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THS4521 bảng dữ liệu(PDF) 3 Page - Texas Instruments

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tên linh kiện THS4521
Giải thích chi tiết về linh kiện  VERY LOW POWER, NEGATIVE RAIL INPUT, RAIL-TO-RAIL OUTPUT, FULLY DIFFERENTIAL AMPLIFIER
PDF  43 Pages
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THS4521 bảng dữ liệu(HTML) 3 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS: VS+ – VS– = 3.3 V
THS4521
THS4522
THS4524
www.ti.com.................................................................................................................................................... SBOS458B – DECEMBER 2008 – REVISED MAY 2009
At VS+ = +3.3 V, VS– = 0 V, VOCM = open, VOUT = 2 VPP (differential), RL = 1 kΩ differential, G = 1 V/V, single-ended input,
differential output, input and output referenced to midsupply, unless otherwise noted.
THS4521, THS4522, THS4524
TEST
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
LEVEL(1)
AC PERFORMANCE
Small-Signal Bandwidth
VOUT = 100 mVPP, G = 1
135
MHz
C
VOUT = 100 mVPP, G = 2
49
MHz
C
VOUT = 100 mVPP, G = 5
18.6
MHz
C
VOUT = 100 mVPP, G = 10
9.3
MHz
C
Gain Bandwidth Product
VOUT = 100 mVPP, G = 10
93
MHz
C
Large-Signal Bandwidth
VOUT = 2 VPP, G = 1
95
MHz
C
Bandwidth for 0.1-dB Flatness
VOUT = 2 VPP, G = 1
20
MHz
C
Rising Slew Rate (Differential)
VOUT = 2-V Step, G = 1, RL = 200 Ω
420
V/
µs
C
Falling Slew Rate (Differential)
VOUT = 2-V Step, G = 1, RL = 200 Ω
460
V/
µs
C
Overshoot
VOUT = 2-V Step, G = 1, RL = 200 Ω
1.2
%
C
Undershoot
VOUT = 2-V Step, G = 1, RL = 200 Ω
2.1
%
C
Rise Time
VOUT = 2-V Step, G = 1, RL = 200 Ω
4
ns
C
Fall Time
VOUT = 2-V Step, G = 1, RL = 200 Ω
3.5
ns
C
Settling Time to 1%
VOUT = 2-V Step, G = 1, RL = 200 Ω
13
ns
C
Harmonic Distortion
2nd harmonic
f = 10 kHz, VOUT = 1 VRMS
–133
dBc
C
f = 1 MHz, VOUT = 2 VPP
–85
dBc
C
3rd harmonic
f = 10 kHz, VOUT = 1 VRMS
–140
dBc
C
f = 1 MHz, VOUT = 2 VPP
–90
dBc
C
Two-tone, f1 = 2 MHz, f2 = 2.2 MHz,
Second-Order Intermodulation Distortion
–83
dBc
C
VOUT = 2-VPP envelope
Two-tone, f1 = 2 MHz, f2 = 2.2 MHz,
Third-Order Intermodulation Distortion
–90
dBc
C
VOUT = 2-VPP envelope
Input Voltage Noise
f > 10 kHz
4.6
nV/
√Hz
C
Input Current Noise
f > 100 kHz
0.6
pA/
√Hz
C
Overdrive Recovery Time
Overdrive = ±0.5 V
80
ns
C
Output Balance Error
VOUT = 100 mV, f ≤ 2 MHz (differential input)
–57
dB
C
Closed-Loop Output Impedance
f = 1 MHz (differential)
0.3
Ω
C
Channel-to-Channel Crosstalk (THS4522,
f = 10 kHz, measured differentially
–125
dB
C
THS4524)
DC PERFORMANCE
Open-Loop Voltage Gain (AOL)
100
116
dB
A
Input-Referred Offset Voltage
TA = +25°C
±0.2
±2
mV
A
TA = –40°C to +85°C
±0.5
±3.5
mV
B
Input offset voltage drift(2)
TA = –40°C to +85°C
±2
µV/°C
C
Input Bias Current
TA = +25°C
0.65
0.85
µA
B
TA = –40°C to +85°C
0.75
0.95
µA
B
Input bias current drift(2)
TA = –40°C to +85°C
±1.75
±2
nA/°C
B
Input Offset Current
TA = +25°C
±50
±60
pA
B
TA = –40°C to +85°C
±60
±70
pA
B
Input offset current drift(2)
TA = –40°C to +85°C
±0.16
±0.25
pA/°C
B
(1)
Test levels: (A) 100% tested at +25°C. Over temperature limits set by characterization and simulation. (B) Limits set by characterization
and simulation. (C) Typical value only for information.
(2)
Input Offset Voltage Drift, Input Bias Current Drift, and Input Offset Current Drift are average values calculated by taking data at –40°C
and +85°C, computing the difference, and dividing by 125.
Copyright © 2008–2009, Texas Instruments Incorporated
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Product Folder Link(s): THS4521 THS4522 THS4524



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