ADA4938-2ACPZ-R2 Analog Devices Inc, ADA4938-2ACPZ-R2 Datasheet - Page 8

• Manufacturer Part Number: ADA4938-2ACPZ-R2
• Description: IC ADC DRIVER DUAL DIFF 24LFCSP
• Manufacturer: Analog Devices Inc
• Type: ADC Driverr

Specifications of ADA4938-2ACPZ-R2

• Applications: Data Acquisition
• Mounting Type: Surface Mount
• Package / Case: 24-LFCSP
• No. Of Amplifiers: 2
• Input Offset Voltage: 4mV
• Bandwidth: 1GHz
• Slew Rate: 4700V/µs
• Supply Voltage Range: 4.5V To 11V
• Supply Current: 37mA
• Amplifier Case Style: LFCSP
• No. Of Pins: 24
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADA4938-1/ADA4938-2
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
Table 7. ADA4938-1 Pin Function Descriptions
Pin No.
1
2
3
4
5 to 8
9
10
11
12
13 to 16
EP
NOTES
1. THE EXPOSED PAD IS NOT ELECTRICALLY CONNECTED
TOTHE DEVICE. IT IS TYPICALLY SOLDERED TO GROUND
OR A POWER PLANE ON THE PCB THAT IS THERMALLY
CONDUCTIVE.
Mnemonic
−FB
+IN
−IN
+FB
+V
V
+OUT
−OUT
PD
−V
OCM
S
S
Figure 5. ADA4938-1 Pin Configuration
–FB
+FB
+IN
–IN
1
2
3
4
ADA4938-1
Description
Negative Output Feedback Pin.
Positive Input Summing Node.
Negative Input Summing Node.
Positive Output Feedback Pin.
Positive Supply Voltage.
Output Common-Mode Voltage.
Positive Output for Load Connection.
Negative Output for Load Connection.
Power-Down Pin.
Negative Supply Voltage.
Exposed Paddle. The exposed pad is not
electrically connected to the device. It is
typically soldered to ground or a
power plane on the PCB that is
thermally conductive.
(Not to Scale)
TOP VIEW
PIN 1
INDICATOR
12 PD
11 –OUT
10 +OUT
9 V
OCM
Rev. A | Page 8 of 28
Table 8. ADA4938-2 Pin Function Descriptions
Pin No.
1
2
3, 4
5
6
7
8
9, 10
11
12
13
14
15, 16
17
18
19
20
21, 22
23
24
EP
NOTES
1. THE EXPOSED PAD IS NOT ELECTRICALLY CONNECTED
CONDUCTIVE.
TOTHE DEVICE. IT IS TYPICALLY SOLDERED TO GROUND
OR A POWER PLANE ON THE PCB THAT IS THERMALLY
Mnemonic
−IN1
+FB1
+V
−FB2
+IN2
−IN2
+FB2
+V
V
+OUT2
−OUT2
PD2
−V
V
+OUT1
−OUT1
PD1
−V
−FB1
+IN1
OCM2
OCM1
S1
S2
S2
S1
Figure 6. ADA4938-2 Pin Configuration
+FB1
–FB2
+V
+V
+IN2
–IN1
S1
S1
1
2
3
4
5
6
ADA4938-2
(Not to Scale)
Description
Negative Input Summing Node 1.
Positive Output Feedback Pin 1.
Positive Supply Voltage 1.
Negative Output Feedback Pin 2.
Positive Input Summing Node 2.
Negative Input Summing Node 2.
Positive Output Feedback Pin 2.
Positive Supply Voltage 2.
Output Common-Mode Voltage 2.
Positive Output 2.
Negative Output 2.
Power-Down Pin 2.
Negative Supply Voltage 2.
Output Common-Mode Voltage 1.
Positive Output 1.
Negative Output 1.
Power-Down Pin 1.
Negative Supply Voltage 1.
Negative Output Feedback Pin 1.
Positive Input Summing Node 1.
Exposed Paddle. The exposed pad is
not electrically connected to the
device. It is typically soldered to
ground or a power plane on the PCB
that is thermally conductive.
TOP VIEW
PIN 1
INDICATOR
18
17
16
15
14
13
+OUT1
V
–V
–V
PD2
–OUT2
OCM1
S2
S2