THS4561 Datasheet, PDF (11/35 Pages) Texas Instruments – Low-Power, High Supply Range, 70-MHz, Fully Differential Amplifier

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THS4561
SBOS874 – AUGUST 2017
7.7 Electrical Characteristics: V_S+ – V_S– = 3 V
at T_A = 25℃, V_S+ = 3.0 V, V_S– = 0 V, V_OCM = Open, V_O = 1 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
65
MHz
C
35
MHz
C
11
MHz
C
5.5
MHz
C
55
MHz
C
20
MHz
C
Bandwidth for 0.1-dB flatness
6
MHz
C
SR
Slew rate
Derived from V_o = 2 V_PP large signal
bandwidth
80
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 = 1-V step input t_r = 10 ns
V_o = 1-V step, input t_r = 10 ns
to 0.1% of final value, V_o = 1-V step,
input t_r = 10 ns
to 0.01% of final value, V_o = 1-V step,
input t_r = 10 ns
f = 100 kHz
f = 100 kHz, V_o = 4 V_PP
f = 100 kHz
f = 100 kHz, V_o = 4 V_PP
f = 200 Hz
f = 20 kHz
G = 2 V/V, 2x output overdrive, dc-coupled
10%
17
40
100
–110
–105
–115
–105
5
0.35
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)
0.08
Ω
C
A_OL
Open-loop voltage gain
Internal feedback trace resistance RGT only (between pins 1,11 and 4,10)
102
110
8.3
8.5
dB
A
8.7 Ω
A
Internal feedback trace resistance
mismatch
RGT only (between pins 1,11 and 4,10)
–0.25
0.25 Ω
A
INPUT
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
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
–200
TBD
TBD
TBD
–2
0.15
–20
TBD
TBD
–120
±50
±100
±100
±100
±0.3
0.35
TBD
TBD
TBD
4
±2
TBD
TBD
TBD
±50
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
6 nA/°C
B
20 nA
A
TBD nA
B
TBD nA
B
nA
B
120 pA/°C
B
Common-mode input low
Common-mode input high
T_A = 25°C
T_A = –40°C to 125°C
T_A = 25°C
T_A = –40°C to 125°C
V_S+ – 1.2
V_S+ – 1.35
V_S– – 0.1
V_S– – 0.1
V_S+ – 1.1
V_S+ – 1.2
V_S–
V
A
V_S–
V
B
V
A
V
B
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