MAX412EPA Maxim Integrated, MAX412EPA Datasheet - Page 11

• Manufacturer Part Number: MAX412EPA
• Description: Precision Amplifiers Dual 28MHz Low-V Low-Noise Precision
• Manufacturer: Maxim Integrated

Specifications of MAX412EPA

• Input Offset Voltage: 0.25 mV at +/- 5 V
• Package / Case: PDIP N
• Dual Supply Voltage: +/- 3 V, +/- 5 V
• Gain Bandwidth Product: 28 MHz
• Maximum Dual Supply Voltage: +/- 5.25 V
• Maximum Operating Temperature: + 85 C
• Maximum Power Dissipation: 727 mW
• Minimum Dual Supply Voltage: +/- 2.4 V
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 5 V, 9 V
• Supply Current: 5.4 mA at +/- 5 V
• Supply Voltage - Max: 10.5 V
• Supply Voltage - Min: 4.8 V

On TDFN packages, there is an exposed paddle that
does not carry any current but should be connected to
V- (not the GND plane) for rated power dissipation.
Although the MAX410/MAX412/MAX414 are specified
with ±5V power supplies, they are also capable of sin-
gle-supply operation with voltages as low as 4.8V. The
minimum input voltage range for normal amplifier oper-
ation is between V- + 1.5V and V+ - 1.5V. The minimum
room-temperature output voltage range (with 2kΩ load)
Figure 7a. Capacitive-Load Driving Circuit
Figure 7b. Driving a 0.015µF Load with a 10Ω Isolation Resistor
V
OUTPUT
IN
Total Supply Voltage Considerations
INPUT
1V/div
1V/div
TDFN Exposed Paddle Connection
D.U.T
______________________________________________________________________________________
499Ω
Single/Dual/Quad, 28MHz, Low-Noise,
1µs/div
MAX410
MAX412
MAX414
10Ω
R
I
V
T
A
S
= +25°C
= ±5V
Low-Voltage, Precision Op Amps
C
L
> 0.015µF
GND
V
GND
OUT
is between V+ - 1.4V and V- + 1.3V for total supply volt-
ages between 4.8V and 10V. The output voltage range,
referenced to the supply voltages, decreases slightly
over temperature, as indicated in the ±5V Electrical
Characteristics tables. Operating characteristics at total
supply, voltages of less than 10V are guaranteed by
design and PSRR tests.
The offset null circuit of Figure 9 provides approximately
±450µV of offset adjustment range, sufficient for zeroing
offset over the full operating temperature range.
Figure 8. Capacitive-Load Driving Circuit with Loop-Enclosed
Isolation Resistor
Figure 9. MAX410 Offset Null Circuit
V
IN
909Ω
1kΩ
1
NULL
MAX410 Offset Voltage Null
D.U.T
82pF
C
F
10kΩ
10kΩ
MAX410
MAX410
MAX412
MAX414
NULL
10Ω
R
V+
I
8
7
C
0.01µF
L
V
OUT
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