THS4551 Datasheet, PDF (9/70 Pages) Texas Instruments – Low-Noise, Precision, 150-MHz, Fully Differential Amplifier

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THS4551
SBOS778A – APRIL 2016 – REVISED AUGUST 2016
Electrical Characteristics: (V_S+) – (V_S–) = 3 V (continued)
at T_A ≈ 25°C, VOCM pin = open, R_F = 1 kΩ, R_L = 1 kΩ, V_OUT = 2 V_PP, 50-Ω input match, G = 1 V/V, PD = V_S+, single-ended
input, differential output, and input and output referenced to default midsupply for ac-coupled tests (unless otherwise noted);
see Figure 61 for a gain of 1-V/V test circuit
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
TEST
LEVEL ⁽¹⁾
INPUT
Common-mode input, low
< 3-dB degradation in
CMRR from midsupply
T_A = 25°C
T_A = –40°C to +125°C
(V_S–) – 0.2 (V_S–) – 0.1
V
A
(V_S–) – 0.1
V_S–
B
Common-mode input, high
< 3-dB degradation in
CMRR from midsupply
T_A = 25°C
(V_S+) – 1.2 (V_S+) –1.1
T_A = –40°C to +125°C (V_S+) – 1.3 (V_S+) –1.2
A
V
B
CMRR Common-mode rejection ratio
Input pins at [(V_S+) – (V_S–)] / 2
90
110
dB
A
Input impedance differential mode Input pins at [(V_S+) – (V_S–)] / 2
100 || 1.2
kΩ || pF
C
OUTPUT
V_OL
Output voltage, low
T_A = 25°C
T_A = –40°C to +125°C
(V_S–) + 0.2
(V_S–) +
0.21
A
V
(V_S–) + 0.2
(V_S–) +
0.22
B
V_OH
Output voltage, high
T_A = 25°C
T_A = –40°C to +125°C
(V_S+) –
0.21
(V_S+) – 0.2
(V_S+) –
0.22
(V_S+) – 0.2
A
V
B
Continuous output current
Linear output current
POWER SUPPLY
±1.4 V, R_L = 40 Ω,
V_OCM offset < 15 mV
±1.2 V, R_L = 40 Ω,
V_OCM offset < ±15 mV
±1.4 V, R_L = 50 Ω,
A_OL > 80 dB
±1 V, R_L = 50 Ω,
A_OL > 80 dB
T_A = 25°C
T_A = –40°C to +125°C
T_A = 25°C
T_A = –40°C to +125°C
±35
±40
±30
±28
±35
±20
A
mA
B
A
mA
B
Specified operating voltage
I_Q
Quiescent operating current
dI_Q/dT
Quiescent current temperature
coefficient
T_A ≈ 25°C⁽⁵⁾, V_S+ = 3 V
T_A = –40°C to +125°C, V_S+ = 3 V
V_S+ = 3 V
2.7
3
5.4 V
B
1.24
1.31
1.40
A
mA
0.96
1.84
B
2.0
3.4
5.0 µA/°C
B
±PSRR Power-supply rejection ratio
POWER-DOWN
Either supply pin to differential V_OUT
90
105
dB
A
Enable voltage threshold
Specified on above 1.7 V
(V_S–) + 1.15
V
A
Disable voltage threshold
Specified off below 0.7 V
(V_S–) + 0.55
V
A
Disable pin bias current
PD = V_S– → V_S+
–100
±10
100 nA
B
I_Q(PD) Power-down quiescent current
1.5
8 µA
A
t_ON
Turn-on time delay
Time from PD = low to V_OUT = 90% of final value
750
ns
C
t_OFF
Turn-off time delay
Time from PD = low to V_OUT = 10% of final value
150
ns
C
(5) T_A = 25°C and I_CC ≈ 1.31 mA. The test limit is expanded for the ATE ambient range of 22°C to 32°C with a 4-µA/°C I_CC temperature
coefficient considered; see Figure 95.
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