THS4521-HT_15 Datasheet, PDF (5/27 Pages) Texas Instruments – VERY LOW POWER, NEGATIVE RAIL INPUT,RAIL-TO-RAIL OUTPUT, FULLY DIFFERENTIAL AMPLIFIER

THS4521-HT
www.ti.com
SBOS548D – APRIL 2011 – REVISED MAY 2012
ELECTRICAL CHARACTERISTICS: V_S+ – V_S– = 3.3 V
At V_S+ = 3.3 V, V_S– = 0 V, V_OCM = open, V_OUT = 2 V_PP (differential), R_L = 1 kΩ differential, G = 1 V/V, single-ended input,
differential output, input and output referenced to midsupply, unless otherwise noted.
PARAMETER
CONDITIONS
-55°C to 125°C
175°C
MIN TYP MAX MIN TYP MAX
-55°C to 210°C
MIN TYP MAX UNIT
TEST
LEVEL ⁽¹⁾
AC PERFORMANCE
Small-Signal Bandwidth
V_OUT = 100 mV_PP,
G=1
104.3
40.7
40.7
MHz
C
V_OUT = 100 mV_PP,
G=2
42
12.5
12.5
MHz
C
V_OUT = 100 mV_PP,
G=5
12.2
3.15
3.15
MHz
C
V_OUT = 100 mV_PP,
G = 10
8.1
2.2
2.2
MHz
C
Gain Bandwidth
Product
V_OUT = 100 mV_PP,
G = 10
81
22
22
MHz
C
Large-Signal Bandwidth
V_OUT = 2 V_PP, G = 1
84
22
Bandwidth for 0.1-dB
Flatness
V_OUT = 2 V_PP, G = 1
18.1
5.4
22
MHz
C
5.4
MHz
C
Rising Slew Rate
(Differential)
Falling Slew Rate
(Differential)
Overshoot
Undershoot
Rise Time
Fall Time
Settling Time to 1%
HARMONIC DISTORTION
V_OUT = 2-V Step,
G = 1, R_L = 200 Ω
V_OUT = 2-V Step,
G = 1, R_L = 200 Ω
V_OUT = 2-V Step,
G = 1, R_L = 200 Ω
V_OUT = 2-V Step,
G = 1, R_L = 200 Ω
V_OUT = 2-V Step,
G = 1, R_L = 200 Ω
V_OUT = 2-V Step,
G = 1, R_L = 200 Ω
V_OUT = 2-V Step,
G = 1, R_L = 200 Ω
377.5
422.5
6.75
7.85
13.5
11.4
18.5
353.5
392.5
8.85
11.45
15.9
14.6
23.5
353.5
392.5
8.85
11.45
15.9
14.6
23.5
V/μs
C
V/μs
C
%
C
%
C
ns
C
ns
C
ns
C
f = 1 kHz,
V_OUT = 1 V_RMS,
G = 1⁽²⁾,
–115
–96
2nd harmonic
differential input
–96
dBc
C
3rd harmonic
f = 1 MHz,
V_OUT = 2 V_PP, G = 1
f = 1 kHz,
V_OUT = 1 V_RMS,
G = 1⁽²⁾,
differential input
–77
–116
–68.5
–91.5
–68.5
–91.5
dBc
C
dBc
C
Second-Order
Intermodulation
Distortion
Third-Order
Intermodulation
Distortion
Input Voltage Noise
f = 1 MHz,
V_OUT = 2 V_PP, G = 1
Two-tone, f₁ = 2 kHz,
f₂ = 500 Hz,
V_OUT = 1 V_RMS envelope
Two-tone, f₁ = 2 kHz,
f₂ = 500 Hz,
V_OUT = 1 V_RMS envelope
f > 10 kHz
–80.5
–91.5
–95.5
9.05
–68.5
–79.5
–79.5
19.95
–68.5
–79.5
–79.5
19.95
dBc
C
dBc
C
dBc
C
nV/√Hz
C
Input Current Noise
f > 100 kHz
1.8
2.45
2.45
pA/√Hz
C
Overdrive Recovery
Time
Overdrive = ±0.5 V
116.5
126
126
ns
C
Output Balance Error
V_OUT = 100 mV,
f ≤ 2 MHz (differential input)
–51.5
–45.5
–45.5
dB
C
Closed-Loop Output
Impedance
f = 1 MHz (differential)
0.3
Ω
C
(1) Test levels: (A) 100% tested. (B) Limits set by characterization and simulation. (C) Typical value only for information.
(2) Not directly measureable; calculated using noise gain of 101.
Copyright © 2011–2012, Texas Instruments Incorporated
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