with 0.01µF, f
SYMBOL
DVDD
= +2.5V, system clock (f
A
= +25°C.)
REG2P5 shorted to DGND
DVDD
AVDD
DVDDIO
All analog functions enabled
All analog functions disabled
Incremental
AVDD supply
current
V
Digital input voltage = DGND or
DVDDIO, pullup disabled
Pulled up to DVDDIO internally, pulled
down to DGND internally
DVDDIO
= 5.0V
CONDITIONS
LNA
Sigma-delta ADC
SAR ADC, 250ksps,
f
PLL
Supply voltage
supervisors
Internal voltage
reference
Reference buffer
Bias (any AVDD
module enabled)
ADCCLK
ADCCLK
SYSCLK
= 2MHz (SAR data rate = 125ksps), T
= 4MHz
) = 16MHz, burst frequency (f
V
DVDDIO
2.38
2.25
3.00
MIN
4.5
- 1
±0.01
TYP
100
600
300
220
300
500
150
2.5
3.3
5.0
2.4
1.5
2.5
12
12
11
15
3
3
BURST
A
) = bandpass frequency
= T
MAX
2.62
2.75
3.6
5.5
0.8
±1
50
18
10
MIN
to T
MAX
UNITS
mA
mA
mA
mA
mA
mA
mA
mV
k
µA
µA
µA
pF
, unless
V
V
V
V