TPS7A39
www.ti.com.cn
ZHCSGP0A –JULY 2017–REVISED SEPTEMBER 2017
Typical Characteristics (接下页)
at TJ = 25°C, VINP = VOUTP(nom) + 1.0 V or VIN = 3.3 V (whichever is greater), VINN = VOUTN(nom) – 1 V or –3.3 V (whichever is
less), VEN = VIN, IOUT = 1 mA, CIN = 10-μF ceramic, COUT = 10-μF ceramic, and CFFP = CFFN = CNR/SS = 10 nF (unless otherwise
noted)
10
5
10
5
VOUT
VOUT
1.188 V, 20.63 mVRMS
5 V, 26.86 mVRMS
15 V, 63.88 mVRMS
-1.188 V, 22.13 mVRMS
-5 V, 28.68 mVRMS
-15 V, 47.10 mVRMS
2
1
2
1
0.5
0.5
0.2
0.1
0.2
0.1
0.05
0.05
0.02
0.01
0.02
0.01
0.005
0.005
0.002
0.001
0.002
0.001
10
100
1k
10k
100k
1M
10M
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Frequency (Hz)
IOUTP = 150 mA, VINP = VEN, VOUTN = –VOUTP, IOUTN = 0 mA,
CNR/SS = CFFx = 10 nF
IOUTN = –150 mA, VINP = VEN, VOUTN = –VOUTP, IOUTP = 0 mA,
CNR/SS = CFFx = 10 nF
图 14. Positive Spectral Noise Density vs Frequency and
图 15. Negative Spectral Noise Density vs Frequency and
VOUTP
VOUTN
10
10
CNR/SS
CNR/SS
5
5
0 nF, 68.08 mVRMS
10 nF, 26.86 mVRMS
100 nF, 21.74 mVRMS
1000 nF, 21.56 mVRMS
0 nF, 53.32 mVRMS
10 nF, 26.68 mVRMS
100 nF, 23.21 mVRMS
1000 nF, 23.06 mVRMS
2
1
2
1
0.5
0.5
0.2
0.1
0.2
0.1
0.05
0.05
0.02
0.01
0.02
0.01
0.005
0.005
0.002
0.001
0.002
0.001
10
100
1k
10k
100k
1M
10M
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Frequency (Hz)
VOUTP = 5 V, IOUTP = 150 mA, VINP = VEN = 6 V, VOUTN = –5 V,
IOUTN = 0 mA, CFFx = 10 nF
VOUTN = –5 V, IOUTN = –150 mA, VINP = VEN = 6 V, VOUTN = –5 V,
IOUTP = 0 mA, CFFx = 10 nF
图 16. Positive Spectral Noise Density vs Frequency and
图 17. Negative Spectral Noise Density vs Frequency and
CNR/SS
CNR/SS
10
10
CFF
CFF
5
5
0 nF, 37.77 mVRMS
10 nF, 26.86 mVRMS
100 nF, 22.95 mVRMS
0 nF, 45.08 mVRMS
10 nF, 26.68 mVRMS
100 nF, 23.53 mVRMS
2
1
2
1
0.5
0.5
0.2
0.1
0.2
0.1
0.05
0.05
0.02
0.01
0.02
0.01
0.005
0.005
0.002
0.001
0.002
0.001
10
100
1k
10k
100k
1M
10M
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Frequency (Hz)
VOUTP = 5 V, IOUTP = 150 mA, VINP = VEN = 6 V, VOUTN = –5 V,
IOUTN = 0 mA, CNR/SS = 10 nF
VOUTN = –5 V, IOUTN = –150 mA, VINP = VEN = 6 V, VOUTN = –5 V,
IOUTP = 0 mA, CNR/SS = 10 nF
图 18. Positive Spectral Noise Density vs Frequency and CFF
图 19. Negative Spectral Noise Density vs Frequency and
CFF
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