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ELECTRICAL CHARACTERISTICS (Continued)

TYPICAL CHARACTERISTICS

Table of Graphs

THS4120

THS4121

SLOS319D – FEBRUARY 2001 – REVISED OCTOBER 2004

V

(1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INPUT CHARACTERISTICS

CMRR Common-mode rejection ratio

64

96

dB

0.35

0.65 to

Common-mode input voltage range

to

V

Input resistance (dc level)

Measured into each input terminal

820

M

Ω

Input capacitance, closed loop

3

pF

Output resistance

See Figure 16

1

Ω

OUTPUT CHARACTERISTICS

High-level output Voltage

3.05

3.15

V

Low-level output Voltage

0.25

0.15

V

80

100

mA

20

25

mA

POWER SUPPLY

Supply voltage range

Single supply

3.3

V

11

13.5

Quiescent current (per amplifier)

mA

16

PSRR

Power-supply rejection ratio

68

85

dB

POWER-DOWN CHARACTERISTICS (THS4120 ONLY)

Enable

>1.4

V

Power down

<1.2

120

Power-down quiescent current

µA

130

Turn-on time delay

4.8

µs

50% of final supply current value

Turn-off time delay

3

ns

Output impedance

f = 1 MHz

1

k

Ω

(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)

For detail information on the power-down circuit, see the power-down section in the application section of this data sheet.

FIGURE

Small-signal frequency response

1

SR

Slew rate

2

vs Frequency

3

THD

Total harmonic distortion

vs Output voltage

4

vs Frequency

5, 6, 7

Harmonic distortion

vs Output voltage

8, 9

Third intermodulation distortion

vs Output voltage

10

Output voltage

vs Load resistance

11

Settling time

12

Voltage noise

vs Frequency

13

Output offset voltage

vs Common-mode input voltage

14

CMMR

Common-mode rejection ratio

vs Frequency

15

Single-ended output impedance (closed loop)

vs Frequency

16

4

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