Datasheet

TYPICAL CHARACTERISTICS
-
-
110
112
114
116
118
120
122
124
126
-
-
-
-
-
-
-
EIN(dBu)
9 12 15 18 21 24 27 30 33 36 39 42
45
48 51
54 57
60
Gain(dB)
-
-
110
112
114
116
118
120
122
124
126
-
-
-
-
-
-
-
EIN(dBu)
9 12 15 18 21 24 27 30 33 36 39 42
45
48 51
54 57
60
Gain(dB)
0.01
0.001
0.0001
TotalHarmonicDistortion+Noise(%)
9 12 15 18 21 24 27 30 33 36 39 42
45
48 51
54 57
60
Gain(dB)
V =4.0V
Z =40W
OUT RMS
S
-60
70
80
90
100
110
120
130
-
-
-
-
-
-
-
THD+NandNoise(dB)
9 12 15 18 21 24 27 30 33 36 39 42
45
48 51
54 57
60
Gain(dB)
THD+N
withZ =40
S
W
V =4.0V
OUT RMS
Noise
with 0
Reference0dB
Z =
S
W
=4.0V
RMS
0.1
0.01
0.001
0.0001
THD+NRatio(%)
20 100
1k 10k 20k
Frequency(Hz)
V =4.0V DifferentialforGains=
12dB,24dB,30dB,36dB,48dB,and60dB
OUT RMS
V =3.5V DifferentialforGain=0dB
OUT RMS
60dB
48dB
36dB
24dB
0dB
12dB
30dB
0.1
0.01
0.001
0.0001
THD+NRatio(%)
20 100
1k 10k 20k
Frequency(Hz)
V =2.0V DifferentialforGains=12dB,
24dB,30dB,36dB,48dB,and60dB
OUT RMS
60dB
48dB
36dB
30dB
24dB
12dB
0dB
V =1V DifferentialforGain=0dB
OUT RMS
PGA2505
SBOS396B – MARCH 2009 – REVISED JUNE 2009 ......................................................................................................................................................... www.ti.com
At T
A
= +25 ° C, VA+ = +5V, VA – = – 5V, VD – = – 5V, and V
COM
IN = 0V, unless otherwise noted.
EQUIVALENT INPUT NOISE AS A FUNCTION OF GAIN EQUIVALENT INPUT NOISE AS A FUNCTION OF GAIN
WITH Z
S
= 0 Ω WITH Z
S
= 150 Ω
Figure 1. Figure 2.
THD+N vs GAIN THD+N vs GAIN AND NOISE vs GAIN
Figure 3. Figure 4.
THD + N vs FREQUENCY THD + N vs FREQUENCY
(Z
S
= 40 Ω , R
L
= 600 Ω , V
COM
IN = 0V, BW = 22Hz to 22kHz) (Z
S
= 40 Ω , R
L
= 600 Ω , V
COM
IN = +2.5V, BW = 22Hz to 22kHz)
Figure 5. Figure 6.
6 Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): PGA2505