MAX9939EVKIT+ Maxim Integrated Products, MAX9939EVKIT+ Datasheet - Page 12

• Manufacturer Part Number: MAX9939EVKIT+
• Description: KIT EVAL FOR MAX9939
• Manufacturer: Maxim Integrated Products

Specifications of MAX9939EVKIT+

• Channels Per Ic: 2 - Dual
• Amplifier Type: Programmable Gain
• Output Type: Differential
• Slew Rate: 9 V/µs
• Current - Output / Channel: 70mA
• Operating Temperature: -40°C ~ 125°C
• Current - Supply (main Ic): 3.4mA
• Voltage - Supply, Single/dual (±): 2.9 V ~ 5.5 V
• Board Type: Fully Populated
• Utilized Ic / Part: MAX9939
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• -3db Bandwidth: -

SPI Programmable-Gain Amplifier
with Input V
Figure 4. Using the MAX9939 as a Differential-Input, Differential-Output PGA
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INA+
INA-
MAX9939
10kΩ
10kΩ
GAIN
SCLK
SPI REGISTERS
OFFSET-
VOLTAGE
INPUT
TRIM
DIN
OS
10kΩ
SHUTDOWN
LVL
CS
Trim and Output Op Amp
V
CC
V
20kΩ
20kΩ
CC
/2
R
I
V
CC
0.1µF
20kΩ
20kΩ
V
CC
R
GND
A
F
V
CC
/2
PROCESS: BiCMOS
1µF
V
B
CC
V
20kΩ
20kΩ
CC
/2
OUTA
INB
OUTB
10kΩ
10kΩ
Chip Information
CS
DOUT
SCLK
ADC
ASIC