LTC6900CS5#TRMPBF Linear Technology, LTC6900CS5#TRMPBF Datasheet - Page 11

• Manufacturer Part Number: LTC6900CS5#TRMPBF
• Description: IC OSC PREC 1KHZ-20MHZ TSOT23-5
• Manufacturer: Linear Technology
• Type: Oscillator, Siliconr

Specifications of LTC6900CS5#TRMPBF

• Frequency: 20MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Current - Supply: 920µA
• Operating Temperature: -40°C ~ 85°C
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Count: -
• Other names: LTC6900CS5#TRMPBFTR

PACKAGE DESCRIPTION
Example 3:
V
V
R
Maximum modulation bandwidth is the lesser of 25kHz
or f
Maximum V
Example 4:
V
V
R
APPLICATIONS INFORMATION
+
IN(MAX)
+
IN(MAX)
IN/
IN/
= 3V, f
= 3V, f
OSC(MIN)
R
R
SET
SET
= 2.5V, V
= 2.5V, V
OSC(MAX)
OSC(MAX)
= 8.5, R
= 3.1, R
/20 (4MHz/20 = 200kHz)
0.20 BSC
IN
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. JEDEC PACKAGE REFERENCE IS MO-193
modulation frequency = 25kHz
3.85 MAX
DATUM ‘A’
SET
SET
IN(MIN)
IN(MIN)
= 5MHz, f
= 400kHz, f
= 43.2k, R
= 59k, R
2.62 REF
= 0.5V
= 0.5V
RECOMMENDED SOLDER PAD LAYOUT
OSC(MIN)
0.62
MAX
IN
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
0.30 – 0.50 REF
OSC(MIN)
PER IPC CALCULATOR
IN
= 182k
= 365k
= 4MHz, N = 1
0.95
REF
= 200kHz, N = 10
1.22 REF
(Reference LTC DWG # 05-08-1635)
1.4 MIN
0.09 – 0.20
(NOTE 3)
5-Lead Plastic TSOT-23
2.80 BSC
S5 Package
1.00 MAX
1.50 – 1.75
Maximum modulation bandwidth is the lesser of 25kHz or
f
Maximum V
Table 2. Variation of V
R
20k
40k
80k
160k
320k
V
Note: All of the calculations above assume V
≈ 1.1V. For completeness, Table 2 shows the variation of VRES against
various parallel combinations of R
with V
then recalculate the resistor values using the new value for V
(NOTE 4)
OSC(MIN)
RES
IN
0.80 – 0.90
PIN ONE
|| R
= Voltage across R
RES
SET
0.95 BSC
≈ 1.1V, then use Table 2 to get a better approximation of V
(V
/20 calculated at N =1 (2MHz/20 = 100kHz)
IN
IN
= V
modulation frequency = 25kHz
+
)
SET
2.90 BSC
(NOTE 4)
1.90 BSC
RES
for Various Values of R
V
0.98V
1.03V
1.07V
1.1V
1.12V
RES
IN
, V
and R
+
S5 TSOT-23 0302 REV B
= 3V
SET
RES
(V
0.30 – 0.45 TYP
5 PLCS (NOTE 3)
0.01 – 0.10
= 1.1V, although V
IN
= V
LTC6900
V
1.03V
1.08V
1.12V
1.15V
1.17V
+
RES
). Calulate fi rst
IN
, V
|| R
RES
+
= 5V
SET
.
11
RES
RES
6900fa
,