ADA4938-2ACPZ-RL Analog Devices Inc, ADA4938-2ACPZ-RL Datasheet - Page 22

• Manufacturer Part Number: ADA4938-2ACPZ-RL
• Description: IC,Differential Amplifier,DUAL,LLCC,24PIN,PLASTIC
• Manufacturer: Analog Devices Inc
• Type: ADC Driverr

Specifications of ADA4938-2ACPZ-RL

• Applications: Data Acquisition
• Mounting Type: Surface Mount
• Package / Case: 24-LFCSP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Nominal
Gain (V/V)
1
2
3.16
5
ADA4938-1/ADA4938-2
Table 10 and Table 11 list several common gain settings, associated
resistor values, input impedances, and output noise densities for
both balanced and unbalanced input configurations. Also shown
Table 10. Differential Ground-Referenced Input, DC-Coupled; See Figure 59
Nominal
Gain (V/V)
1
2
3.16
5
Table 11. Single-Ended Ground-Referenced Input, DC-Coupled, R
1
2
R
Includes effects of termination match.
G2
= R
G1
+ R
TS.
R
200
402
402
402
F
(Ω) R
R
200
402
402
402
F
(Ω)
200
200
127
80.6
G1
(Ω) R
R
200
200
127
80.6
G
60.4
60.4
66.5
76.8
(Ω)
T
(Ω) R
267
300
205
138
R
400
400
254
161
IN,se
IN, dm
(Ω) R
(Ω)
226
226
158
110
G2
(Ω)
Differential
Output
Noise Density
(nV/√Hz)
6.5
10.4
13.4
18.2
1
Overall
Gain (V/V)
0.9
1.8
2.5
3.6
Rev. A | Page 22 of 28
2
Differential
Output
Noise
Density
(nV/√Hz)
6.2
9.8
11.8
14.7
S
= 50 Ω; See Figure 60
V
1.25
0.83
0.60
0.42
OCM
are the input common-mode voltages under the given conditions
for different V
±5 V dual supplies.
= 2.5 V
+V
V
OUT, dm
S
V
1.00 to 1.50
0.66 to 1.00
0.48 to 0.72
0.33 to 0.50
= 10 V, −V
OCM
+V
= 2.5 V
= 2.0 V p-p
Common-Mode Level at +IN, −IN (V)
V
OUT, dm
S
OCM
= 10 V, −V
V
1.75
1.16
0.84
0.58
OCM
S
settings for both a 10 V single supply and
= 0 V
Common-Mode Swing at +IN, −IN (V)
= 2.0 V p-p
= 3.5 V
V
1.50 to 2.00
1.00 to 1.33
0.72 to 0.96
0.50 to 0.67
OCM
S
= 0 V
= 3.5 V
V
0.50
0.33
0.24
0.17
OCM
V
−0.25 to +0.25
−0.17 to +0.17
−0.12 to +0.12
−0.08 to +0.08
OCM
= 1.0 V
+V
V
= 0 V
+V
OUT, dm
S
V
= 5 V, −V
S
OUT, dm
= 5 V, −V
= 2.0 V p-p
= 2.0 V p-p
V
1.60
1.06
0.77
0.53
S
OCM
V
0.75 to 1.25
0.50 to 0.83
0.36 to 0.60
0.25 to 0.42
= −5 V
S
OCM
= −5 V
= 3.2 V
= 2.0 V