THS4120 Datasheet, PDF (3/23 Pages) Texas Instruments – HIGH-SPEED FULLY DIFFERENTIAL I/O AMPLIFIERS

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RECOMMENDED OPERATING CONDITIONS
V_DD Supply voltage
T_A
Operating free-air temperature
Split supply
Single supply
C suffix
I suffix
THS4120
THS4121
SLOS319D – FEBRUARY 2001 – REVISED OCTOBER 2004
MIN TYP MAX UNIT
±1.5 ±1.65 ±1.75
V
3 3.3 3.5
0
70
°C
–40
85
ELECTRICAL CHARACTERISTICS
V_DD = 3.3 V, R_L = 800 Ω, T_A = 25°C (unless otherwise noted)⁽¹⁾
PARAMETER
TEST CONDITIONS
DYNAMIC PERFORMANCE
BW
Small-signal bandwidth (–3 dB)
SR
Slew rate⁽²⁾
Settling time to 0.1%
t_s
Settling time to 0.01%
V_DD = 3.3 V,
V_DD = 3.3 V,
Gain = 1, R_f = 200 Ω
Gain = 1
Differential step voltage = 2 V_PP, Gain = 1
DISTORTION PERFORMANCE
THD
THD
Total harmonic distortion
Differential input, differential output
Gain = 1, R_f = 200 Ω, R_L = 800 Ω, V_O = 2 V_PP
Total harmonic distortion
Differential input, differential output
Gain = 1, R_f = 200 Ω, R_L = 800 Ω, V_O = 4 V_PP
Spurious free dynamic range (SFDR)
Differential input, differential output, V_O = 4 V_PP
Third intermodulation distortion
NOISE PERFORMANCE
V_DD = 3.3 V,
V_DD = 3.3 V,
R_f = 200 Ω,
V_I = 0.071 V_RMS
f = 1 MHz
f = 1 MHz
f = 1 MHz
Gain = 1, f = 10 MHz
V_n
Input voltage noise
I_n
Input current noise
DC PERFORMANCE
f = 10 kHz
f = 10 kHz
Open-loop gain
Input offset voltage
V_S
Input offset voltage, referred to V_OCM
Offset voltage drift
I_IB
Input bias current
I_OS
Input offset current
Current offset drift
T_A = 25°C
T_A = full range
T_A = 25°C
T_A = full range
T_A = 25°C
T_A = full range
T_A = full range
T_A = full range
T_A = full range
(1) The full range temperature is 0°C to 70°C for the C suffix, and –40°C to 85°C for the I suffix.
(2) Slew rate is measured differentially from an output level range of 25% to 75%.
MIN TYP
100
55
60
292
–75
–66
–69
–75
5.4
1
60 66
66
3
4
5
25
1.2
100
5
MAX UNIT
MHz
V/µs
ns
dB
dB
dB
dBc
nV/√Hz
fA/√Hz
dB
8
9
mV
13
14
µV/°C
pA
fA
fA/°C
3