
2
510 - 78 - 06
27
1
2
3
4
5
6
7
8
9
10
11
12
14
26
25
24
23
22
21
20
19
18
17
16
15
GP520A
GND
I
HP
I
LP
I
REF
A
OUT
I
REL
I
THRESH
I
GAIN
I
CLIP
I
BIAS
D
OUT
P
GND
13
D
IN
C
OUT
V
CC
B
OUT
B
IN
DELTA OUT
C
AGC
RECT.IN
BUFFER OUT
BUFFER IN
LPFB
HP
HPFB
V
REG
A
IN
30
29
28
TEL-C
TEL-B
31
C
COMP
C
CLIP
ELECTRICAL CHARACTERISTICS
All parameters are measured at T
= 25
o
C
All gains are calculated from equation G = 20 LOG (
OUT/
IN) where
OUT and
IN are appropriate voltage or current increases.
All resistances are calculated according to equation R = (V
- V
) / I
COND
where V
is voltage on the pad loaded with I
COND
current.
V
Q
- quiescent (unbias) voltage measured on the pad, (nothing connected to the pin).
V
is the actual voltage measured on the pad at given condition (where P is pad number).
For all graphs I
REF
is measured with 0.5V biased voltage on pin 16.
GENERAL
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Amplifier Current
I
AMP
All PCS set to 15
-
600
-
μ
A
Minimum Voltage
V
CC
1.1
-
-
V
Regulator Voltage (Pad 13)
V
REG
I
SC
-
0.98
-
V
Short Circuit Current (Pad 13)
S1 — closed
-
2.0
-
mA
Current Reference (Pad 16)
I
R
-
2.5
-
μ
A
Quiescent Voltage on Pad 14
V
Q14
600
-
-
mV
Quiescent Voltage on Pad 15
V
Q15
600
-
-
mV
Input Resistance (Pad 14)
R
IN 14
I
14
=
0.3
μ
A
(S2 closed)(
Note 1
)
-
100
-
k
Output Swing High (Pad 15)
V
OH
V
14
=
0.8V
(S3 closed)(
Note 1
)
200
-
-
mV
Output Swing Low (Pad 15)
V
OL
V
1
=
0.4V (S3 closed)
-200
-
-
mV
Max Source Current (Pad 15)
I
V
14
=
0.8V (S3, S4 closed)
V
15
=
V
Q15
+100mV
30
-
-
μ
A
Max Sinking Current (Pad 15)
I
V
14
=
0.4V (S3,S4 closed)
V
15
=
V
Q15
-100mV
30
-
-
μ
A
Preamp Voltage Gain
GAIN V
14
=
V
Q14
±
10mV (S3 closed)
-
14
-
dB
NOTE: 1.
V
OL
= V
OH
= V
P15
– V
Q15
All switches remain OPEN unless otherwise stated in CONDITIONS column.
PARAMETER
VALUE / UNITS
Supply Voltage 5 V
Pad 3, 8, 10, 11, 13, 17 -0.1 V to V
CC
+ 0.1 V
Pad 1, 15, 16, 18, 19, 22, 24, 26
-0.1 V to V
REG
+ 0.1 V
-0.1 V to 0.7 V
Pad 4, 5, 7, 14, 20, 21, 23, 25, 27
Pad 2 V
REG
-0.7 V to V
REG
+ 0.1 V
ABSOLUTE MAXIMUM RATINGS
CURRENT REFERENCE
REGULATOR TESTS
PREAMPLIFIER
CAUTION
CLASS 1 ESD SENSITIVITY
CHIP PAD DIAGRAM