TS4871IST_集成电路资料查询网

TS4871
7/28
图. 10 : 电源 供应 拒绝 比率 (psrr)
vs 电源 供应
图. 12 : 电源 供应 拒绝 比率 (psrr)
vs 绕过 电容
图. 14 : 电源 供应 拒绝 比率 (psrr)
vs 反馈 电阻
图. 11 : 电源 供应 拒绝 比率 (psrr)
vs 反馈 电容
图. 13 : 电源 供应 拒绝 比率 (psrr)
vs 输入 电容
10 100 1000 10000 100000
-80
-70
-60
-50
-40
-30
vcc = 5v, 3.3v &放大; 2.6v
cb = 1
µ
f &放大; 0.1
µ
F
vripple = 200mvrms
rfeed = 22
Ω
输入 = floating
rl = 8
Ω
tamb  = 25
°
C
psrr (db)
频率 (hz)
10 100 1000 10000 100000
-80
-70
-60
-50
-40
-30
-20
-10
Cb=100
µ
F
Cb=10
µ
F
Cb=47
µ
F
Cb=1
µ
F
vcc = 5, 3.3 &放大; 2.6v
rfeed = 22k
rin = 22k, cin = 1
µ
F
rg = 100
Ω
, rl = 8
Ω
tamb  = 25
°
C
psrr (db)
频率 (hz)
10 100 1000 10000 100000
-80
-70
-60
-50
-40
-30
-20
-10
Rfeed=10k
Ω
Rfeed=22k
Ω
Rfeed=47k
Ω
Rfeed=110k
Ω
vcc = 5, 3.3 &放大; 2.6v
cb = 1
µ
f &放大; 0.1
µ
F
vripple = 200mvrms
输入 = floating
rl = 8
Ω
tamb  = 25
°
C
psrr (db)
频率 (hz)
10 100 1000 10000 100000
-80
-70
-60
-50
-40
-30
-20
-10
Cfeed=680pF
Cfeed=330pF
Cfeed=150pF
Cfeed=0
vcc = 5, 3.3 &放大; 2.6v
cb = 1
µ
f &放大; 0.1
µ
F
rfeed = 22k
Ω
vripple = 200mvrms
输入 = floating
rl = 8
Ω
tamb  = 25
°
C
psrr (db)
频率 (hz)
10 100 1000 10000 100000
-60
-50
-40
-30
-20
-10
vcc = 5, 3.3 &放大; 2.6v
rfeed = 22k
Ω
, rin = 22k
cb = 1
µ
F
rg = 100
Ω
, rl = 8
Ω
tamb  = 25
°
C
Cin=22nF
Cin=100nF
Cin=220nF
Cin=330nF
Cin=1
µ
F
psrr (db)
频率 (hz)

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TS4871 7/28 图. 10 : 电源供应拒绝比率 (psrr) vs 电源供应图. 12 : 电源供应拒绝比率 (psrr) vs 绕过电容图. 14 : 电源供应拒绝比率 (psrr) vs 反馈电阻图. 11 : 电源供应拒绝比率 (psrr) vs 反馈电容图. 13 : 电源供应拒绝比率 (psrr) vs 输入电容 10 100 1000 10000 100000 -80 -70 -60 -50 -40 -30 vcc = 5v, 3.3v &放大; 2.6v cb = 1 µ f &放大; 0.1 µ F vripple = 200mvrms rfeed = 22 Ω 输入 = floating rl = 8 Ω tamb = 25 ° C psrr (db) 频率 (hz) 10 100 1000 10000 100000 -80 -70 -60 -50 -40 -30 -20 -10 Cb=100 µ F Cb=10 µ F Cb=47 µ F Cb=1 µ F vcc = 5, 3.3 &放大; 2.6v rfeed = 22k rin = 22k, cin = 1 µ F rg = 100 Ω , rl = 8 Ω tamb = 25 ° C psrr (db) 频率 (hz) 10 100 1000 10000 100000 -80 -70 -60 -50 -40 -30 -20 -10 Rfeed=10k Ω Rfeed=22k Ω Rfeed=47k Ω Rfeed=110k Ω vcc = 5, 3.3 &放大; 2.6v cb = 1 µ f &放大; 0.1 µ F vripple = 200mvrms 输入 = floating rl = 8 Ω tamb = 25 ° C psrr (db) 频率 (hz) 10 100 1000 10000 100000 -80 -70 -60 -50 -40 -30 -20 -10 Cfeed=680pF Cfeed=330pF Cfeed=150pF Cfeed=0 vcc = 5, 3.3 &放大; 2.6v cb = 1 µ f &放大; 0.1 µ F rfeed = 22k Ω vripple = 200mvrms 输入 = floating rl = 8 Ω tamb = 25 ° C psrr (db) 频率 (hz) 10 100 1000 10000 100000 -60 -50 -40 -30 -20 -10 vcc = 5, 3.3 &放大; 2.6v rfeed = 22k Ω , rin = 22k cb = 1 µ F rg = 100 Ω , rl = 8 Ω tamb = 25 ° C Cin=22nF Cin=100nF Cin=220nF Cin=330nF Cin=1 µ F psrr (db) 频率 (hz)

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