that1570 THAT Corporation, that1570 Datasheet - Page 3

• Manufacturer Part Number: that1570
• Description: Low-noise, Differential Audio Preamplifier Ic
• Manufacturer: THAT Corporation

THAT1570 Low-Noise
Differential Audio Preamplifier
Parameter
AC Characteristics
Gain Equation
Feedback Impedance
Differential Gain
Power Supply Rejection Ratio
Bandwidth -3dB
Slew Rate
Total Harmonic Distortion
Equivalent Input Noise Voltage
Equivalent Input Noise Current
Noise Figure
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THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA
Electrical Characteristics (con’t)
Copyright © 2009, THAT Corporation; All rights reserved.
f
-3dB
THD + N
Symbol
R
PSRR
G
G
SR
A
NF
e
i
DIFF
, R
DIFF
N
N
B
Inputs connected to GND; BW=22kHz
V
f=1kHz; BW=22kHz; 60 dB gain
OUT
V
Differential in to differential out
See Figure 2. (R
OUT
Programmed by R
V
= 10V
60 dB gain; R
CC
= 5V
Small signal; R
= -V
R
Page 3 of 12
R
R
A
Small signal
P-P
≤10 dB gain
RMS
A
A
20 dB gain
40 dB gain
60 dB gain
20 dB gain
40 dB gain
50 dB gain
60 dB gain
20 dB gain
40 dB gain
60 dB gain
20 dB gain
40 dB gain
60 dB gain
Conditions
= R
0 dB gain
0 dB gain
0 dB gain
6 dB gain
EE
= R
= R
All gains
; R
; f=1kHz; BW=22kHz
; ±5V to ±20V
B
L
B
B
=2kΩ ; C
= 10 kΩ
= 2 kΩ
= 5 kΩ
G
S
= R
= 150 Ω
A
G
, R
GV
=∞
B
L
+ R
=100pF
, R
G
GF
)
Min
1,3,4,5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
0
1 + (R
0.0003
0.0003
0.0008
0.006
A
10.5
18.5
10.4
Typ
105
105
105
600
4.2
1.7
4.2
1.9
3.5
1.4
1.5
—
—
97
12
14
53
+ R
1
2
Document 600132 Rev 01
B
) / R
G
Max
70
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—
—
—
—
—
—
—
—
—
—
—
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
pA/√Hz
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
V/μs
kHz
kΩ
dB
dB
dB
dB
dB
dB
%
%
%
%