1512P08-U THAT Corporation, 1512P08-U Datasheet - Page 7

• Manufacturer Part Number: 1512P08-U
• Description: Audio Amplifiers High-Perform. Audio Preamp 0dB DIP-8
• Manufacturer: THAT Corporation

Specifications of 1512P08-U

• Product: General Purpose Audio Amplifiers
• Available Set Gain: 0 dB to 70 dB
• Common Mode Rejection Ratio (min): 60 dB
• Thd Plus Noise: 0.001 %
• Operating Supply Voltage: +/- 5 V to +/- 20 V
• Supply Current: 6 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Audio Load Resistance: 2 KOhms
• Input Bias Current (max): 14 uA
• Input Offset Voltage: +/- 13 V
• Input Signal Type: Differential
• Minimum Operating Temperature: - 40 C
• Output Signal Type: Differential
• Supply Voltage (max): +/- 20 V
• Supply Voltage (min): +/- 5 V
• Output Type: Differential
• Package / Case: PDIP-8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

THAT 1510/1512 Low-Noise
High Performance Audio Preamplifier
impedance (as "seen looking in" from the coupling
capacitors) to the value of R
mately 45 kΩ with the values shown. The increased
common mode impedance from T-bias improves LF
common mode rejection by reducing capacitor
matching requirements by more than a factor of ten
over the simpler circuit wherein R
works well with the values shown.
impedance of the circuit is dominated by the
phantom-power resistors (R
of Figure 5, this is approximately 5.9 kΩ per leg.
receiver by adding attenuation to the preamplifier
inputs and changing the circuit topology to allow
-In
+In
Note also that the overall common-mode input
The 1510/1512 can be used as a line input
6k8
470p
C2
47p
470p
R6
C1
C3
6k8
R5
22u
22u
C5
C4
Tel: [phone]; Fax: [phone]; Web: www.thatcorp.com
THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA
ON
5
Figure 5. Recommended 1510 / 1512 Circuit with Phantom Power
and R
1
1N4004GP
1N4004GP
R4
R3
10
10
+ (2*R
+48V
7
=0 Ω. The circuit
6
). For the circuit
D3
D4
7
Copyright © 2009, THAT Corporation
) -- approxi-
+15
-15
1N4004GP
1N4004GP
D1
D2
Page 7 of 8
switching of input, fixed attenuation, and gain adjust-
ment. The optimum circuit depends on the specific
requirements of the application. For more details
and specific applications advice, please consult
THAT's
engineers at the address and telephone below or via
email at [e-mail].
Reference Terminal
signal, and is normally connected to analog ground.
If necessary, the "Ref" pin can be used for offset
correction or DC level shifting. However, in order to
prevent spoiling the excellent common-mode rejec-
tion of the 1510/1512, the source impedance driving
the “Ref” pin should be under 1Ω.
22k
R7
The "Ref" pin provides a reference for the output
1k2
R1
1k2
R2
1N4148
application
1N4148
D6
D5
RG
CG
notes,
-In
RG1
RG2
+In
Document 600031 Rev 07
-15
V-
or
+15
V+
100n
Ref
C9
our
100n
C6
Out
THAT
1510/1512
U1
applications
Out