THS4561 Datasheet, PDF (6/35 Pages) Texas Instruments – Low-Power, High Supply Range, 70-MHz, Fully Differential Amplifier

THS4561
SBOS874 – AUGUST 2017
www.ti.com
7.5 Electrical Characteristics: V_S+ – V_S– = 10 V
at T_A = 25°C, V_S+ = 5.0 V, V_S– = –5.0 V, V_OCM = ground, V_O = 2 V_PP, R_F = 1.5 kΩ, R_L = 1 kΩ, 50-Ω input match, differential,
G = 1 V/V, single-ended input, differential output, and input and output referenced to default midsupply for ac-coupled tests
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
TEST
LEVEL
AC PERFORMANCE
SSBW Small-signal bandwidth
GBP
LSBW
Gain-bandwidth product
Large-signal bandwidth
V_o = 100 mV_PP, 1-dB peaking
V_o = 100 mV_PP, G = 2 V/V
V_o = 100 mV_PP, G = 5 V/V
V_o = 100 mV_PP, G = 10 V/V
V_o = 100 mV_PP, G = 10 V/V
70
MHz
C
35
MHz
C
12
MHz
C
6
MHz
C
60
MHz
C
30
MHz
C
Bandwidth for 0.1-dB flatness
5
MHz
C
SR
Slew rate
Derived from V_o = 2 V_PP large-signal
bandwidth
130
V/µs
C
HD2
HD3
e_n
e_i
Over- and undershoot
Rise and fall time
Settling time
Second-order harmonic distortion
Third-order harmonic distortion
Input differential voltage noise
Input current noise, each input
Overdrive recovery time
V_o = 2-V step, input t_r = 20 ns
V_o = 2-V step, input t_r = 20 ns
to 0.1% of final value, V_o = 2-V step,
input t_r = 20 ns
to 0.01% of final value, V_o = 2-V step,
input t_r = 20 ns
f = 100 kHz
f = 100 kHz, V_o = 8 V_PP
f = 100 kHz, V_o = 2 V_PP
f = 100 kHz, V_o = 8 V_PP
f = 200 kHz
f = 100 kHz
G = 2 V/V, 2x output overdrive, dc-coupled
5%
22
40
90
–115
–105
–115
–100
5
0.4
300
C
ns
C
ns
C
ns
C
dBc
C
dBc
C
dBc
C
dBc
C
nV/√Hz
C
pA/√Hz
C
ns
C
z_O
Closed-loop output impedance
DC PERFORMANCE
f = 100 kHz (differential)
0.07
Ω
C
A_OL
INPUT
Open-loop voltage gain
Input-referred offset voltage
Input offset voltage drift
Input bias current (positive current
out of node)
Input bias current drift
Input offset current
Input offset current drift
V_o = ±2 V
T_A = 25°C
T_A = 0°C to 70°C
T_A = -40°C to 85°C
T_A = –40°C to 115°C
T_A = –40°C to 125°C
T_A = 25°C
T_A = 0°C to 70°C
T_A = –40°C to 85°C
T_A = –40°C to 125°C
T_A = –40°C to 125°C
T_A = 25°C
T_A = 0°C to 70°C
T_A = –40°C to 85°C
T_A = –40°C to 125°C
T_A = –40°C to 125°C
104
–200
TBD
TBD
TBD
–2
0.25
–20
TBD
TBD
–120
115
±50
±100
±100
±100
±0.3
0.4
TBD
TBD
TBD
4
±2
TBD
TBD
TBD
±50
dB
A
200 µV
A
TBD µV
B
TBD µV
B
TBD µV
B
2 µV/°C
B
0.6 µA
A
µA
B
µA
B
µA
B
8 nA/°C
B
20 nA
A
TBD nA
B
TBD nA
B
nA
B
150 pA/°C
B
CMRR
Common-mode input low
Common-mode input high
Common-mode rejection ratio
Input impedance differential mode
T_A = 25°C
T_A = –40°C to 125°C
T_A = 25°C
T_A = –40°C to 125°C
Inputs at (V_S+ – V_S–) / 2
Inputs at (V_S+ – V_S–) / 2
V_S+ – 1.2
V_S+ – 1.35
95
V_S– – 0.1
V_S– – 0.1
V_S+ – 1.1
V_S+ – 1.2
110
150||2.4
V_S–
V
A
V_S–
V
B
V
A
V
B
dBc
A
kΩ || pF
C
6
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