DS8500-JND+ Maxim Integrated Products, DS8500-JND+ Datasheet - Page 6

• Manufacturer Part Number: DS8500-JND+
• Description: IC MODEM HART SGL 3.6V 20-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Single Chip Modem with Highway Addressable Remote Transducer (HART) capabilitiesr

Specifications of DS8500-JND+

• Applications: HART Modem
• Interface: Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Package / Case: 20-TQFN Exposed Pad
• Mounting Type: Surface Mount
• Product: HART Modem
• Interface Type: Serial
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Supply Current: 285 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Data Rate: 1.2 Kbps
• Number Of Channels: 1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

HART Modem
Figure 4. Typical Application Circuit
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.
6
MICROCONTROLLER
_______________________________________________________________________________________
3.6864MHz
CRYSTAL
D_OUT
XCEN
D_IN
OCD
RTS
PACKAGE TYPE
3.6864MHz
20 TQFN
XTAL1
XTAL2
DEMODULATOR
MODULATOR
OSCILLATOR
CRYSTAL
Rx
Tx
GENERATOR
CLOCK
RST
DS8500
DIGITAL
FILTER
DVDD
PACKAGE CODE
MONITOR
POWER
DGND
T2055+3
AGND
SAMPLE/HOLD
1.23V
V
REF
ADC
DAC
AVDD
REF
FSK_IN
FSK_OUT
Package Information
POWER SUPPLY
2.7V TO 3.6V
C4
R1
R2
DOCUMENT NO.
C2
DAC OUTPUT
21-0140
4–20mA
C1
C3
R3
HART AND
4–20mA
OUT
HART IN