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THS4121CD Datasheet, PDF (3/30 Pages) Texas Instruments – HIGH-SPEED FULLY DIFFERENTIAL I/O AMPLIFIERS | |||
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RECOMMENDED OPERATING CONDITIONS
VDD Supply voltage
TA
Operating free-air temperature
Split supply
Single supply
C suffix
I suffix
THS4120
THS4121
SLOS319D â FEBRUARY 2001 â REVISED OCTOBER 2004
MIN TYP MAX UNIT
±1.5 ±1.65 ±1.75
V
3 3.3 3.5
0
70
°C
â40
85
ELECTRICAL CHARACTERISTICS
VDD = 3.3 V, RL = 800 â¦, TA = 25°C (unless otherwise noted)(1)
PARAMETER
TEST CONDITIONS
MIN TYP
DYNAMIC PERFORMANCE
BW
Small-signal bandwidth (â3 dB)
SR
Slew rate(2)
Settling time to 0.1%
ts
Settling time to 0.01%
VDD = 3.3 V,
Gain = 1, Rf = 200 â¦
100
VDD = 3.3 V,
Gain = 1
55
60
Differential step voltage = 2 VPP, Gain = 1
292
DISTORTION PERFORMANCE
Total harmonic distortion
THD Differential input, differential output
VDD = 3.3 V,
f = 1 MHz
â75
Gain = 1, Rf = 200 â¦, RL = 800 â¦, VO = 2 VPP
Total harmonic distortion
THD Differential input, differential output
VDD = 3.3 V,
f = 1 MHz
â66
Gain = 1, Rf = 200 â¦, RL = 800 â¦, VO = 4 VPP
Spurious free dynamic range (SFDR)
Differential input, differential output, VO = 4 VPP
Rf = 200 â¦,
f = 1 MHz
â69
Third intermodulation distortion
VI = 0.071 VRMS
Gain = 1, f = 10 MHz
â75
NOISE PERFORMANCE
Vn
Input voltage noise
f = 10 kHz
5.4
In
Input current noise
f = 10 kHz
1
DC PERFORMANCE
Open-loop gain
Input offset voltage
VS
Input offset voltage, referred to VOCM
Offset voltage drift
IIB
Input bias current
IOS
Input offset current
Current offset drift
TA = 25°C
TA = full range
TA = 25°C
TA = full range
TA = 25°C
TA = full range
TA = full range
TA = full range
TA = full range
60 66
66
3
4
5
25
1.2
100
5
(1) The full range temperature is 0°C to 70°C for the C suffix, and â40°C to 85°C for the I suffix.
(2) Slew rate is measured differentially from an output level range of 25% to 75%.
MAX UNIT
MHz
V/µs
ns
dB
dB
dB
dBc
nV/âHz
fA/âHz
dB
8
9
mV
13
14
µV/°C
pA
fA
fA/°C
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